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kyber - #408

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shunkakinoki merged 42 commits into
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kyber
Dec 13, 2025
Merged

kyber#408
shunkakinoki merged 42 commits into
mainfrom
kyber

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@shunkakinoki

@shunkakinoki shunkakinoki commented Dec 12, 2025

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  • feat(fish): update _kyber_function to use Tailscale for SSH access
  • feat(nix): update installation instructions to use Determinate Nix
  • fix(flake.lock): update NUR lock details for consistency
  • feat(settings): enhance security by adding read/write deny rules for sensitive files
  • fix(config): update ampcode management restriction to allow remote access
  • fix(config): restrict remote management access and enforce localhost-only settings
  • feat(config): inject CLIPROXY_MANAGEMENT_PASSWORD into config and update example env
  • feat(fish): add _kybers_function for SSH to Kyber server via Tailscale
  • fix(Makefile): add launchctl to switch target for Nix configuration application
  • fix(flake.lock): update locked versions and hashes for dependencies
  • fix(start.sh): export MANAGEMENT_PASSWORD for Management API
  • feat(settings): add dangerouslySkipPermissions flag to model configuration
  • fix(settings): replace dangerouslySkipPermissions with disableBypassPermissionsMode
  • fix(settings): add defaultMode to bypassPermissions in model configuration
  • fix(settings): remove disableBypassPermissionsMode and clean up settings.json
  • fix(settings): update cleanupPeriodDays to 300 in settings.json
  • fix(settings): revert cleanupPeriodDays to -1 in settings.json
  • fix(settings): update cleanupPeriodDays to 99999 in settings.json
  • feat(security): add security.sh script to block dangerous Bash commands
  • fix(pushover): skip notifications for "other" session end reason
  • feat(tests): add ShellSpec tests and integrate into CI workflow
  • feat(ci): streamline Shell workflow and add Nix dev shell testing
  • feat(devenv): add ShellSpec to development environment packages
  • feat(ci): add ShellCheck to CI workflow and development environment
  • feat(scripts): add shellcheck directives to notify and install scripts
  • feat(tests): add ShellCheck directive to pushover_spec.sh
  • feat(tests): add ShellCheck directive to security_spec.sh
  • feat(scripts): add ShellCheck directive to security.sh and sync.sh

Summary by cubic

Switch Kyber SSH to Tailscale, lock down management access, and add a Bash security hook for Claude Code. Also introduce ShellSpec/ShellCheck in CI and switch Nix installation to Determinate Nix.

  • Security

    • Add security.sh as a PreToolUse hook to block dangerous Bash commands in Claude Code.
    • Add read/write deny rules for secrets and sensitive files in settings.json.
    • Restrict CLIProxy management to localhost and require a management password via CLIPROXY_MANAGEMENT_PASSWORD (.env.example updated; start.sh exports MANAGEMENT_PASSWORD; config template injects the secret).
    • Skip Pushover notifications for the "other" session end reason.
  • New Features

    • Use Tailscale for Kyber SSH (_kyber_function) and add _kybers_function with zellij.
    • Add ShellSpec tests and ShellCheck; run via CI workflow and Makefile targets; include in Nix dev shell.
    • Switch installer to Determinate Nix and update docs; Makefile switch now restarts launchd agents.
    • Refresh flake.lock pins for nixpkgs and NUR.

Written for commit 5ec2977. Summary will update automatically on new commits.

Copilot AI review requested due to automatic review settings December 12, 2025 21:06
@mesa-dot-dev

mesa-dot-dev Bot commented Dec 12, 2025

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Mesa Description

TL;DR

Switched Kyber SSH to Tailscale, locked down management access, added a Bash security hook for Claude Code, introduced ShellSpec/ShellCheck in CI, and updated Nix installation to Determinate Nix.

What changed?

  • Security Enhancements:
    • Added config/claude/security.sh as a PreToolUse hook to block dangerous Bash commands based on deny patterns defined in config/claude/settings.json.
    • Implemented read/write deny rules for secrets and sensitive files in config/claude/settings.json.
    • Restricted cliproxyapi management to localhost and enforced a management password via CLIPROXY_MANAGEMENT_PASSWORD (added to .env.example and exported by home-manager/services/cliproxyapi/start.sh).
    • Filtered out noisy 'SessionEnd' Pushover notifications for the 'other' reason in config/claude/pushover.sh.
  • Kyber SSH and Fish Shell Updates:
    • Updated home-manager/programs/fish/functions/_kyber_function.fish to use tailscale ssh ubuntu@kyber for simplified SSH access.
    • Added a new fish function, home-manager/programs/fish/functions/_kybers_function.fish, for SSH to Kyber server via Tailscale with Zellij sessions.
    • Integrated the new _kybers_function and its alias into home-manager/programs/fish/default.nix.
  • Nix and Development Environment Improvements:
    • Switched the recommended Nix installation method to Determinate Nix in README-nix.md, install.sh, and named-hosts/kyber/README.md.
    • Refreshed flake.lock pins for nixpkgs and NUR dependencies.
    • Updated Makefile to integrate launchctl into the switch target and to use the Determinate Nix installer.
  • CI/CD and Testing Infrastructure:
    • Introduced a new GitHub Actions workflow (.github/workflows/shell.yml) to run ShellSpec tests and ShellCheck static analysis on shell scripts.
    • Added shellcheck and shellspec to the development environment (devenv.nix) and home-manager packages (home-manager/packages/default.nix).
    • Updated Makefile with dedicated targets for running shell-test and shell-check.
    • Added shellcheck directives to various scripts including config/claude/notify.sh, home-manager/services/code-syncer/sync.sh, install.sh, spec/pushover_spec.sh, and spec/security_spec.sh.
    • Added a comprehensive ShellSpec test suite for notify.sh (spec/notify_spec.sh), pushover.sh (spec/pushover_spec.sh), and security.sh (spec/security_spec.sh), along with spec/spec_helper.sh and spec/support/custom_matcher.sh.
    • Configured ShellSpec with the .shellspec file.
    • Introduced a Nix overlay in overlays/default.nix to fix the shellspec package wrapper script.

Description generated by Mesa. Update settings

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Code Review

This is an excellent pull request that brings substantial improvements to security, maintainability, and testing. The switch to Tailscale for SSH access is a major security win. Hardening the cliproxyapi and adding the security.sh hook to block dangerous commands are great security enhancements. The introduction of ShellSpec and ShellCheck, along with their integration into the CI workflow, will significantly improve the quality and reliability of the shell scripts. My review includes a few suggestions for improving script robustness and efficiency.

Comment thread Makefile
.PHONY: shell-check
shell-check: ## Run ShellCheck on shell scripts.
@echo "🔍 Running ShellCheck..."
@find . -name '*.sh' -not -path './node_modules/*' -not -path './.git/*' -not -path './result/*' | xargs shellcheck

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medium

Using find ... | xargs can be problematic if filenames contain spaces or special characters. While less likely for shell scripts, it's more robust to use find -exec which handles all filenames correctly.

	@find . -name '*.sh' -not -path './node_modules/*' -not -path './.git/*' -not -path './result/*' -exec shellcheck {} +

Comment thread config/claude/security.sh Outdated
Comment on lines +14 to +22
input=$(cat)

# Extract tool name - only process Bash commands
tool_name=$(echo "$input" | jq -r '.tool.name // empty' 2>/dev/null)
[[ "$tool_name" != "Bash" ]] && exit 0

# Extract the command to be executed
command=$(echo "$input" | jq -r '.tool.input.command // empty' 2>/dev/null)
[[ -z "$command" ]] && exit 0

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medium

This section reads the entire standard input into a variable and then invokes jq twice on it. This is inefficient as it parses the same JSON multiple times. You can optimize this by parsing the required fields in a single pass directly from stdin.

Suggested change
input=$(cat)
# Extract tool name - only process Bash commands
tool_name=$(echo "$input" | jq -r '.tool.name // empty' 2>/dev/null)
[[ "$tool_name" != "Bash" ]] && exit 0
# Extract the command to be executed
command=$(echo "$input" | jq -r '.tool.input.command // empty' 2>/dev/null)
[[ -z "$command" ]] && exit 0
mapfile -t fields < <(jq -r '[.tool.name // "", .tool.input.command // ""] | .[]' 2>/dev/null)
tool_name="${fields[0]}"
command="${fields[1]}"
# Only process Bash commands with a non-empty command
[[ "$tool_name" != "Bash" ]] && exit 0
[[ -z "$command" ]] && exit 0

Comment thread config/claude/security.sh

for segment in "${segments[@]}"; do
# Trim leading/trailing whitespace
segment=$(echo "$segment" | xargs 2>/dev/null) || continue

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medium

Using echo ... | xargs to trim whitespace is a classic trick, but it's not very efficient as it involves a subshell and an external command. A more modern and efficient Bash-native approach is to use read with a here-string, which avoids creating a subshell.

Suggested change
segment=$(echo "$segment" | xargs 2>/dev/null) || continue
read -r segment <<< "$segment"

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5 issues found across 26 files

Prompt for AI agents (all 5 issues)

Check if these issues are valid — if so, understand the root cause of each and fix them.


<file name="install.sh">

<violation number="1" location="install.sh:45">
P2: Missing `--no-confirm` flag for macOS installation. The Docker installation includes this flag for non-interactive use, but the macOS installation (which the comment indicates runs in CI) doesn&#39;t. This will cause the installer to hang waiting for user input in automated environments.</violation>

<violation number="2" location="install.sh:67">
P2: Missing `--no-confirm` flag for Linux multi-user installation. The Docker installation includes this flag for non-interactive use, but the Linux multi-user installation doesn&#39;t. This will cause the installer to hang waiting for user input in automated environments.</violation>
</file>

<file name="home-manager/services/cliproxyapi/start.sh">

<violation number="1" location="home-manager/services/cliproxyapi/start.sh:24">
P2: Password variable may break sed if it contains special characters (`|`, `&amp;`, `\`). Consider escaping the variable or using `envsubst` for safer template substitution.</violation>
</file>

<file name="config/claude/security.sh">

<violation number="1" location="config/claude/security.sh:57">
P1: Security bypass: Command substitution (`$(...)` and backticks) is not handled. A malicious command like `echo $(rm -rf /)` bypasses detection since the entire string is treated as one segment starting with `echo`, not `rm`. Consider parsing nested commands or documenting this limitation.</violation>

<violation number="2" location="config/claude/security.sh:61">
P2: `xargs` for trimming whitespace can interpret quotes and backslashes, potentially transforming the command before the security check. Consider using `sed &#39;s/^[[:space:]]*//;s/[[:space:]]*$//&#39;` or bash parameter expansion instead.</violation>
</file>

Reply to cubic to teach it or ask questions. Re-run a review with @cubic-dev-ai review this PR

Comment thread install.sh
echo "Performing multi-user Nix installation..."
curl -L https://nixos.org/nix/install | bash -s -- --daemon
echo "Performing Determinate Nix multi-user installation..."
curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install linux

@cubic-dev-ai cubic-dev-ai Bot Dec 12, 2025

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P2: Missing --no-confirm flag for Linux multi-user installation. The Docker installation includes this flag for non-interactive use, but the Linux multi-user installation doesn't. This will cause the installer to hang waiting for user input in automated environments.

Prompt for AI agents
Check if this issue is valid — if so, understand the root cause and fix it. At install.sh, line 67:

<comment>Missing `--no-confirm` flag for Linux multi-user installation. The Docker installation includes this flag for non-interactive use, but the Linux multi-user installation doesn&#39;t. This will cause the installer to hang waiting for user input in automated environments.</comment>

<file context>
@@ -42,29 +42,31 @@ fi
-      echo &quot;Performing multi-user Nix installation...&quot;
-      curl -L https://nixos.org/nix/install | bash -s -- --daemon
+      echo &quot;Performing Determinate Nix multi-user installation...&quot;
+      curl --proto &#39;=https&#39; --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install linux
       # For Linux multi-user installations, add the default Nix path for the current shell.
-      export PATH=/nix/var/nix/profiles/default/bin:$PATH
</file context>
Suggested change
curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install linux
curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install linux --no-confirm
Fix with Cubic

Comment thread install.sh
echo "Installing Nix..."
if [ "$OS" = "macos" ]; then
curl -L https://nixos.org/nix/install | bash
curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install

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P2: Missing --no-confirm flag for macOS installation. The Docker installation includes this flag for non-interactive use, but the macOS installation (which the comment indicates runs in CI) doesn't. This will cause the installer to hang waiting for user input in automated environments.

