Integrate dream2nix outputs into main flake - #234
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Pull Request Overview
This PR integrates dream2nix into the existing Nix flake to build and manage Node.js tools from package.json/lockfile. The integration adds dream2nix-powered packages and development shell while preserving existing flake configuration.
Key changes:
- Add dream2nix input and Node tools package generation
- Create development shell with Node.js and tools from package.json
- Document the dream2nix workflow for users
Reviewed Changes
Copilot reviewed 2 out of 3 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| flake.nix | Adds dream2nix input, generates node-tools package, and creates dev shell with Node.js tooling |
| README-nix.md | New documentation explaining dream2nix usage, build commands, and troubleshooting |
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| ]; | ||
| shellHook = '' | ||
| # Enable Corepack so Yarn/PNPM versions follow packageManager field | ||
| corepack enable || true |
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Using || true to suppress command failures can hide legitimate errors. Consider using a more explicit error handling approach or checking if corepack is available before enabling it.
| corepack enable || true | |
| if command -v corepack >/dev/null 2>&1; then | |
| corepack enable | |
| else | |
| echo "Warning: 'corepack' not found. Yarn/PNPM version management may not work as expected." | |
| fi |
| { pkgs, ... }: | ||
| { | ||
| home.packages = [ | ||
| (builtins.getFlake ".").packages.${builtins.currentSystem}.node-tools |
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Using builtins.getFlake with a relative path in Home Manager configuration is not recommended as it creates impure evaluations. Consider using a proper flake input or absolute path reference instead.
| (builtins.getFlake ".").packages.${builtins.currentSystem}.node-tools | |
| inputs.nodeToolsFlake.packages.${pkgs.system}.node-tools |
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| perSystem = | ||
| { ... }: | ||
| { system, pkgs, ... }: | ||
| let | ||
| # Build the workspace's Node tools using dream2nix. This reads package.json + | ||
| # lockfile from the repo root and exposes any dependency bins. | ||
| dream2nixOutputs = inputs.dream2nix.lib.makeFlakeOutputs { | ||
| systems = [ system ]; | ||
| config.projectRoot = ./.; | ||
| source = ./.; | ||
| packageOverrides = { }; | ||
| }; | ||
| nodeTools = dream2nixOutputs.packages.${system}.default; |
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[P1] Guard dream2nix integration against missing Node project
The new per-system block unconditionally calls inputs.dream2nix.lib.makeFlakeOutputs expecting a package.json and lockfile in the repository root, then exposes the result as nodeTools. The repository currently contains no package.json or lock file (see find . -name package.json … returning nothing), so evaluating the flake now fails before any other output can be used. This breaks all nix flake commands for users who do not have a Node workspace checked in. Please gate this call or default it to a no-op when no Node project is present so the flake remains evaluable.
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Code Review
This pull request successfully integrates dream2nix to manage Node.js tools and provides clear documentation for the new setup. The changes are well-structured and preserve existing configurations. I have a few suggestions to enhance the Nix code by applying common best practices for efficiency and robustness, and to improve the documentation with a more idiomatic example.
| config.projectRoot = ./.; | ||
| source = ./.; |
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There are a couple of improvements to be made here:
- The
config.projectRootargument is not a valid top-level argument formakeFlakeOutputsin this form.projectRootis a direct argument to the function, but it's not necessary here as it defaults to thesourcevalue. - Using
source = ./.;includes the entire project directory in the Nix store, including files that are not needed for the build (e.g.,.gitdirectory). It's a best practice to filter the source to only include necessary files. You can usepkgs.lib.cleanSourcefor this, which by default filters out common version control files.
I suggest removing the config.projectRoot line and using pkgs.lib.cleanSource for the source.
source = pkgs.lib.cleanSource ./.;
| ```nix | ||
| { pkgs, ... }: | ||
| { | ||
| home.packages = [ | ||
| (builtins.getFlake ".").packages.${builtins.currentSystem}.node-tools | ||
| ]; | ||
| } | ||
| ``` |
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The Home Manager example uses (builtins.getFlake "."), which relies on the current working directory. This is not a robust pattern for consuming flakes. A more idiomatic approach is to add the flake as an input to the user's configuration.