Prompt for AI agents
Check if this issue is valid — if so, understand the root cause and fix it. At install.sh, line 45:

<comment>Missing `--no-confirm` flag for macOS installation. The Docker installation includes this flag for non-interactive use, but the macOS installation (which the comment indicates runs in CI) doesn&#39;t. This will cause the installer to hang waiting for user input in automated environments.</comment>

<file context>
@@ -42,29 +42,31 @@ fi
   echo &quot;Installing Nix...&quot;
   if [ &quot;$OS&quot; = &quot;macos&quot; ]; then
-    curl -L https://nixos.org/nix/install | bash
+    curl --proto &#39;=https&#39; --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install
     # For macOS, source the Nix profile immediately to update PATH in CI.
+    # shellcheck source=/dev/null
</file context>
Suggested change
curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install
curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install --no-confirm
Fix with Cubic

if [ -f "$TEMPLATE" ]; then
sed "s|__OPENROUTER_API_KEY__|${OPENROUTER_API_KEY:-}|g" "$TEMPLATE" >"$CONFIG"
sed -e "s|__OPENROUTER_API_KEY__|${OPENROUTER_API_KEY:-}|g" \
-e "s|__CLIPROXY_MANAGEMENT_PASSWORD__|${CLIPROXY_MANAGEMENT_PASSWORD:-}|g" \

@cubic-dev-ai cubic-dev-ai Bot Dec 12, 2025

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P2: Password variable may break sed if it contains special characters (|, &, \). Consider escaping the variable or using envsubst for safer template substitution.

Prompt for AI agents
Check if this issue is valid — if so, understand the root cause and fix it. At home-manager/services/cliproxyapi/start.sh, line 24:

<comment>Password variable may break sed if it contains special characters (`|`, `&amp;`, `\`). Consider escaping the variable or using `envsubst` for safer template substitution.</comment>

<file context>
@@ -15,9 +15,14 @@ if [ -f &quot;$ENV_FILE&quot; ]; then
 if [ -f &quot;$TEMPLATE&quot; ]; then
-  sed &quot;s|__OPENROUTER_API_KEY__|${OPENROUTER_API_KEY:-}|g&quot; &quot;$TEMPLATE&quot; &gt;&quot;$CONFIG&quot;
+  sed -e &quot;s|__OPENROUTER_API_KEY__|${OPENROUTER_API_KEY:-}|g&quot; \
+      -e &quot;s|__CLIPROXY_MANAGEMENT_PASSWORD__|${CLIPROXY_MANAGEMENT_PASSWORD:-}|g&quot; \
+      &quot;$TEMPLATE&quot; &gt;&quot;$CONFIG&quot;
 fi
</file context>
Fix with Cubic

Comment thread config/claude/security.sh

for segment in "${segments[@]}"; do
# Trim leading/trailing whitespace
segment=$(echo "$segment" | xargs 2>/dev/null) || continue

@cubic-dev-ai cubic-dev-ai Bot Dec 12, 2025

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P2: xargs for trimming whitespace can interpret quotes and backslashes, potentially transforming the command before the security check. Consider using sed 's/^[[:space:]]*//;s/[[:space:]]*$//' or bash parameter expansion instead.

Prompt for AI agents
Check if this issue is valid — if so, understand the root cause and fix it. At config/claude/security.sh, line 61:

<comment>`xargs` for trimming whitespace can interpret quotes and backslashes, potentially transforming the command before the security check. Consider using `sed &#39;s/^[[:space:]]*//;s/[[:space:]]*$//&#39;` or bash parameter expansion instead.</comment>

<file context>
@@ -0,0 +1,73 @@
+
+for segment in &quot;${segments[@]}&quot;; do
+  # Trim leading/trailing whitespace
+  segment=$(echo &quot;$segment&quot; | xargs 2&gt;/dev/null) || continue
+  [[ -z &quot;$segment&quot; ]] &amp;&amp; continue
+
</file context>
Fix with Cubic

Comment thread config/claude/security.sh
# Split command at logical operators to catch hidden dangerous commands
# This handles: cmd1 ; cmd2, cmd1 && cmd2, cmd1 || cmd2, cmd1 | cmd2
# shellcheck disable=SC2001
IFS=$'\n' read -r -d '' -a segments < <(echo "$command" | sed 's/[;&|]\+/\n/g' && printf '\0') || true

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P1: Security bypass: Command substitution ($(...) and backticks) is not handled. A malicious command like echo $(rm -rf /) bypasses detection since the entire string is treated as one segment starting with echo, not rm. Consider parsing nested commands or documenting this limitation.

Prompt for AI agents
Check if this issue is valid — if so, understand the root cause and fix it. At config/claude/security.sh, line 57:

<comment>Security bypass: Command substitution (`$(...)` and backticks) is not handled. A malicious command like `echo $(rm -rf /)` bypasses detection since the entire string is treated as one segment starting with `echo`, not `rm`. Consider parsing nested commands or documenting this limitation.</comment>

<file context>
@@ -0,0 +1,73 @@
+# Split command at logical operators to catch hidden dangerous commands
+# This handles: cmd1 ; cmd2, cmd1 &amp;&amp; cmd2, cmd1 || cmd2, cmd1 | cmd2
+# shellcheck disable=SC2001
+IFS=$&#39;\n&#39; read -r -d &#39;&#39; -a segments &lt; &lt;(echo &quot;$command&quot; | sed &#39;s/[;&amp;|]\+/\n/g&#39; &amp;&amp; printf &#39;\0&#39;) || true
+
+for segment in &quot;${segments[@]}&quot;; do
</file context>
Fix with Cubic

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Comment thread Makefile
Comment on lines 137 to +138
.PHONY: switch
switch: nix-switch ## Apply Nix configuration and restart launchd agents.
switch: nix-switch launchctl ## Apply Nix configuration and restart launchd agents.

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P1 Badge switch target now fails on non-macOS hosts

The switch target now depends on launchctl (lines 137‑138), but the launchctl target further down the Makefile unconditionally runs the macOS launchctl kickstart … commands. On Linux or CI runners, make switch (and any target that invokes it, e.g., make install/update) will now abort with launchctl: command not found, whereas previously it succeeded because switch only ran nix-switch. This makes the standard configuration apply workflow unusable off macOS.

Useful? React with 👍 / 👎.

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Actionable comments posted: 10

Caution

Some comments are outside the diff and can’t be posted inline due to platform limitations.

⚠️ Outside diff range comments (2)
Makefile (1)

96-106: Consider adding all and clean targets to satisfy checkmake (or adjust the rule).

Static analysis flagged missing required phony targets. Low cost to add:

+.PHONY: all
+all: help ## Default build target.
+
+.PHONY: clean
+clean: ## Clean generated artifacts.
+	@rm -f vm_commands.txt
named-hosts/kyber/README.md (1)

15-24: Doc will break on Ubuntu if make switch runs launchctl (align with Makefile behavior).

Either fix switch to be OS-conditional (preferred) or update Kyber docs to use nix-switch:

-# 4. Apply configuration
-make switch
+# 4. Apply configuration
+make nix-switch
🧹 Nitpick comments (8)
home-manager/programs/fish/functions/_kyber_function.fish (1)

1-3: Optional: add a tiny guard / friendlier failure when tailscale isn’t available.
Right now this will just error if tailscale isn’t installed or not logged in; consider an early check (e.g., type -q tailscale; or begin; echo "tailscale not found"; return 127; end) if you want a cleaner UX.

home-manager/services/code-syncer/sync.sh (1)

1-2: Avoid global ShellCheck suppression; fix or scope the underlying warnings.
Line 2 disables several rules for the whole script, which can mask real issues. Prefer: (a) fix patterns (e.g., local x; x="$(...)", if ! cmd; then ..., read -r) and (b) if still needed, disable per-line. Based on learnings/coding guidelines.

config/claude/default.nix (1)

16-20: Good addition; consider consistent ordering of home.file entries
Adding .claude/security.sh as an executable is correct for the new PreToolUse hook. Optionally reorder/group home.file keys (e.g., alphabetical) to match the repo’s Nix style guidelines.

config/claude/pushover.sh (1)

114-123: Skipping SessionEnd.reason == "other" reduces notification noise (good)
Minor robustness thought: if non-SessionEnd payloads can also include a reason key, consider additionally gating on an explicit event field (e.g., hook_event_name == "SessionEnd") when available.

spec/pushover_spec.sh (2)

17-38: mock_curl is currently unused; stub curl via PATH (or delete the mock)
As written, mock_curl() won’t affect bash "$SCRIPT" (separate process), so the test doesn’t actually verify “notification attempted”. Either remove the dead mock or replace it with a PATH-based stub and assert it was invoked for the "user_exit" case.

 Describe 'SessionEnd hook'
   setup() {
     export PUSHOVER_API_TOKEN="test_token"
     export PUSHOVER_USER_KEY="test_user"
+    STUB_BIN="$(mktemp -d)"
+    export PATH="$STUB_BIN:$PATH"
+    cat >"$STUB_BIN/curl" <<'EOF'
+#!/usr/bin/env bash
+echo "CURL_CALLED"
+EOF
+    chmod +x "$STUB_BIN/curl"
   }
   Before 'setup'
 
-  mock_curl() {
-    echo "CURL_CALLED"
-  }
-
   It 'skips notification for "other" reason'
     When run bash "$SCRIPT" <<< '{"reason": "other"}'
     The status should be success
     The output should eq ''
   End
 
   It 'processes notification for "user_exit" reason'
     When run bash "$SCRIPT" <<< '{"reason": "user_exit"}'
     The status should be success
+    The output should eq 'CURL_CALLED'
   End
 End

40-57: Same note for Notification tests: assert “sent” vs “skipped” via a stub
Right now these only assert exit status; consider also asserting the curl stub was (not) called for each scenario.

spec/notify_spec.sh (1)

21-51: LGTM as status-only smoke tests
If notify.sh is expected to emit output or touch a file/command in these cases, consider asserting that side effect (otherwise this is fine as a regression guard for “must not fail”).

spec/security_spec.sh (1)

7-32: Good isolated HOME-based fixture; tighten execution to avoid bash -c quoting pitfalls
Using bash -c "HOME='...'" is avoidable here; prefer env HOME="$TEMP_HOME" bash "$SCRIPT" for safer quoting.

-      When run bash -c "HOME='$TEMP_HOME' bash '$SCRIPT'"
+      When run env HOME="$TEMP_HOME" bash "$SCRIPT"
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⛔ Files ignored due to path filters (1)
  • flake.lock is excluded by !**/*.lock
📒 Files selected for processing (25)
  • .env.example (1 hunks)
  • .github/workflows/shell.yml (1 hunks)
  • .shellspec (1 hunks)
  • Makefile (3 hunks)
  • README-nix.md (1 hunks)
  • config/claude/default.nix (1 hunks)
  • config/claude/notify.sh (1 hunks)
  • config/claude/pushover.sh (2 hunks)
  • config/claude/security.sh (1 hunks)
  • config/claude/settings.json (4 hunks)
  • config/cliproxyapi/config.yaml (1 hunks)
  • devenv.nix (1 hunks)
  • home-manager/packages/default.nix (1 hunks)
  • home-manager/programs/fish/default.nix (2 hunks)
  • home-manager/programs/fish/functions/_kyber_function.fish (1 hunks)
  • home-manager/programs/fish/functions/_kybers_function.fish (1 hunks)
  • home-manager/services/cliproxyapi/start.sh (1 hunks)
  • home-manager/services/code-syncer/sync.sh (1 hunks)
  • install.sh (1 hunks)
  • named-hosts/kyber/README.md (1 hunks)
  • spec/notify_spec.sh (1 hunks)
  • spec/pushover_spec.sh (1 hunks)
  • spec/security_spec.sh (1 hunks)
  • spec/spec_helper.sh (1 hunks)
  • spec/support/custom_matcher.sh (1 hunks)
🧰 Additional context used
📓 Path-based instructions (15)
**/*.{json,yaml,yml,toml}

📄 CodeRabbit inference engine (.cursor/rules/formatting.mdc)

**/*.{json,yaml,yml,toml}: Use consistent indentation (2 spaces) in configuration files
Sort keys alphabetically when possible in configuration files
Use clear, descriptive names in configuration files

Files:

  • config/cliproxyapi/config.yaml
  • config/claude/settings.json
**/*.{yaml,yml,toml}

📄 CodeRabbit inference engine (.cursor/rules/formatting.mdc)

Add comments for complex configurations

Files:

  • config/cliproxyapi/config.yaml
**/*.{sh,bash}

📄 CodeRabbit inference engine (CLAUDE.md)

Use shfmt with 2-space indentation for shell scripts

**/*.{sh,bash}: Use 2 spaces for indentation in shell scripts
Add proper shebang lines to shell scripts
Follow shellcheck recommendations in shell scripts
Document complex commands in shell scripts
Use consistent variable naming in shell scripts

Files:

  • spec/spec_helper.sh
  • spec/notify_spec.sh
  • config/claude/security.sh
  • home-manager/services/code-syncer/sync.sh
  • spec/support/custom_matcher.sh
  • config/claude/notify.sh
  • spec/pushover_spec.sh
  • spec/security_spec.sh
  • install.sh
  • home-manager/services/cliproxyapi/start.sh
  • config/claude/pushover.sh
**/*.nix

📄 CodeRabbit inference engine (CLAUDE.md)

**/*.nix: Use nixfmt for formatting all Nix files
Document complex configurations with comments in Nix files

**/*.nix: Use 2 spaces for indentation in Nix files
Keep line length under 100 characters in Nix files
Sort attribute sets alphabetically in Nix files
Use consistent spacing around operators in Nix files
Format lists and sets consistently in Nix files

Use treefmt.toml for formatting Nix files

**/*.nix: Use mkOption for configurable options in Nix modules
Implement proper typing for all options in Nix modules
Follow the Nix expression language style guide

Files:

  • home-manager/programs/fish/default.nix
  • config/claude/default.nix
  • devenv.nix
  • home-manager/packages/default.nix
**/default.nix

📄 CodeRabbit inference engine (CLAUDE.md)

Use default.nix files for module exports

Files:

  • home-manager/programs/fish/default.nix
  • config/claude/default.nix
  • home-manager/packages/default.nix
home-manager/programs/*/default.nix

📄 CodeRabbit inference engine (.cursor/rules/home-manager.mdc)

Program configurations should be located in home-manager/programs/<name>/ and use home-manager's built-in modules when available

Files:

  • home-manager/programs/fish/default.nix
home-manager/programs/**/default.nix

📄 CodeRabbit inference engine (.cursor/rules/home-manager.mdc)

Program configurations must include all necessary dependencies in their configuration

Files:

  • home-manager/programs/fish/default.nix
home-manager/**/*.nix

📄 CodeRabbit inference engine (.cursor/rules/home-manager.mdc)

home-manager/**/*.nix: Use typed options whenever possible in Nix configurations
Document all configuration options in Nix modules and programs
Follow home-manager's module structure and keep configurations modular
Use proper indentation and formatting in Nix configuration files

Files:

  • home-manager/programs/fish/default.nix
  • home-manager/packages/default.nix
home-manager/programs/**/*.nix

📄 CodeRabbit inference engine (.cursor/rules/home-manager.mdc)

Follow program-specific best practices in program configuration files

Program configurations in home-manager/programs/ should be organized by program name, include all necessary dependencies, use home.packages for package installations, and use programs.<name> when available in home-manager

Files:

  • home-manager/programs/fish/default.nix
.github/workflows/*.{yml,yaml}

📄 CodeRabbit inference engine (.cursor/rules/general.mdc)

GitHub Actions workflows must be properly configured in .github/workflows/ directory

Files:

  • .github/workflows/shell.yml
.github/workflows/*.yml

📄 CodeRabbit inference engine (.cursor/rules/github-workflows.mdc)

.github/workflows/*.yml: CI Pipeline must run on all pull requests and main branch pushes, validating Nix flake checks, home-manager builds, nix-darwin builds, and system configurations
Run Biome for code formatting and validate Nix expressions, commit message format, and documentation updates in code quality checks
Use specific action versions (not @main or @master) in GitHub Actions workflows
Cache Nix store and build artifacts in GitHub Actions workflows to improve performance
Set appropriate timeout limits in GitHub Actions workflow jobs
Use concise job and step names in GitHub Actions workflows and add helpful annotations and comments
Use GITHUB_TOKEN when possible, secure sensitive data in repository secrets, and limit permissions to minimum required in GitHub Actions workflows
Review third-party actions before use in GitHub Actions workflows
Set appropriate failure conditions, add helpful error messages, configure notifications for failures, and archive build artifacts for debugging in GitHub Actions workflows

Files:

  • .github/workflows/shell.yml
{.github/workflows/*.yml,renovate.json}

📄 CodeRabbit inference engine (.cursor/rules/github-workflows.mdc)

Use Renovate for automated dependency updates, configure update schedule in renovate.json, group related updates together, and auto-merge minor and patch updates

Files:

  • .github/workflows/shell.yml
**/*.{js,jsx,ts,tsx,json,jsonc,md}

📄 CodeRabbit inference engine (.cursor/rules/general.mdc)

Use Biome for code formatting as configured in biome.json

Files:

  • named-hosts/kyber/README.md
  • README-nix.md
  • config/claude/settings.json
**/*.{js,ts,jsx,tsx,json}

📄 CodeRabbit inference engine (CLAUDE.md)

Use Biome with 2-space indentation, 80-character line width, double quotes, and trailing commas (ES5) for JSON/JavaScript/TypeScript files

Files:

  • config/claude/settings.json
**/*.{js,jsx,ts,tsx,json}

📄 CodeRabbit inference engine (.cursor/rules/formatting.mdc)

**/*.{js,jsx,ts,tsx,json}: Format JavaScript/TypeScript/JSON files using Biome with 2-space indentation and 80 character line width
Enable Biome linter with recommended rules for JavaScript/TypeScript/JSON files

Files:

  • config/claude/settings.json
🧠 Learnings (25)
📓 Common learnings
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/formatting.mdc:0-0
Timestamp: 2025-11-25T09:34:32.423Z
Learning: Applies to **/*.{sh,bash} : Follow shellcheck recommendations in shell scripts
📚 Learning: 2025-11-25T09:34:32.423Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/formatting.mdc:0-0
Timestamp: 2025-11-25T09:34:32.423Z
Learning: Applies to **/*.{sh,bash} : Follow shellcheck recommendations in shell scripts

Applied to files:

  • config/claude/security.sh
  • home-manager/services/code-syncer/sync.sh
  • config/claude/notify.sh
  • spec/security_spec.sh
  • Makefile
📚 Learning: 2025-11-25T09:34:55.014Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/home-manager.mdc:0-0
Timestamp: 2025-11-25T09:34:55.014Z
Learning: Applies to home-manager/programs/**/*.nix : Follow program-specific best practices in program configuration files

Applied to files:

  • config/claude/default.nix
  • README-nix.md
📚 Learning: 2025-11-25T09:34:32.423Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/formatting.mdc:0-0
Timestamp: 2025-11-25T09:34:32.423Z
Learning: Applies to **/*.{sh,bash} : Add proper shebang lines to shell scripts

Applied to files:

  • home-manager/services/code-syncer/sync.sh
📚 Learning: 2025-11-25T09:34:32.423Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/formatting.mdc:0-0
Timestamp: 2025-11-25T09:34:32.423Z
Learning: Applies to **/*.{sh,bash} : Use consistent variable naming in shell scripts

Applied to files:

  • home-manager/services/code-syncer/sync.sh
  • spec/support/custom_matcher.sh
📚 Learning: 2025-11-25T09:34:23.224Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-11-25T09:34:23.224Z
Learning: Applies to **/*.{sh,bash} : Use shfmt with 2-space indentation for shell scripts

Applied to files:

  • home-manager/services/code-syncer/sync.sh
📚 Learning: 2025-11-25T09:34:32.423Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/formatting.mdc:0-0
Timestamp: 2025-11-25T09:34:32.423Z
Learning: Applies to **/*.{sh,bash} : Document complex commands in shell scripts

Applied to files:

  • home-manager/services/code-syncer/sync.sh
  • spec/support/custom_matcher.sh
  • spec/security_spec.sh
📚 Learning: 2025-11-25T09:34:40.062Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/general.mdc:0-0
Timestamp: 2025-11-25T09:34:40.062Z
Learning: Document all major changes in Nix configurations

Applied to files:

  • home-manager/packages/default.nix
  • Makefile
  • install.sh
  • named-hosts/kyber/README.md
  • README-nix.md
📚 Learning: 2025-11-25T09:34:55.014Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/home-manager.mdc:0-0
Timestamp: 2025-11-25T09:34:55.014Z
Learning: Applies to home-manager/programs/**/default.nix : Program configurations must include all necessary dependencies in their configuration

Applied to files:

  • home-manager/packages/default.nix
📚 Learning: 2025-11-25T09:34:55.014Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/home-manager.mdc:0-0
Timestamp: 2025-11-25T09:34:55.014Z
Learning: Applies to home-manager/**/*.nix : Document all configuration options in Nix modules and programs

Applied to files:

  • home-manager/packages/default.nix
  • README-nix.md
📚 Learning: 2025-11-25T09:34:47.854Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/github-workflows.mdc:0-0
Timestamp: 2025-11-25T09:34:47.854Z
Learning: Applies to .github/workflows/*.yml : CI Pipeline must run on all pull requests and main branch pushes, validating Nix flake checks, home-manager builds, nix-darwin builds, and system configurations

Applied to files:

  • .github/workflows/shell.yml
  • Makefile
📚 Learning: 2025-11-25T09:34:47.854Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/github-workflows.mdc:0-0
Timestamp: 2025-11-25T09:34:47.854Z
Learning: Applies to .github/workflows/*.yml : Use concise job and step names in GitHub Actions workflows and add helpful annotations and comments

Applied to files:

  • .github/workflows/shell.yml
📚 Learning: 2025-11-25T09:34:47.854Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/github-workflows.mdc:0-0
Timestamp: 2025-11-25T09:34:47.854Z
Learning: Applies to .github/workflows/*.yml : Run Biome for code formatting and validate Nix expressions, commit message format, and documentation updates in code quality checks

Applied to files:

  • .github/workflows/shell.yml
  • Makefile
📚 Learning: 2025-11-25T09:34:47.854Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/github-workflows.mdc:0-0
Timestamp: 2025-11-25T09:34:47.854Z
Learning: Applies to .github/workflows/*.yml : Cache Nix store and build artifacts in GitHub Actions workflows to improve performance

Applied to files:

  • .github/workflows/shell.yml
📚 Learning: 2025-11-25T09:34:47.854Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/github-workflows.mdc:0-0
Timestamp: 2025-11-25T09:34:47.854Z
Learning: Applies to .github/workflows/*.yml : Set appropriate failure conditions, add helpful error messages, configure notifications for failures, and archive build artifacts for debugging in GitHub Actions workflows

Applied to files:

  • .github/workflows/shell.yml
📚 Learning: 2025-11-25T09:34:47.854Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/github-workflows.mdc:0-0
Timestamp: 2025-11-25T09:34:47.854Z
Learning: Applies to .github/workflows/*.yml : Set appropriate timeout limits in GitHub Actions workflow jobs

Applied to files:

  • .github/workflows/shell.yml
📚 Learning: 2025-11-25T09:34:47.854Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/github-workflows.mdc:0-0
Timestamp: 2025-11-25T09:34:47.854Z
Learning: Applies to .github/workflows/*.yml : Use specific action versions (not main or master) in GitHub Actions workflows

Applied to files:

  • .github/workflows/shell.yml
📚 Learning: 2025-11-25T09:34:40.062Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/general.mdc:0-0
Timestamp: 2025-11-25T09:34:40.062Z
Learning: Test Nix and home-manager configurations locally before pushing using `make test`

Applied to files:

  • Makefile
📚 Learning: 2025-11-25T09:35:01.066Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/nix.mdc:0-0
Timestamp: 2025-11-25T09:35:01.066Z
Learning: Test configurations before committing using `nix flake check` and `home-manager build --show-trace`

Applied to files:

  • Makefile
  • README-nix.md
📚 Learning: 2025-11-25T09:34:40.062Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/general.mdc:0-0
Timestamp: 2025-11-25T09:34:40.062Z
Learning: Applies to flake.nix : Maintain flake.nix as the main Nix configuration with proper structure

Applied to files:

  • Makefile
  • README-nix.md
📚 Learning: 2025-11-25T09:34:23.224Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-11-25T09:34:23.224Z
Learning: Applies to nix-darwin/**/*.nix : Use Homebrew only for macOS-specific applications

Applied to files:

  • Makefile
  • install.sh
📚 Learning: 2025-11-25T09:34:23.224Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-11-25T09:34:23.224Z
Learning: Prefer Nix packages over external package managers

Applied to files:

  • install.sh
  • README-nix.md
📚 Learning: 2025-11-25T09:35:01.066Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/nix.mdc:0-0
Timestamp: 2025-11-25T09:35:01.066Z
Learning: Applies to **/*.nix : Follow the Nix expression language style guide

Applied to files:

  • README-nix.md
📚 Learning: 2025-11-25T09:34:23.224Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-11-25T09:34:23.224Z
Learning: Applies to **/*.nix : Document complex configurations with comments in Nix files

Applied to files:

  • README-nix.md
📚 Learning: 2025-11-25T09:35:01.066Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/nix.mdc:0-0
Timestamp: 2025-11-25T09:35:01.066Z
Learning: Applies to flake.nix : Always pin package versions in `flake.lock`

Applied to files:

  • README-nix.md
🪛 checkmake (0.2.2)
Makefile

[warning] 645-645: Missing required phony target "all"

(minphony)


[warning] 645-645: Missing required phony target "clean"

(minphony)

🪛 dotenv-linter (4.0.0)
.env.example

[warning] 5-5: [UnorderedKey] The CLIPROXY_MANAGEMENT_PASSWORD key should go before the MY_SECRET key

(UnorderedKey)

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (15)
  • GitHub Check: cubic · AI code reviewer
  • GitHub Check: Agent
  • GitHub Check: nix-linux
  • GitHub Check: shellcheck
  • GitHub Check: docker-build-push (linux/amd64, amd64, ubuntu-latest)
  • GitHub Check: nix-darwin
  • GitHub Check: e2e-run (Ubuntu, ubuntu-latest)
  • GitHub Check: e2e-run (MacOS, macos-latest)
  • GitHub Check: e2e-run (NixOS, ubuntu-latest)
  • GitHub Check: nix-nixos
  • GitHub Check: docker-build-push (linux/arm64, arm64, ubuntu-24.04-arm)
  • GitHub Check: lua-hammerspoon
  • GitHub Check: lua-neovim
  • GitHub Check: lua-neovim-test
  • GitHub Check: shellspec
🔇 Additional comments (19)
home-manager/programs/fish/default.nix (1)

46-72: kybers abbreviation/function export wiring looks consistent (abbr + xdg.configFile export list updated together).
Only thing to double-check: the kybers name is close to kyber—if that’s intentional (plain SSH vs “SSH+zellij”), consider a short comment above the two abbrs to aid future-you.

Also applies to: 119-140

home-manager/programs/fish/functions/_kybers_function.fish (1)

1-3: Verify zellij attach -c behavior is what you want across machines (session selection / “create” semantics can be surprising). If you rely on a specific session, consider zellij attach <name> --create (or whatever your zellij version supports) to make it deterministic.

README-nix.md (1)

6-7: Doc update is clear and consistent with the new Determinate Nix flow.

config/claude/notify.sh (1)

10-13: Good, narrowly-scoped ShellCheck suppression for dynamic .env sourcing. Based on learnings.

home-manager/packages/default.nix (1)

63-66: Adding shellcheck and shellspec here makes sense for local parity with CI.

devenv.nix (1)

4-10: Good: dev shell now includes the same shell tooling CI expects.

.github/workflows/shell.yml (1)

1-48: The workflow already uses correct, current action versions. actions/checkout@v6 is the latest stable major version (v6.0.1 as of Dec 2025), and cachix/install-nix-action@v31 is the current version with v31.9.0 being the latest patch. Both actions are properly pinned to specific versions per guidelines. No changes needed.

Likely an incorrect or invalid review comment.

install.sh (1)

45-71: Add --determinate flag to all Determinate Nix installer invocations to ensure Determinate Nix with flakes is installed.

The current commands on lines 52–54 and 66 omit the --determinate flag, which per 2025 Determinate Systems documentation is the recommended way to explicitly request Determinate Nix (with flakes enabled). Without it, the installer may default to upstream Nix instead. Update:

  • Line 52: sh -s -- install linux --init none --no-confirmsh -s -- install --determinate --init none --no-confirm
  • Line 66: sh -s -- install linuxsh -s -- install --determinate linux

Line 45 (macOS) should also add --determinate unless upstream Nix is intentionally required. The sourced profile paths are correct for their respective contexts.

⛔ Skipped due to learnings
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/formatting.mdc:0-0
Timestamp: 2025-11-25T09:34:32.423Z
Learning: Applies to **/*.{sh,bash} : Follow shellcheck recommendations in shell scripts
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/general.mdc:0-0
Timestamp: 2025-11-25T09:34:40.062Z
Learning: Applies to flake.nix : Maintain flake.nix as the main Nix configuration with proper structure
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/nix.mdc:0-0
Timestamp: 2025-11-25T09:35:01.066Z
Learning: Test configurations before committing using `nix flake check` and `home-manager build --show-trace`
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-11-25T09:34:23.224Z
Learning: Applies to nix-darwin/**/*.nix : Use Homebrew only for macOS-specific applications
spec/support/custom_matcher.sh (1)

1-1: Remove the shebang from spec/support/custom_matcher.sh if this file is sourced via import. Shebangs are unnecessary for files meant to be sourced, not executed directly. Verify that this file actually defines matcher functions that are used by the specs; if it remains empty or unused, it may be dead code.

Makefile (1)

202-208: The Determinate Nix installer invocation is correct. The installer supports platform autodetection when using just install without an explicit planner argument. The current command curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install correctly leverages this autodetection and will select the appropriate planner for macOS or Linux at runtime. Explicitly specifying install linux is unnecessary.

.shellspec (1)

1-3: The .shellspec configuration is correct. The --require spec_helper directive follows ShellSpec's standard pattern and will load spec/spec_helper.sh by default from the spec/ directory. The --shell bash option is stable and consistent across ShellSpec versions (bash ≥ 2.03 is supported). No verification against specific CI versions is necessary—ShellSpec's path resolution and shell compatibility are well-established and documented.

spec/spec_helper.sh (1)

1-11: minimum_version "0.28.1" is valid for ShellSpec. Confirm that .shellspec and CI configuration correctly define SHELLSPEC_LOAD_PATH to include the directory containing support/custom_matcher.sh, as ShellSpec's import searches these paths rather than resolving filesystem paths directly.

config/claude/pushover.sh (1)

10-16: ShellCheck directive now correctly scoped to the source line
Directive placement is better/clearer and keeps the export semantics via set -a intact.

spec/pushover_spec.sh (1)

1-16: Nice basic coverage for “no credentials” early-exit
This guards the “do nothing quietly” behavior well.

spec/notify_spec.sh (1)

7-20: Good coverage of “Pushover configured => skip local notify”
Clear setup and expectations.

spec/security_spec.sh (1)

33-89: Coverage matrix looks solid (non-Bash pass-through + safe + blocked + empty input)
These cases map well to the deny-pattern enforcement goal.

config/claude/settings.json (3)

70-93: Good: explicit read/write deny rules for sensitive files
This is a strong improvement to prevent accidental secret exfiltration/modification even when broader tooling is allowed.


123-143: Good hook order: run security.sh before notify/pushover
Having the guardrail execute first is the right default.


230-232: The defaultMode: "bypassPermissions" setting only bypasses interactive prompts, not permission enforcement

"bypassPermissions" automatically allows tool use and file access without asking, but does not bypass enforcement from permissions.deny or security checks. The setting skips user prompts in trusted environments; permissions.deny rules and prehook validation remain in effect.

Comment thread .env.example
# Copy to home-manager/.env and provide real values. The .env file stays local.
MY_SECRET=replace-me
# GITHUB_TOKEN=ghp_your_token_here
CLIPROXY_MANAGEMENT_PASSWORD=your-management-key-here

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⚠️ Potential issue | 🟡 Minor

Optional: reorder keys if dotenv-linter is enforced in CI.
If dotenv-linter warnings fail the pipeline, move CLIPROXY_MANAGEMENT_PASSWORD above MY_SECRET; otherwise this is fine.

🧰 Tools
🪛 dotenv-linter (4.0.0)

[warning] 5-5: [UnorderedKey] The CLIPROXY_MANAGEMENT_PASSWORD key should go before the MY_SECRET key

(UnorderedKey)

🤖 Prompt for AI Agents
In .env.example around line 5, dotenv-linter may flag variable order; move
CLIPROXY_MANAGEMENT_PASSWORD above MY_SECRET to satisfy lint ordering. Edit the
file to place the CLIPROXY_MANAGEMENT_PASSWORD entry before the MY_SECRET entry
so dotenv-linter (if enforced in CI) no longer reports ordering warnings.

Comment thread config/claude/security.sh
Comment on lines +11 to +30
set -euo pipefail

# Read JSON input from stdin
input=$(cat)

# Extract tool name - only process Bash commands
tool_name=$(echo "$input" | jq -r '.tool.name // empty' 2>/dev/null)
[[ "$tool_name" != "Bash" ]] && exit 0

# Extract the command to be executed
command=$(echo "$input" | jq -r '.tool.input.command // empty' 2>/dev/null)
[[ -z "$command" ]] && exit 0

# Path to settings file with deny patterns
settings="$HOME/.claude/settings.json"
[[ ! -f "$settings" ]] && exit 0

# Read deny patterns from settings
mapfile -t deny_patterns < <(jq -r '.permissions.deny[]?' "$settings" 2>/dev/null)

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⚠️ Potential issue | 🔴 Critical

Fail-open safely when jq is missing or JSON is invalid (today it may fail-closed under set -euo pipefail).

With set -euo pipefail, any jq error in tool_name=$(echo ... | jq ...) / command=... / mapfile ... < <(jq ...) can exit the hook non-zero and unintentionally block all Bash tool usage.

 set -euo pipefail

+# If jq isn't available (or JSON is malformed), don't block tool execution.
+command -v jq >/dev/null 2>&1 || exit 0
+
 # Read JSON input from stdin
 input=$(cat)

 # Extract tool name - only process Bash commands
-tool_name=$(echo "$input" | jq -r '.tool.name // empty' 2>/dev/null)
+tool_name=$(echo "$input" | jq -r '.tool.name // empty' 2>/dev/null || true)
 [[ "$tool_name" != "Bash" ]] && exit 0

 # Extract the command to be executed
-command=$(echo "$input" | jq -r '.tool.input.command // empty' 2>/dev/null)
+command=$(echo "$input" | jq -r '.tool.input.command // empty' 2>/dev/null || true)
 [[ -z "$command" ]] && exit 0
@@
 # Read deny patterns from settings
-mapfile -t deny_patterns < <(jq -r '.permissions.deny[]?' "$settings" 2>/dev/null)
+mapfile -t deny_patterns < <(jq -r '.permissions.deny[]?' "$settings" 2>/dev/null || true)

As per coding guidelines (shellcheck resiliency for **/*.{sh,bash}), this also prevents “tool broke because jq glitched” failures. Based on learnings, follow ShellCheck recommendations.

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
set -euo pipefail
# Read JSON input from stdin
input=$(cat)
# Extract tool name - only process Bash commands
tool_name=$(echo "$input" | jq -r '.tool.name // empty' 2>/dev/null)
[[ "$tool_name" != "Bash" ]] && exit 0
# Extract the command to be executed
command=$(echo "$input" | jq -r '.tool.input.command // empty' 2>/dev/null)
[[ -z "$command" ]] && exit 0
# Path to settings file with deny patterns
settings="$HOME/.claude/settings.json"
[[ ! -f "$settings" ]] && exit 0
# Read deny patterns from settings
mapfile -t deny_patterns < <(jq -r '.permissions.deny[]?' "$settings" 2>/dev/null)
set -euo pipefail
# If jq isn't available (or JSON is malformed), don't block tool execution.
command -v jq >/dev/null 2>&1 || exit 0
# Read JSON input from stdin
input=$(cat)
# Extract tool name - only process Bash commands
tool_name=$(echo "$input" | jq -r '.tool.name // empty' 2>/dev/null || true)
[[ "$tool_name" != "Bash" ]] && exit 0
# Extract the command to be executed
command=$(echo "$input" | jq -r '.tool.input.command // empty' 2>/dev/null || true)
[[ -z "$command" ]] && exit 0
# Path to settings file with deny patterns
settings="$HOME/.claude/settings.json"
[[ ! -f "$settings" ]] && exit 0
# Read deny patterns from settings
mapfile -t deny_patterns < <(jq -r '.permissions.deny[]?' "$settings" 2>/dev/null || true)

Comment thread config/claude/security.sh
Comment on lines +33 to +52
matches_pattern() {
local cmd="$1"
local pattern="$2"

# Extract pattern from Bash(...) format
if [[ "$pattern" =~ ^Bash\((.+)\)$ ]]; then
local check_pattern="${BASH_REMATCH[1]}"
# Remove trailing :* if present (legacy format)
check_pattern="${check_pattern%:*}"

# Use bash glob matching (extended globbing)
shopt -s extglob
# shellcheck disable=SC2053
if [[ "$cmd" == $check_pattern ]]; then
return 0
fi
shopt -u extglob
fi
return 1
}

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⚠️ Potential issue | 🟡 Minor

Restore extglob even on a successful match (currently it can stay enabled until process exit).

Right now, return 0 happens before shopt -u extglob. Easy to make deterministic:

 matches_pattern() {
   local cmd="$1"
   local pattern="$2"
@@
     # Use bash glob matching (extended globbing)
-    shopt -s extglob
-    # shellcheck disable=SC2053
-    if [[ "$cmd" == $check_pattern ]]; then
-      return 0
-    fi
-    shopt -u extglob
+    local extglob_was_set=0 matched=1
+    shopt -q extglob && extglob_was_set=1
+    shopt -s extglob
+    # shellcheck disable=SC2053
+    [[ "$cmd" == $check_pattern ]] && matched=0
+    (( extglob_was_set == 1 )) || shopt -u extglob
+    return "$matched"
   fi
   return 1
 }
🤖 Prompt for AI Agents
In config/claude/security.sh around lines 33 to 52, extglob is enabled with
shopt -s but on a successful match the function returns before shopt -u is
called, leaving extglob enabled for the rest of the shell; fix by saving the
prior extglob state before enabling and restoring it before any return (or use a
subshell), e.g., capture the output of shopt -q extglob to a variable, enable
extglob, perform the match, then restore extglob to its original state (call
shopt -s extglob if it was on, or shopt -u extglob if it was off) before
returning.

Comment thread config/claude/security.sh
Comment on lines +54 to +63
# Split command at logical operators to catch hidden dangerous commands
# This handles: cmd1 ; cmd2, cmd1 && cmd2, cmd1 || cmd2, cmd1 | cmd2
# shellcheck disable=SC2001
IFS=$'\n' read -r -d '' -a segments < <(echo "$command" | sed 's/[;&|]\+/\n/g' && printf '\0') || true

for segment in "${segments[@]}"; do
# Trim leading/trailing whitespace
segment=$(echo "$segment" | xargs 2>/dev/null) || continue
[[ -z "$segment" ]] && continue

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⚠️ Potential issue | 🟠 Major

Avoid xargs for trimming: it normalizes whitespace and can change what you’re matching.

For a security hook, don’t mutate the command string more than necessary—use a trim that preserves internal spacing:

 for segment in "${segments[@]}"; do
   # Trim leading/trailing whitespace
-  segment=$(echo "$segment" | xargs 2>/dev/null) || continue
+  segment=$(printf '%s' "$segment" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//') || continue
   [[ -z "$segment" ]] && continue

Based on learnings, follow ShellCheck recommendations.

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
# Split command at logical operators to catch hidden dangerous commands
# This handles: cmd1 ; cmd2, cmd1 && cmd2, cmd1 || cmd2, cmd1 | cmd2
# shellcheck disable=SC2001
IFS=$'\n' read -r -d '' -a segments < <(echo "$command" | sed 's/[;&|]\+/\n/g' && printf '\0') || true
for segment in "${segments[@]}"; do
# Trim leading/trailing whitespace
segment=$(echo "$segment" | xargs 2>/dev/null) || continue
[[ -z "$segment" ]] && continue
# Split command at logical operators to catch hidden dangerous commands
# This handles: cmd1 ; cmd2, cmd1 && cmd2, cmd1 || cmd2, cmd1 | cmd2
# shellcheck disable=SC2001
IFS=$'\n' read -r -d '' -a segments < <(echo "$command" | sed 's/[;&|]\+/\n/g' && printf '\0') || true
for segment in "${segments[@]}"; do
# Trim leading/trailing whitespace
segment=$(printf '%s' "$segment" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//') || continue
[[ -z "$segment" ]] && continue
🤖 Prompt for AI Agents
In config/claude/security.sh around lines 54 to 63, the trimming uses "xargs"
which normalizes internal whitespace and can change the command being inspected;
replace the xargs-based trim with a safe leading/trailing-only trim that
preserves internal spacing (use POSIX shell parameter expansion to remove
leading and trailing whitespace, or use sed with explicit ^[[:space:]]* and
[[:space:]]*$ patterns), ensure you do not spawn unnecessary subshells or
collapse internal spaces, and keep the check that skips empty segments.

Comment on lines 1 to 3
{
"cleanupPeriodDays": 99999,
"permissions": {

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⚠️ Potential issue | 🟠 Major

Revisit cleanupPeriodDays: 99999 retention choice
That’s effectively “keep almost forever”; if the goal is privacy or disk hygiene, consider a more bounded value (or document why extremely long retention is desired).

🤖 Prompt for AI Agents
In config/claude/settings.json around lines 1 to 3, the cleanupPeriodDays is set
to an effectively permanent value (99999); change this to a sensible bounded
retention (e.g., 30, 90, or 365 days) or replace the literal with a named
constant/env var and add a short comment or documentation explaining why a long
retention is required if you must keep it long-term; update tests/config docs
accordingly.

Comment on lines 4 to 13
remote-management:
# Whether to allow remote (non-localhost) management access.
# When false, only localhost can access management endpoints (a key is still required).
allow-remote: true
allow-remote: false
# Management key. If a plaintext value is provided here, it will be hashed on startup.
# All management requests (even from localhost) require this key.
# Leave empty to disable the Management API entirely (404 for all /v0/management routes).
secret-key: ""
secret-key: "__CLIPROXY_MANAGEMENT_PASSWORD__"
# Disable the bundled management control panel asset download and HTTP route when true.
disable-control-panel: false

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⚠️ Potential issue | 🟠 Major

❓ Verification inconclusive

🏁 Script executed:

# First, let's find the start.sh file mentioned in the comment
find . -name "start.sh" -type f

Repository: shunkakinoki/dotfiles

Length of output: 186


🏁 Script executed:

# Search for Management API implementation and secret-key handling
rg -i "secret.?key|management.*password" --type yaml --type py --type js --type ts -A 3 -B 1

Repository: shunkakinoki/dotfiles

Length of output: 186


🏁 Script executed:

# Check the YAML file itself for formatting compliance
cat -n config/cliproxyapi/config.yaml | head -20

Repository: shunkakinoki/dotfiles

Length of output: 186


🏁 Script executed:

# Search for how MANAGEMENT_PASSWORD env var is used
rg "MANAGEMENT_PASSWORD|CLIPROXY_MANAGEMENT_PASSWORD" -A 3 -B 1

Repository: shunkakinoki/dotfiles

Length of output: 186


Prevent deploying a config with the literal placeholder as the management key.

If template substitution fails, secret-key becomes a predictable non-empty credential. Consider enforcing "no placeholders remain" validation in the generator (as mentioned in start.sh), or defaulting secret-key to empty and relying on MANAGEMENT_PASSWORD environment variable exclusively.

Verification needed: Confirm whether secret-key being set to a non-empty value always enables management auth (even if MANAGEMENT_PASSWORD is empty), and whether an empty string is guaranteed to disable /v0/management routes.

🤖 Prompt for AI Agents
config/cliproxyapi/config.yaml lines 4-13: the template leaves the literal
placeholder "__CLIPROXY_MANAGEMENT_PASSWORD__" in secret-key which can become a
predictable credential if substitution fails; update the generator/start.sh to
detect this placeholder and either (a) fail generation with a clear error, or
(b) replace the placeholder with an empty string so secret-key is default-empty,
and add a unit/integration check that validates no placeholders remain in the
rendered config; additionally verify in code that a non-empty secret-key always
enables management auth and that an empty string reliably disables
/v0/management routes, and add tests or runtime log messages to assert this
behavior.

Comment on lines +18 to 26
# Export management password for Management API (CLIProxyAPI requires MANAGEMENT_PASSWORD env var)
export MANAGEMENT_PASSWORD="${CLIPROXY_MANAGEMENT_PASSWORD:-}"

# Generate config from template with secrets injected
if [ -f "$TEMPLATE" ]; then
sed "s|__OPENROUTER_API_KEY__|${OPENROUTER_API_KEY:-}|g" "$TEMPLATE" >"$CONFIG"
sed -e "s|__OPENROUTER_API_KEY__|${OPENROUTER_API_KEY:-}|g" \
-e "s|__CLIPROXY_MANAGEMENT_PASSWORD__|${CLIPROXY_MANAGEMENT_PASSWORD:-}|g" \
"$TEMPLATE" >"$CONFIG"
fi

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⚠️ Potential issue | 🟠 Major

Escape sed replacements + write config with umask 077 + fail if placeholders remain.

 set -euo pipefail
+umask 077
@@
 # Generate config from template with secrets injected
 if [ -f "$TEMPLATE" ]; then
-  sed -e "s|__OPENROUTER_API_KEY__|${OPENROUTER_API_KEY:-}|g" \
-      -e "s|__CLIPROXY_MANAGEMENT_PASSWORD__|${CLIPROXY_MANAGEMENT_PASSWORD:-}|g" \
+  escape_sed_replacement() {
+    # Escape backslash, &, and the chosen delimiter '|'
+    printf '%s' "$1" | sed -e 's/[\\&|]/\\&/g'
+  }
+
+  OPENROUTER_API_KEY_ESC=$(escape_sed_replacement "${OPENROUTER_API_KEY:-}")
+  CLIPROXY_MANAGEMENT_PASSWORD_ESC=$(escape_sed_replacement "${CLIPROXY_MANAGEMENT_PASSWORD:-}")
+
+  sed -e "s|__OPENROUTER_API_KEY__|${OPENROUTER_API_KEY_ESC}|g" \
+      -e "s|__CLIPROXY_MANAGEMENT_PASSWORD__|${CLIPROXY_MANAGEMENT_PASSWORD_ESC}|g" \
       "$TEMPLATE" >"$CONFIG"
+
+  # Refuse to start if template placeholders survived injection.
+  if grep -qE '__OPENROUTER_API_KEY__|__CLIPROXY_MANAGEMENT_PASSWORD__' "$CONFIG"; then
+    echo "config.yaml still contains template placeholders; refusing to start" >&2
+    exit 1
+  fi
 fi

Based on learnings, follow ShellCheck recommendations.

Committable suggestion skipped: line range outside the PR's diff.

🤖 Prompt for AI Agents
In home-manager/services/cliproxyapi/start.sh around lines 18 to 26, the current
sed replacements can break on values containing slashes or ampersands, the
config is written directly with insecure permissions, and the script doesn’t
fail if placeholders remain; fix by: (1) escape each replacement value before
passing to sed (e.g. replace problematic characters like / and & with
backslash-escaped versions using a small helper or printf/sed pipeline) so sed
substitutions are safe; (2) set umask 077 before creating the config and write
to a secure temporary file then atomically mv it into place to avoid
race/permission issues; and (3) after generation, check the resulting file for
any remaining placeholder tokens (e.g. grep for __OPENROUTER_API_KEY__ or
__CLIPROXY_MANAGEMENT_PASSWORD__) and exit non‑zero with a clear error if any
are found.

Comment thread Makefile
Comment on lines 137 to 142
.PHONY: switch
switch: nix-switch ## Apply Nix configuration and restart launchd agents.
switch: nix-switch launchctl ## Apply Nix configuration and restart launchd agents.

.PHONY: test
test: neovim-test
test: neovim-test shell-test ## Run all tests (neovim + shell).

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⚠️ Potential issue | 🔴 Critical

make switch will fail on Linux now (because launchctl is a hard dependency).

This is especially problematic because named-hosts/kyber/README.md instructs running make switch on Ubuntu.

-.PHONY: switch
-switch: nix-switch launchctl ## Apply Nix configuration and restart launchd agents.
+.PHONY: switch
+switch: nix-switch ## Apply Nix configuration and restart launchd agents (macOS only).
+ifeq ($(OS),Darwin)
+	@$(MAKE) launchctl
+else
+	@echo "ℹ️ launchctl skipped on $(OS)"
+endif

Committable suggestion skipped: line range outside the PR's diff.

🤖 Prompt for AI Agents
Makefile lines 137-142: the switch target currently hard-depends on launchctl
which exists only on macOS, causing make switch to fail on Linux; change the
Makefile so the launchctl dependency is conditional: detect the OS (uname) or
set a variable (e.g., LAUNCHCTL := launchctl on Darwin, empty otherwise) and
make switch depend on that variable (or make launchctl a no-op on non-Darwin),
ensuring make switch runs on Linux without requiring launchctl.