I recommend updating the example to demonstrate this more common and robust pattern. For example:
"To use these packages in your Home Manager configuration, first add this repository as an input to your flake.nix:
# flake.nix
inputs.my-tools = {
url = "github:shunkakinoki/dotfiles"; # Or the path to this repo
};Then, you can add the package to home.packages in your Home Manager module:
# home-manager.nix
{ pkgs, inputs, ... }:
{
home.packages = [
inputs.my-tools.packages.${pkgs.system}.node-tools
];
}
```"| default = nodeTools; | ||
| }; | ||
|
|
||
| devShells.default = pkgs.mkShell { |
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For creating development shells that don't require a C/C++ compiler toolchain, it's better to use pkgs.mkShellNoCC instead of pkgs.mkShell. mkShell adds the standard environment (stdenv), which includes many build-time dependencies like GCC. mkShellNoCC creates a more lightweight shell, which is sufficient here since you are only adding Node.js and related tools to the PATH.
devShells.default = pkgs.mkShellNoCC {
|
Note Other AI code review bot(s) detectedCodeRabbit has detected other AI code review bot(s) in this pull request and will avoid duplicating their findings in the review comments. This may lead to a less comprehensive review. 📝 WalkthroughSummary by CodeRabbit
WalkthroughAdds extensive .gitignore rules; introduces Nix README and a flake devShell (Node.js 20 + Bun); switches package manager to Bun and bumps deps; adds Home Manager module to install global npm packages via Bun and exposes Bun in session PATH; updates shell init files and a submodule pointer. Changes
Sequence Diagram(s)sequenceDiagram
autonumber
actor Dev as Developer
participant Flake as flake.nix
participant PKGS as Nix pkgs
participant Shell as devShell
Dev->>Flake: run `nix develop`
Flake->>PKGS: request `nodejs_20` and `bun`
PKGS-->>Flake: provide packages
Flake->>Shell: instantiate devShell with packages + shellHook
Shell-->>Dev: interactive shell (Node & Bun available)
sequenceDiagram
autonumber
actor User as Home activation
participant HM as Home Manager
participant Act as installNpmGlobals
participant FS as ~/dotfiles/package.json
participant Bun as bun binary
User->>HM: activate home config
HM->>Act: run activation hook
Act->>Bun: ensure `$HOME/.bun/bin` in PATH, set `BUN_INSTALL`
Act->>FS: check for `package.json`
alt package.json exists
Act->>Bun: `bun install --global` (deps extracted from package.json)
Bun-->>Act: install result
else missing
Act-->>HM: skip install
end
Act-->>User: `$HOME/.bun/bin` present in session PATH
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~25 minutes Poem
Pre-merge checks and finishing touches✅ Passed checks (3 passed)
✨ Finishing touches🧪 Generate unit tests (beta)
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Pull Request Overview
Copilot reviewed 3 out of 6 changed files in this pull request and generated 1 comment.
Files not reviewed (1)
- pnpm-lock.yaml: Language not supported
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| dream2nixOutputs = inputs.dream2nix.lib.makeFlakeOutputs { | ||
| systems = [ system ]; | ||
| config.projectRoot = ./.; | ||
| source = ./.; |
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Empty packageOverrides object should be removed or documented if intentionally left for future customization.