Comment thread Makefile
Comment on lines +630 to +648
.PHONY: shell-test
shell-test: ## Run shell script tests using ShellSpec.
@echo "🧪 Running shell tests..."
@shellspec

.PHONY: shell-test-dev
shell-test-dev: ## Run shell tests inside the Nix dev shell (mirrors CI).
@echo "🧪 Running shell tests inside the Nix dev shell..."
@DEVENV_ROOT=$(CURDIR) $(NIX_ALLOW_UNFREE) $(NIX_EXEC) develop $(NIX_FLAGS) .# --command $(MAKE) shell-test

.PHONY: shell-check
shell-check: ## Run ShellCheck on shell scripts.
@echo "🔍 Running ShellCheck..."
@find . -name '*.sh' -not -path './node_modules/*' -not -path './.git/*' -not -path './result/*' | xargs shellcheck

.PHONY: shell-check-dev
shell-check-dev: ## Run ShellCheck inside the Nix dev shell (mirrors CI).
@echo "🔍 Running ShellCheck inside the Nix dev shell..."
@DEVENV_ROOT=$(CURDIR) $(NIX_ALLOW_UNFREE) $(NIX_EXEC) develop $(NIX_FLAGS) .# --command $(MAKE) shell-check

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⚠️ Potential issue | 🟠 Major

Make shell-check robust to spaces/newlines and “no files found” cases.

find ... | xargs shellcheck is brittle. Prefer -exec ... {} +:

 shell-check: ## Run ShellCheck on shell scripts.
 	@echo "🔍 Running ShellCheck..."
-	@find . -name '*.sh' -not -path './node_modules/*' -not -path './.git/*' -not -path './result/*' | xargs shellcheck
+	@find . -name '*.sh' \
+	  -not -path './node_modules/*' -not -path './.git/*' -not -path './result/*' \
+	  -exec shellcheck {} +

Based on learnings, follow ShellCheck recommendations.

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
.PHONY: shell-test
shell-test: ## Run shell script tests using ShellSpec.
@echo "🧪 Running shell tests..."
@shellspec
.PHONY: shell-test-dev
shell-test-dev: ## Run shell tests inside the Nix dev shell (mirrors CI).
@echo "🧪 Running shell tests inside the Nix dev shell..."
@DEVENV_ROOT=$(CURDIR) $(NIX_ALLOW_UNFREE) $(NIX_EXEC) develop $(NIX_FLAGS) .# --command $(MAKE) shell-test
.PHONY: shell-check
shell-check: ## Run ShellCheck on shell scripts.
@echo "🔍 Running ShellCheck..."
@find . -name '*.sh' -not -path './node_modules/*' -not -path './.git/*' -not -path './result/*' | xargs shellcheck
.PHONY: shell-check-dev
shell-check-dev: ## Run ShellCheck inside the Nix dev shell (mirrors CI).
@echo "🔍 Running ShellCheck inside the Nix dev shell..."
@DEVENV_ROOT=$(CURDIR) $(NIX_ALLOW_UNFREE) $(NIX_EXEC) develop $(NIX_FLAGS) .# --command $(MAKE) shell-check
.PHONY: shell-test
shell-test: ## Run shell script tests using ShellSpec.
@echo "🧪 Running shell tests..."
@shellspec
.PHONY: shell-test-dev
shell-test-dev: ## Run shell tests inside the Nix dev shell (mirrors CI).
@echo "🧪 Running shell tests inside the Nix dev shell..."
@DEVENV_ROOT=$(CURDIR) $(NIX_ALLOW_UNFREE) $(NIX_EXEC) develop $(NIX_FLAGS) .# --command $(MAKE) shell-test
.PHONY: shell-check
shell-check: ## Run ShellCheck on shell scripts.
@echo "🔍 Running ShellCheck..."
@find . -name '*.sh' \
-not -path './node_modules/*' -not -path './.git/*' -not -path './result/*' \
-exec shellcheck {} +
.PHONY: shell-check-dev
shell-check-dev: ## Run ShellCheck inside the Nix dev shell (mirrors CI).
@echo "🔍 Running ShellCheck inside the Nix dev shell..."
@DEVENV_ROOT=$(CURDIR) $(NIX_ALLOW_UNFREE) $(NIX_EXEC) develop $(NIX_FLAGS) .# --command $(MAKE) shell-check
🧰 Tools
🪛 checkmake (0.2.2)

[warning] 645-645: Missing required phony target "all"

(minphony)


[warning] 645-645: Missing required phony target "clean"

(minphony)

🤖 Prompt for AI Agents
In Makefile around lines 630 to 648, the shell-check target uses "find ... |
xargs shellcheck", which breaks on filenames with spaces/newlines and when no
matches are found; replace the pipeline with a find -exec form (or use -print0
with xargs -0) so ShellCheck is invoked safely and gracefully when no files
exist, preserving the same exclusion patterns; update shell-check-dev similarly
to mirror the change inside the Nix dev shell.

Comment on lines 15 to 17
# 2. Install Nix
curl -L https://nixos.org/nix/install | sh -s -- --daemon
curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install linux

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⚠️ Potential issue | 🟠 Major

🧩 Analysis chain

🌐 Web query:

Determinate Systems Nix installer documentation official command

💡 Result:

Run this one-liner (Determinate Nix):

curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install --determinate. [1][2]

(If you prefer upstream Nix, omit --determinate: curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install.) [2]

Sources: Determinate Systems installer docs and repo. [1][2]


Use --determinate flag instead of linux in the Nix install command. The correct command is:

curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install --determinate

The current command uses install linux which is not a recognized flag. The --determinate flag is the official, recommended way to install Determinate's Nix flavor.

🤖 Prompt for AI Agents
In named-hosts/kyber/README.md around lines 15 to 17 the Nix install command
uses an incorrect flag ("install linux"); replace that argument with the correct
Determinate installer flag by changing the invocation to use "install
--determinate" so the script receives the proper installation mode; update the
README command accordingly and ensure the example shows the full curl | sh -s --
install --determinate form.

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Actionable comments posted: 1

♻️ Duplicate comments (4)
config/claude/security.sh (4)

11-29: Fail-open safely if jq is missing / JSON is invalid under set -euo pipefail.
Right now jq errors can exit non-zero and unintentionally block all Bash tool usage (availability regression for the hook). Also consider single-pass extraction to avoid parsing stdin twice.

 set -euo pipefail

 # Read JSON input from stdin
 input=$(cat)

+# If jq isn't available (or JSON is malformed), don't block tool execution.
+command -v jq >/dev/null 2>&1 || exit 0
+
 # Extract tool name - only process Bash commands
-tool_name=$(echo "$input" | jq -r '.tool.name // empty' 2>/dev/null)
+tool_name=$(printf '%s' "$input" | jq -r '.tool.name // empty' 2>/dev/null || true)
 [[ $tool_name != "Bash" ]] && exit 0

 # Extract the command to be executed
-command=$(echo "$input" | jq -r '.tool.input.command // empty' 2>/dev/null)
+command=$(printf '%s' "$input" | jq -r '.tool.input.command // empty' 2>/dev/null || true)
 [[ -z $command ]] && exit 0
@@
 # Read deny patterns from settings
-mapfile -t deny_patterns < <(jq -r '.permissions.deny[]?' "$settings" 2>/dev/null)
+mapfile -t deny_patterns < <(jq -r '.permissions.deny[]?' "$settings" 2>/dev/null || true)

33-52: Restore extglob even on successful match (state leak).
return 0 happens before shopt -u extglob, leaving extglob enabled for the rest of the script.

 matches_pattern() {
   local cmd="$1"
   local pattern="$2"
@@
-    shopt -s extglob
+    local extglob_was_set=0 matched=1
+    shopt -q extglob && extglob_was_set=1
+    shopt -s extglob
     # shellcheck disable=SC2053
-    if [[ $cmd == $check_pattern ]]; then
-      return 0
-    fi
-    shopt -u extglob
+    [[ $cmd == $check_pattern ]] && matched=0
+    (( extglob_was_set == 1 )) || shopt -u extglob
+    return "$matched"
   fi
   return 1
 }

54-58: Command splitting doesn’t match the comment (and misses $()/backticks).
The sed regex splits on ;, &, | but not on &&/|| as claimed, and it won’t surface dangerous commands inside command substitution / backticks / process substitution. Either tighten the comment + document limitations, or implement a more robust parser.


59-63: Don’t use xargs to trim in a security check; it can rewrite the string.
Use a leading/trailing trim that preserves internal whitespace and doesn’t interpret quotes/backslashes.

 for segment in "${segments[@]}"; do
   # Trim leading/trailing whitespace
-  segment=$(echo "$segment" | xargs 2>/dev/null) || continue
+  segment=$(printf '%s' "$segment" | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//') || continue
   [[ -z $segment ]] && continue
🧹 Nitpick comments (2)
spec/notify_spec.sh (2)

14-18: Avoid flakiness: assert/handle stderr explicitly for “skips local notification”.

This test only checks stdout is empty; if notify.sh emits debug/warnings to stderr, it can still “pass” while being noisy (or fail later if you start asserting combined output). Consider asserting stderr is empty too (or explicitly allowing it, if intended).

 It 'exits early and skips local notification'
 When run bash "$SCRIPT" <<<'{"message": "Test message"}'
 The status should be success
 The output should eq ''
+The error should eq ''
 End

1-3: Narrow/justify shellcheck disable=SC2329.

Disabling SC2329 for the whole file can hide real “unused function” issues. If this is only to appease ShellCheck for ShellSpec DSL, consider scoping it to the specific lines or adding a brief reason comment.

-# shellcheck disable=SC2329
+# shellcheck disable=SC2329  # ShellSpec DSL defines functions dynamically; ShellCheck flags them as unused.
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📒 Files selected for processing (5)
  • config/claude/security.sh (1 hunks)
  • home-manager/services/cliproxyapi/start.sh (1 hunks)
  • spec/notify_spec.sh (1 hunks)
  • spec/pushover_spec.sh (1 hunks)
  • spec/security_spec.sh (1 hunks)
🚧 Files skipped from review as they are similar to previous changes (3)
  • home-manager/services/cliproxyapi/start.sh
  • spec/security_spec.sh
  • spec/pushover_spec.sh
🧰 Additional context used
📓 Path-based instructions (1)
**/*.{sh,bash}

📄 CodeRabbit inference engine (CLAUDE.md)

Use shfmt with 2-space indentation for shell scripts

**/*.{sh,bash}: Use 2 spaces for indentation in shell scripts
Add proper shebang lines to shell scripts
Follow shellcheck recommendations in shell scripts
Document complex commands in shell scripts
Use consistent variable naming in shell scripts

Files:

  • spec/notify_spec.sh
  • config/claude/security.sh
🧠 Learnings (3)
📚 Learning: 2025-11-25T09:34:32.423Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/formatting.mdc:0-0
Timestamp: 2025-11-25T09:34:32.423Z
Learning: Applies to **/*.{sh,bash} : Follow shellcheck recommendations in shell scripts

Applied to files:

  • config/claude/security.sh
📚 Learning: 2025-11-25T09:34:32.423Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/formatting.mdc:0-0
Timestamp: 2025-11-25T09:34:32.423Z
Learning: Applies to **/*.{sh,bash} : Document complex commands in shell scripts

Applied to files:

  • config/claude/security.sh
📚 Learning: 2025-11-25T09:34:32.423Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/formatting.mdc:0-0
Timestamp: 2025-11-25T09:34:32.423Z
Learning: Applies to **/*.{sh,bash} : Use consistent variable naming in shell scripts

Applied to files:

  • config/claude/security.sh
⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (13)
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  • GitHub Check: shellspec
  • GitHub Check: shellcheck

Comment thread spec/notify_spec.sh
Comment on lines +4 to +6
Describe 'notify.sh'
SCRIPT="$PWD/config/claude/notify.sh"

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⚠️ Potential issue | 🟠 Major

Make SCRIPT path robust (don’t rely on $PWD).

SCRIPT="$PWD/config/claude/notify.sh" will break if ShellSpec runs from a different working directory (e.g., CI invoking from spec/, or via a wrapper). Prefer resolving relative to the spec file location.