| source = ./.; | |
| source = ./.; | |
| # Intentionally left empty for future package customizations. |
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Actionable comments posted: 0
♻️ Duplicate comments (4)
flake.nix (3)
163-163: PrefermkShellNoCCfor Node-only shell.Since this dev shell does not require a C/C++ compiler toolchain, use
pkgs.mkShellNoCCinstead ofpkgs.mkShellfor a more lightweight environment.Apply this diff:
- devShells.default = pkgs.mkShell { + devShells.default = pkgs.mkShellNoCC {
170-170: Avoid suppressing corepack errors.Using
|| trueto suppress command failures can hide legitimate errors. Consider checking if corepack is available before enabling it.Apply this diff:
shellHook = '' # Enable Corepack so Yarn/PNPM versions follow packageManager field - corepack enable || true + if command -v corepack >/dev/null 2>&1; then + corepack enable + else + echo "Warning: 'corepack' not found. Yarn/PNPM version management may not work as expected." + fi echo "Dev shell ready: Node + tools from package.json/lockfile are on PATH." '';
132-142: Remove invalidconfig.projectRootand filter source.Two issues noted by previous reviews remain unaddressed:
config.projectRootis not a valid top-level argument formakeFlakeOutputs. The function derives the project root fromsourceby default, so this line should be removed.- Using
source = ./.;includes the entire directory (including.git, etc.) in the Nix store. Usepkgs.lib.cleanSourceto filter out unnecessary files.Apply this diff:
let # Build the workspace's Node tools using dream2nix. This reads package.json + # lockfile from the repo root and exposes any dependency bins. dream2nixOutputs = inputs.dream2nix.lib.makeFlakeOutputs { systems = [ system ]; - config.projectRoot = ./.; - source = ./.; + source = pkgs.lib.cleanSource ./.; packageOverrides = { }; }; nodeTools = dream2nixOutputs.packages.${system}.default;README-nix.md (1)
30-37: Use idiomatic flake input pattern instead ofbuiltins.getFlake.The Home Manager example uses
builtins.getFlake ".", which is impure and relies on the current working directory. A more robust and idiomatic approach is to add this repository as a flake input.Replace the example with:
-Use in Home Manager (example): +Add this repository as a flake input in your configuration's `flake.nix`: +```nix +# flake.nix +inputs.my-tools = { + url = "github:shunkakinoki/dotfiles"; +}; +``` +Then use in Home Manager: ```nix { pkgs, ... }: { home.packages = [ - (builtins.getFlake ".").packages.${builtins.currentSystem}.node-tools + inputs.my-tools.packages.${pkgs.system}.node-tools ]; } ```
🧹 Nitpick comments (2)
flake.nix (1)
158-161: Alphabetize attribute names.Per the Nix coding guidelines, attribute sets should be sorted alphabetically.
defaultshould come beforenode-tools.Apply this diff:
packages = { - node-tools = nodeTools; default = nodeTools; + node-tools = nodeTools; };.gitignore (1)
64-211: Comprehensive ignore patterns added.The extensive additions cover common Node.js, build, and environment artifacts, which align well with the dream2nix integration. Note that
.envappears twice (lines 66 and 209), which is redundant but harmless.If desired, remove the duplicate
.enventry:.vite/ -.env .env.local
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⛔ Files ignored due to path filters (2)
flake.lockis excluded by!**/*.lockpnpm-lock.yamlis excluded by!**/pnpm-lock.yaml
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.gitignore(1 hunks)README-nix.md(1 hunks)flake.nix(3 hunks)package.json(1 hunks)
🧰 Additional context used
📓 Path-based instructions (3)
**/*.{js,ts,tsx,json}
📄 CodeRabbit inference engine (CLAUDE.md)
**/*.{js,ts,tsx,json}: Use 2-space indentation for JSON/JS/TS (Biome)
Enforce 80-character line width for JSON/JS/TS (Biome)
Use double quotes in JSON/JS/TS (Biome)
Use ES5 trailing commas in JSON/JS/TS (Biome)
Files:
package.json
**/*.nix
📄 CodeRabbit inference engine (CLAUDE.md)
Format all Nix files with nixfmt
**/*.nix: Nix: Use 2 spaces for indentation
Nix: Keep line length under 100 characters
Nix: Sort attribute sets alphabetically
Nix: Use consistent spacing around operators
Nix: Format lists and sets consistentlyFollow the Nix expression language style guide
Files:
flake.nix
flake.nix
📄 CodeRabbit inference engine (CLAUDE.md)
Use Nix Flakes with flake.nix as the entry point
Maintain the main Nix configuration in flake.nix
Files:
flake.nix
🧠 Learnings (3)
📚 Learning: 2025-09-28T16:25:07.125Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: CLAUDE.md:0-0
Timestamp: 2025-09-28T16:25:07.125Z
Learning: Applies to flake.nix : Use Nix Flakes with flake.nix as the entry point
Applied to files:
README-nix.mdflake.nix
📚 Learning: 2025-09-28T16:27:59.822Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/nix.mdc:0-0
Timestamp: 2025-09-28T16:27:59.822Z
Learning: Applies to home-manager/programs/**/*.nix : Use home.packages for package installations in program configurations
Applied to files:
README-nix.md
📚 Learning: 2025-09-28T16:26:18.516Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/general.mdc:0-0
Timestamp: 2025-09-28T16:26:18.516Z
Learning: Applies to flake.nix : Maintain the main Nix configuration in flake.nix
Applied to files:
README-nix.mdflake.nix
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🔇 Additional comments (4)
package.json (1)
1-17: LGTM!The package.json is well-formed and follows the coding guidelines (2-space indentation, double quotes, 80-character line width). Empty metadata fields (description, keywords, author) and the placeholder test script are acceptable for initial setup. The
packageManagerfield correctly specifies pnpm for dream2nix integration.flake.nix (2)
27-30: LGTM!The dream2nix input is correctly declared with a nixpkgs follow to avoid duplicating dependencies. The formatting adheres to the Nix style guidelines.
131-131: LGTM!Extending the perSystem signature to explicitly bind
systemandpkgsis correct and necessary for the dream2nix integration below.README-nix.md (1)
1-27: LGTM!The documentation clearly explains the dream2nix setup, prerequisites, and typical usage patterns. The examples are correct and helpful.
refactor(flake): remove dream2nix integration and simplify devShell
…d update devShells
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Actionable comments posted: 2
♻️ Duplicate comments (2)
flake.nix (2)
143-143: Consider usingmkShellNoCCfor lighter development shell.For development shells that only need Node.js tooling without C/C++ compilation,
pkgs.mkShellNoCCis more lightweight thanpkgs.mkShell, which includes the full standard environment with GCC and other build tools.Apply this diff:
- devShells.default = pkgs.mkShell { + devShells.default = pkgs.mkShellNoCC {
147-147: Improve error handling for corepack enablement.Using
|| truesuppresses all failures, including legitimate errors. Consider checking if corepack is available before attempting to enable it.Apply this diff:
- corepack enable || true + if command -v corepack >/dev/null 2>&1; then + corepack enable + else + echo "Warning: corepack not found. Yarn/PNPM management may not work." + fi
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⛔ Files ignored due to path filters (1)
bun.lockis excluded by!**/*.lock
📒 Files selected for processing (6)
.env.example(1 hunks)flake.nix(2 hunks)home-manager/modules/default.nix(1 hunks)home-manager/modules/npm-globals/default.nix(1 hunks)package.json(1 hunks)rules(1 hunks)
✅ Files skipped from review due to trivial changes (2)
- rules
- .env.example
🚧 Files skipped from review as they are similar to previous changes (1)
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🧰 Additional context used
📓 Path-based instructions (7)
**/*.nix
📄 CodeRabbit inference engine (CLAUDE.md)
Format all Nix files with nixfmt
**/*.nix: Nix: Use 2 spaces for indentation
Nix: Keep line length under 100 characters
Nix: Sort attribute sets alphabetically
Nix: Use consistent spacing around operators
Nix: Format lists and sets consistentlyFollow the Nix expression language style guide
Files:
flake.nixhome-manager/modules/npm-globals/default.nixhome-manager/modules/default.nix
flake.nix
📄 CodeRabbit inference engine (CLAUDE.md)
Use Nix Flakes with flake.nix as the entry point
Maintain the main Nix configuration in flake.nix
Files:
flake.nix
**/default.nix
📄 CodeRabbit inference engine (CLAUDE.md)
Use default.nix files for module exports
Files:
home-manager/modules/npm-globals/default.nixhome-manager/modules/default.nix
home-manager/**
📄 CodeRabbit inference engine (.cursor/rules/general.mdc)
Keep home-manager configurations under home-manager/
Files:
home-manager/modules/npm-globals/default.nixhome-manager/modules/default.nix
home-manager/modules/*/default.nix
📄 CodeRabbit inference engine (.cursor/rules/home-manager.mdc)
home-manager/modules/*/default.nix: Custom modules must be placed under home-manager/modules// and include a default.nix entry point
Custom modules should define typed options (mkOption with appropriate lib.types)
Custom modules must document all options (e.g., description fields in mkOption)
Use typed options whenever possible in modules
Follow Home Manager’s module structure (options + config with mkIf, mkEnableOption, etc.)