 Describe 'notify.sh'
-SCRIPT="$PWD/config/claude/notify.sh"
+SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
+SCRIPT="$SCRIPT_DIR/../config/claude/notify.sh"
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
Describe 'notify.sh'
SCRIPT="$PWD/config/claude/notify.sh"
Describe 'notify.sh'
SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
SCRIPT="$SCRIPT_DIR/../config/claude/notify.sh"
🤖 Prompt for AI Agents
In spec/notify_spec.sh around lines 4 to 6, the SCRIPT variable uses $PWD which
fails when tests are run from another working directory; replace it with a path
resolved relative to the spec file location (e.g., compute the spec directory
via dirname of the test file and join ../config/claude/notify.sh), using a
robust fallback (use ${BASH_SOURCE[0]} if available else $0) so the script path
is correct regardless of the current working directory.

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Pull request overview

This PR enhances the dotfiles repository with comprehensive shell script testing infrastructure, security improvements for Claude Code, and streamlined SSH access via Tailscale. The changes focus on three key areas: establishing ShellSpec-based testing with CI integration, implementing security hooks to block dangerous bash commands, and migrating Nix installations to the Determinate Systems installer.

Key Changes

  • Testing Infrastructure: Adds ShellSpec framework with comprehensive tests for security, notification, and utility scripts, integrated into CI workflow
  • Security Enhancements: Implements security.sh hook to block dangerous bash commands before execution, with configurable deny patterns and enhanced file access restrictions
  • Tailscale Migration: Simplifies Kyber server SSH access by replacing password-based authentication with Tailscale, adding both standard and zellij-attached connection functions

Reviewed changes

Copilot reviewed 25 out of 26 changed files in this pull request and generated 14 comments.

Show a summary per file
File Description
spec/security_spec.sh New ShellSpec tests for security.sh command blocking functionality
spec/pushover_spec.sh New ShellSpec tests for Pushover notification script behavior
spec/notify_spec.sh New ShellSpec tests for local notification script logic
spec/spec_helper.sh ShellSpec configuration requiring minimum version 0.28.1
spec/support/custom_matcher.sh Empty custom matcher support file for ShellSpec
.shellspec ShellSpec configuration with bash shell and progress format
config/claude/security.sh New security hook that blocks dangerous bash commands based on deny patterns
config/claude/pushover.sh Updates to skip noisy "other" session end notifications
config/claude/notify.sh Adds shellcheck directive for env file sourcing
config/claude/settings.json Major security configuration changes including deny patterns, file access restrictions, defaultMode change, and removal of go/python permissions
config/claude/default.nix Adds security.sh to home-manager configuration
config/cliproxyapi/config.yaml Updates management API to localhost-only with password injection
home-manager/services/cliproxyapi/start.sh Injects CLIPROXY_MANAGEMENT_PASSWORD into config template
home-manager/programs/fish/functions/_kyber_function.fish Simplifies SSH to use Tailscale instead of password authentication
home-manager/programs/fish/functions/_kybers_function.fish New function for SSH with zellij attachment via Tailscale
home-manager/programs/fish/default.nix Registers new kybers alias and function
home-manager/packages/default.nix Adds shellcheck and shellspec to development packages
install.sh Migrates all Nix installation paths to Determinate Systems installer
named-hosts/kyber/README.md Updates Nix installation command to use Determinate installer
README-nix.md Updates documentation to recommend Determinate Nix installer
Makefile Adds shell-test, shell-check targets and updates Nix installation
devenv.nix Adds shellcheck and shellspec to development environment
.github/workflows/shell.yml New CI workflow for running ShellSpec tests and ShellCheck validation
.env.example Adds CLIPROXY_MANAGEMENT_PASSWORD placeholder
flake.lock Updates nixpkgs and NUR dependency versions
home-manager/services/code-syncer/sync.sh Adds shellcheck disable directives

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Comment thread spec/security_spec.sh
Comment on lines +74 to +79
It 'blocks rm -rf /*'
Data '{"tool": {"name": "Bash", "input": {"command": "rm -rf /*"}}}'
When run bash -c "HOME='$TEMP_HOME' bash '$SCRIPT'"
The status should eq 2
The stderr should include 'BLOCKED'
End

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The test only checks that status code 2 is returned and stderr includes 'BLOCKED', but it doesn't verify that the command was actually blocked or that the correct error message is produced. Consider adding assertions for the complete error message format to ensure the security script provides useful feedback about which pattern blocked the command.

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Comment thread spec/security_spec.sh
Comment on lines +73 to +80
Describe 'blocked commands'
It 'blocks rm -rf /*'
Data '{"tool": {"name": "Bash", "input": {"command": "rm -rf /*"}}}'
When run bash -c "HOME='$TEMP_HOME' bash '$SCRIPT'"
The status should eq 2
The stderr should include 'BLOCKED'
End
End

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The test suite only validates one dangerous command (rm -rf /*) but doesn't test the other patterns defined in the deny list such as sudo, chmod -R 777, mkfs, or dd if=. Consider adding test cases for all the dangerous command patterns to ensure comprehensive security coverage.

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Comment thread install.sh
. /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh
NIX_EFFECTIVE_BIN_PATH="/nix/var/nix/profiles/default/bin"
else # Linux
if [ "$IN_DOCKER" = "true" ]; then

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The conditional check for 'IN_DOCKER' uses string comparison with 'true', but IN_DOCKER might not be set at all. If IN_DOCKER is unset, the test will fail with an error when 'set -u' is active (which is common in shell scripts). Consider using parameter expansion like '${IN_DOCKER:-false}' to provide a default value.

Suggested change
if [ "$IN_DOCKER" = "true" ]; then
if [ "${IN_DOCKER:-false}" = "true" ]; then

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github_access_token: ${{ secrets.GITHUB_TOKEN }}
- name: Run ShellCheck (Dev Shell)
run: make shell-check-dev
shell-check:

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The job name 'shell-check' is inconsistent with the actual jobs defined above ('shellspec' and 'shellcheck'). While this is just the final status check job, the naming could be clearer - consider renaming to 'shell-tests-status' or similar to better indicate it's an aggregation of the shell testing jobs.

Suggested change
shell-check:
shell-tests-status:

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@@ -1,4 +1,5 @@
#!/usr/bin/env bash
# shellcheck disable=SC2034,SC2155,SC2181,SC2162

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The blanket shellcheck disable directive (SC2034,SC2155,SC2181,SC2162) disables multiple important checks for the entire file. While sometimes necessary, this approach can hide legitimate issues. Consider using more targeted disable directives on specific lines where these warnings are unavoidable, or addressing the underlying issues flagged by shellcheck.

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# All management requests (even from localhost) require this key.
# Leave empty to disable the Management API entirely (404 for all /v0/management routes).
secret-key: ""
secret-key: "__CLIPROXY_MANAGEMENT_PASSWORD__"

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The placeholder CLIPROXY_MANAGEMENT_PASSWORD is being used for the secret-key, but if the CLIPROXY_MANAGEMENT_PASSWORD environment variable is empty or unset, this will result in an empty secret-key in the config. According to the comment on line 10, an empty secret-key disables the Management API entirely (404 for all /v0/management routes). Consider whether this is the intended behavior, or if the service should fail to start when the password is not provided for security reasons.

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},
"model": "sonnet"
"model": "sonnet",
"defaultMode": "bypassPermissions"

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Setting "defaultMode" to "bypassPermissions" means Claude Code will bypass permission checks by default. This effectively disables the security restrictions defined in the permissions section (allow/deny lists, read/write deny patterns) unless explicitly changed. Consider whether this is the intended security posture, as it reduces the protection provided by the carefully configured permissions.

Suggested change
"defaultMode": "bypassPermissions"
"defaultMode": "enforcePermissions"

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Comment thread spec/security_spec.sh
Comment on lines +73 to +89
Describe 'blocked commands'
It 'blocks rm -rf /*'
Data '{"tool": {"name": "Bash", "input": {"command": "rm -rf /*"}}}'
When run bash -c "HOME='$TEMP_HOME' bash '$SCRIPT'"
The status should eq 2
The stderr should include 'BLOCKED'
End
End

Describe 'edge cases'
It 'passes with empty input'
Data '{"tool": {"name": "Bash", "input": {}}}'
When run bash -c "HOME='$TEMP_HOME' bash '$SCRIPT'"
The status should be success
End
End
End

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There are no test cases for the command splitting logic (line 57 in security.sh) that handles commands with logical operators like semicolons, pipes, and logical AND/OR. Consider adding tests for commands like "ls ; rm -rf /*" or "echo test && sudo rm -rf /" to ensure the security script properly detects dangerous commands even when they're chained with safe commands.

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Comment thread spec/spec_helper.sh
set -eu

spec_helper_precheck() {
minimum_version "0.28.1"

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The spec helper requires ShellSpec version 0.28.1 as a minimum, but the CI workflow and Makefile don't verify this version is installed. If an older version is present, tests may fail with unclear error messages. Consider documenting this requirement in the README or adding a version check in the test setup.

Suggested change
minimum_version "0.28.1"
required_version="0.28.1"
installed_version="$(shellspec --version 2>/dev/null | awk '{print $2}')"
if [ -z "$installed_version" ]; then
echo "Error: ShellSpec is not installed or not found in PATH." >&2
exit 1
fi
# Compare versions
if [ "$(printf '%s\n' "$required_version" "$installed_version" | sort -V | head -n1)" != "$required_version" ]; then
echo "Error: ShellSpec version $required_version or higher is required. Found: $installed_version" >&2
exit 1
fi

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@@ -1,4 +1,5 @@
{
"cleanupPeriodDays": 99999,

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Setting cleanupPeriodDays to 99999 effectively disables automatic cleanup of old sessions (approximately 273 years). While this preserves history, it could lead to unbounded storage growth over time. Consider whether this is intentional for debugging purposes or if a more reasonable retention period (e.g., 90-180 days) would be more appropriate for production use.

Suggested change
"cleanupPeriodDays": 99999,
"cleanupPeriodDays": 180,

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@shunkakinoki
shunkakinoki enabled auto-merge (squash) December 13, 2025 01:24

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Actionable comments posted: 3

♻️ Duplicate comments (2)
Makefile (2)

137-138: switch target hard-depends on launchctl (breaks non-macOS).

This matches prior review feedback: make switch will fail on Linux/CI due to launchctl being macOS-only.


640-644: shell-check uses find | xargs (spaces/newlines + empty set).

This matches prior review feedback: prefer find ... -exec shellcheck {} + (or -print0 | xargs -0) for robustness. Based on learnings, follow ShellCheck recommendations.

🧹 Nitpick comments (1)
Makefile (1)

630-634: Simplify shell-test invocation (avoid extra bash -c).

Unless you specifically need bash -c, @shellspec is typically sufficient and avoids an extra shell hop.

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📒 Files selected for processing (4)
  • Makefile (3 hunks)
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  • spec/pushover_spec.sh
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**/*.nix

📄 CodeRabbit inference engine (CLAUDE.md)

**/*.nix: Use nixfmt for formatting all Nix files
Document complex configurations with comments in Nix files

**/*.nix: Use 2 spaces for indentation in Nix files
Keep line length under 100 characters in Nix files
Sort attribute sets alphabetically in Nix files
Use consistent spacing around operators in Nix files
Format lists and sets consistently in Nix files

Use treefmt.toml for formatting Nix files

**/*.nix: Use mkOption for configurable options in Nix modules
Implement proper typing for all options in Nix modules
Follow the Nix expression language style guide

Files:

  • overlays/default.nix
**/default.nix

📄 CodeRabbit inference engine (CLAUDE.md)

Use default.nix files for module exports

Files:

  • overlays/default.nix
🧠 Learnings (12)
📚 Learning: 2025-11-25T09:34:32.423Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/formatting.mdc:0-0
Timestamp: 2025-11-25T09:34:32.423Z
Learning: Applies to **/*.{sh,bash} : Follow shellcheck recommendations in shell scripts

Applied to files:

  • Makefile
📚 Learning: 2025-11-25T09:34:32.423Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/formatting.mdc:0-0
Timestamp: 2025-11-25T09:34:32.423Z
Learning: Applies to **/*.{sh,bash} : Use consistent variable naming in shell scripts

Applied to files:

  • Makefile
📚 Learning: 2025-11-25T09:34:32.423Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/formatting.mdc:0-0
Timestamp: 2025-11-25T09:34:32.423Z
Learning: Applies to **/*.{sh,bash} : Document complex commands in shell scripts

Applied to files:

  • Makefile
📚 Learning: 2025-11-25T09:34:32.423Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/formatting.mdc:0-0
Timestamp: 2025-11-25T09:34:32.423Z
Learning: Applies to **/*.{sh,bash} : Add proper shebang lines to shell scripts

Applied to files:

  • Makefile
📚 Learning: 2025-11-25T09:34:23.224Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-11-25T09:34:23.224Z
Learning: Applies to **/*.{sh,bash} : Use shfmt with 2-space indentation for shell scripts

Applied to files:

  • Makefile
📚 Learning: 2025-11-25T09:34:32.423Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/formatting.mdc:0-0
Timestamp: 2025-11-25T09:34:32.423Z
Learning: Applies to **/*.{sh,bash} : Use 2 spaces for indentation in shell scripts

Applied to files:

  • Makefile
📚 Learning: 2025-11-25T09:34:32.423Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/formatting.mdc:0-0
Timestamp: 2025-11-25T09:34:32.423Z
Learning: Applies to **/*.nix : Use consistent spacing around operators in Nix files

Applied to files:

  • Makefile
📚 Learning: 2025-11-25T09:34:40.062Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/general.mdc:0-0
Timestamp: 2025-11-25T09:34:40.062Z
Learning: Test Nix and home-manager configurations locally before pushing using `make test`

Applied to files:

  • Makefile
📚 Learning: 2025-11-25T09:35:01.066Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/nix.mdc:0-0
Timestamp: 2025-11-25T09:35:01.066Z
Learning: Test configurations before committing using `nix flake check` and `home-manager build --show-trace`

Applied to files:

  • Makefile
📚 Learning: 2025-11-25T09:34:40.062Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/general.mdc:0-0
Timestamp: 2025-11-25T09:34:40.062Z
Learning: Applies to flake.nix : Maintain flake.nix as the main Nix configuration with proper structure

Applied to files:

  • Makefile
📚 Learning: 2025-11-25T09:34:47.854Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/github-workflows.mdc:0-0
Timestamp: 2025-11-25T09:34:47.854Z
Learning: Applies to .github/workflows/*.yml : CI Pipeline must run on all pull requests and main branch pushes, validating Nix flake checks, home-manager builds, nix-darwin builds, and system configurations

Applied to files:

  • Makefile
📚 Learning: 2025-11-25T09:34:47.854Z
Learnt from: CR
Repo: shunkakinoki/dotfiles PR: 0
File: .cursor/rules/github-workflows.mdc:0-0
Timestamp: 2025-11-25T09:34:47.854Z
Learning: Applies to .github/workflows/*.yml : Run Biome for code formatting and validate Nix expressions, commit message format, and documentation updates in code quality checks

Applied to files:

  • Makefile
🪛 checkmake (0.2.2)
Makefile

[warning] 645-645: Missing required phony target "all"

(minphony)


[warning] 645-645: Missing required phony target "clean"

(minphony)

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (13)
  • GitHub Check: nix-nixos
  • GitHub Check: nix-linux
  • GitHub Check: nix-darwin
  • GitHub Check: shellcheck
  • GitHub Check: shellspec
  • GitHub Check: lua-neovim-test
  • GitHub Check: lua-hammerspoon
  • GitHub Check: lua-neovim
  • GitHub Check: e2e-run (MacOS, macos-latest)
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  • GitHub Check: e2e-run (Ubuntu, ubuntu-latest)
  • GitHub Check: docker-build-push (linux/arm64, arm64, ubuntu-24.04-arm)
  • GitHub Check: docker-build-push (linux/amd64, amd64, ubuntu-latest)
🔇 Additional comments (1)
Makefile (1)

140-142: test now includes shell-test—nice CI alignment.

The target wiring looks consistent with adding ShellSpec-based coverage.

Comment thread Makefile
Comment on lines +205 to 207
echo "🚀 Installing Determinate Nix environment for $(NIX_CONFIG_TYPE) on $(OS) $(ARCH) for USER=$(NIX_USERNAME)"; \
curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install; \
fi

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⚠️ Potential issue | 🟠 Major

🧩 Analysis chain

🌐 Web query:

Determinate Nix installer official documentation recommended installation command

💡 Result:

Recommended one‑liner (from Determinate official docs):

curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install --determinate

Sources: Determinate manual and installer repo. [1][2]

References
[1] Determinate Nix Quick Start / Introduction.
[2] Determinate Systems — nix-installer (GitHub / project page).


🌐 Web query:

Determinate Nix installer checksum signature verification security

💡 Result:

Short answer

  • The Determinate Nix installer is distributed over HTTPS from install.determinate.systems and its source is public on GitHub (DeterminateSystems/nix-installer). That gives TLS protection and an auditable source tree, but the common one‑liner (curl … | sh) does not, by itself, perform an independent checksum/GPG signature verification step in the client-side flow. [1][2]

What that means for security

  • TLS (HTTPS) protects against network interception/modification if you trust the CA and DNS; it does not protect you from a compromised server, supply‑chain compromise, or a malicious push to the repo. [2]
  • The project’s repo and releases are publicly auditable, so the strongest protections are: pinning to a specific, reviewed release (or commit) and verifying that release in ways you control (release artifacts, checksums, or Git tag signatures) before running installers. [1]

Practical verification / hardening steps

  1. Pin a specific installer release or commit instead of using the floating one‑liner. Example: download a pinned tag from the repo/releases or the installer URL that includes a version. Then verify the content locally. [1]
  2. Verify the downloaded installer binary/script: check its SHA256 against a checksum you obtained from a trusted channel (release page, reproducible CI artifact) or verify a signed Git tag if the project provides one. If no signed checksum exists, prefer downloading the source and building/inspecting it locally. [1]
  3. Inspect the installer script before running it (curl … -o nix-installer && less ./nix-installer) and run it only after review. Use sh -x or run in a contained environment (VM/container) first. [1][4]
  4. Use reproducible/pinned Nix packages (pin nixpkgs or use Determinate Nix’s pinned flake outputs) so post-install provenance is bounded. Determinate docs encourage pinning and provide flake/module outputs. [2][6]
  5. Prefer platform packages (e.g., Determinate.pkg on macOS) or official release artifacts over the network one‑liner when possible. [2]

If you need absolute integrity guarantees

  • Ask the maintainers for cryptographic checksums and detached signatures, or check whether GitHub release artifacts are signed by a maintainer GPG key you trust. If those aren’t available, you must rely on TLS + pinning + review or build-from-source for higher assurance. (I couldn’t find a documented detached signature or signed checksum for the installer on the public pages I checked.) [1][2]

Sources

  • DeterminateSystems/nix-installer (GitHub repo, README — installer, pinning, usage notes). [1]
  • Determinate Systems documentation and install pages (install.determinate.systems, docs.determinate.systems — installer over HTTPS, recommended install flows, macOS package recommendation). [2][6]

If you want, I can: (a) check a specific release page for release artifacts/checksums/signatures, (b) show the exact curl+verify commands to pin and verify SHA256, or (c) walk you through verifying a downloaded installer on your machine. Which would you like?


Add --determinate flag to the Nix installer invocation.

The Determinate official documentation recommends: curl --proto '=https' --tlsv1.2 -sSf -L https://install.determinate.systems/nix | sh -s -- install --determinate. The Makefile command is missing the --determinate flag, which enables Determinate's managed/pinned installation mode. Update line 206 to include this flag.

Note: The curl | sh pattern is Determinate's own recommended invocation. The HTTPS and TLS settings are appropriate. Cryptographic checksum or signature verification is not offered as part of Determinate's standard one-liner; if supply-chain hardening is required, custom pinning and verification steps would need to be added separately.

🤖 Prompt for AI Agents
Makefile around lines 205 to 207: the Determinate Nix installer invocation is
missing the --determinate flag; update the curl | sh command on line 206 to pass
--determinate to the installer (i.e., the sh -s -- install invocation should
include --determinate) so the installer runs in Determinate's managed/pinned
mode.

Comment thread Makefile
Comment on lines +645 to +648
.PHONY: shell-check-dev
shell-check-dev: ## Run ShellCheck inside the Nix dev shell (mirrors CI).
@echo "🔍 Running ShellCheck inside the Nix dev shell..."
@DEVENV_ROOT=$(CURDIR) $(NIX_ALLOW_UNFREE) $(NIX_EXEC) develop $(NIX_FLAGS) .# --command $(MAKE) shell-check

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⚠️ Potential issue | 🟡 Minor

checkmake warns missing all / clean phony targets—add minimal stubs if you care about that policy.

If you want to satisfy checkmake’s minphony, consider adding:

+.PHONY: all
+all: help ## Default “all” target.
+
+.PHONY: clean
+clean: ## No-op clean (dotfiles repo).
+	@true

Committable suggestion skipped: line range outside the PR's diff.

🧰 Tools
🪛 checkmake (0.2.2)

[warning] 645-645: Missing required phony target "all"

(minphony)


[warning] 645-645: Missing required phony target "clean"

(minphony)

🤖 Prompt for AI Agents
In Makefile around lines 645 to 648, checkmake warns that `all` and `clean` are
missing as phony targets; add minimal stub targets named `all` and `clean` and
mark them phony so the policy is satisfied. Create simple no-op implementations
(e.g., a brief echo or a `true`/`:` command) for each target and ensure they are
listed in the .PHONY declaration so they don’t conflict with files of the same
name.

Comment thread overlays/default.nix
Comment on lines +21 to +33
(final: prev: {
# Fix shellspec wrapper script that breaks when called via symlinks
shellspec = prev.shellspec.overrideAttrs (oldAttrs: {
postInstall = (oldAttrs.postInstall or "") + ''
# Replace the wrapper with one that uses an absolute path
cat > $out/bin/shellspec << EOF
#!${prev.bash}/bin/sh
exec "$out/lib/shellspec/shellspec" "\$@"
EOF
chmod +x $out/bin/shellspec
'';
});
})

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⚠️ Potential issue | 🔴 Critical

Fix the generated shellspec wrapper (indented heredoc breaks the shebang).

Because the heredoc content is indented in the Nix string, the produced file will likely start with spaces before #!, causing execution failures.

Suggested patch (also switches to a clearer shebang):

   (final: prev: {
     # Fix shellspec wrapper script that breaks when called via symlinks
     shellspec = prev.shellspec.overrideAttrs (oldAttrs: {
       postInstall = (oldAttrs.postInstall or "") + ''
-        # Replace the wrapper with one that uses an absolute path
-        cat > $out/bin/shellspec << EOF
-        #!${prev.bash}/bin/sh
-        exec "$out/lib/shellspec/shellspec" "\$@"
-        EOF
-        chmod +x $out/bin/shellspec
+        # Replace the wrapper with one that uses an absolute path
+        real="$out/lib/shellspec/shellspec"
+        printf '%s\n' \
+          '#!${prev.runtimeShell}' \
+          "exec \"$real\" \"\$@\"" \
+          > "$out/bin/shellspec"
+        chmod +x "$out/bin/shellspec"
       '';
     });
   })

As per coding guidelines, keep Nix formatting consistent and prefer unambiguous wrapper generation.

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
(final: prev: {
# Fix shellspec wrapper script that breaks when called via symlinks
shellspec = prev.shellspec.overrideAttrs (oldAttrs: {
postInstall = (oldAttrs.postInstall or "") + ''
# Replace the wrapper with one that uses an absolute path
cat > $out/bin/shellspec << EOF
#!${prev.bash}/bin/sh
exec "$out/lib/shellspec/shellspec" "\$@"
EOF
chmod +x $out/bin/shellspec
'';
});
})
(final: prev: {
# Fix shellspec wrapper script that breaks when called via symlinks
shellspec = prev.shellspec.overrideAttrs (oldAttrs: {
postInstall = (oldAttrs.postInstall or "") + ''
# Replace the wrapper with one that uses an absolute path
real="$out/lib/shellspec/shellspec"
printf '%s\n' \
'#!${prev.runtimeShell}' \
"exec \"$real\" \"\$@\"" \
> "$out/bin/shellspec"
chmod +x "$out/bin/shellspec"
'';
});
})
🤖 Prompt for AI Agents
In overlays/default.nix around lines 21 to 33, the indented heredoc in
postInstall will write leading spaces before the shebang (breaking execution);
remove the indentation so the heredoc marker and its contents start in column 1
and use an unquoted EOF (so ${prev.bash} is expanded at build time) to write a
clean wrapper whose first line is exactly #!${prev.bash}/bin/sh, then set
executable permissions as before; ensure the heredoc terminator EOF is also at
column 1 so no extra whitespace is introduced.

@shunkakinoki
shunkakinoki merged commit c8b3c6e into main Dec 13, 2025
25 checks passed
@shunkakinoki
shunkakinoki deleted the kyber branch December 13, 2025 01:33
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2 participants