Files:
home-manager/modules/npm-globals/default.nix
home-manager/**/*.nix
📄 CodeRabbit inference engine (.cursor/rules/home-manager.mdc)
Use proper indentation and formatting in Nix files
Files:
home-manager/modules/npm-globals/default.nixhome-manager/modules/default.nix
home-manager/modules/**/default.nix
📄 CodeRabbit inference engine (.cursor/rules/nix.mdc)
home-manager/modules/**/default.nix: Each module under home-manager/modules must provide a clear default.nix entry point
Modules must include proper option declarations (e.g., options.modules. with mkEnableOption/mkOption)
Modules must follow the Home Manager module structure (define options and gate config with mkIf cfg.enable)
Use mkOption for configurable options in custom modules
Provide explicit typing for all options (using lib.types.*)
Document all custom modules and their options
Files:
home-manager/modules/npm-globals/default.nixhome-manager/modules/default.nix
🧠 Learnings (9)
📚 Learning: 2025-09-28T16:26:18.516Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/general.mdc:0-0
Timestamp: 2025-09-28T16:26:18.516Z
Learning: Applies to flake.nix : Maintain the main Nix configuration in flake.nix
Applied to files:
flake.nix
📚 Learning: 2025-09-28T16:27:59.822Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/nix.mdc:0-0
Timestamp: 2025-09-28T16:27:59.822Z
Learning: Applies to home-manager/programs/**/*.nix : Use home.packages for package installations in program configurations
Applied to files:
home-manager/modules/npm-globals/default.nix
📚 Learning: 2025-09-28T16:27:59.822Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/nix.mdc:0-0
Timestamp: 2025-09-28T16:27:59.822Z
Learning: Applies to home-manager/modules/**/default.nix : Document all custom modules and their options
Applied to files:
home-manager/modules/default.nix
📚 Learning: 2025-09-28T16:25:07.125Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: CLAUDE.md:0-0
Timestamp: 2025-09-28T16:25:07.125Z
Learning: Applies to **/default.nix : Use default.nix files for module exports
Applied to files:
home-manager/modules/default.nix
📚 Learning: 2025-09-28T16:27:24.275Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/home-manager.mdc:0-0
Timestamp: 2025-09-28T16:27:24.275Z
Learning: Applies to home-manager/modules/*/default.nix : Custom modules must be placed under home-manager/modules/<name>/ and include a default.nix entry point
Applied to files:
home-manager/modules/default.nix
📚 Learning: 2025-09-28T16:27:59.822Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/nix.mdc:0-0
Timestamp: 2025-09-28T16:27:59.822Z
Learning: Applies to home-manager/modules/**/default.nix : Each module under home-manager/modules must provide a clear default.nix entry point
Applied to files:
home-manager/modules/default.nix
📚 Learning: 2025-09-28T16:27:59.822Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/nix.mdc:0-0
Timestamp: 2025-09-28T16:27:59.822Z
Learning: Applies to home-manager/modules/**/default.nix : Modules must include proper option declarations (e.g., options.modules.<name> with mkEnableOption/mkOption)
Applied to files:
home-manager/modules/default.nix
📚 Learning: 2025-09-28T16:27:24.275Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/home-manager.mdc:0-0
Timestamp: 2025-09-28T16:27:24.275Z
Learning: Applies to home-manager/programs/*/default.nix : Program configurations should prefer Home Manager’s built-in modules when available
Applied to files:
home-manager/modules/default.nix
📚 Learning: 2025-09-28T16:27:24.275Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/home-manager.mdc:0-0
Timestamp: 2025-09-28T16:27:24.275Z
Learning: Applies to home-manager/modules/*/default.nix : Follow Home Manager’s module structure (options + config with mkIf, mkEnableOption, etc.)
Applied to files:
home-manager/modules/default.nix
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- GitHub Check: e2e-run (MacOS, macos-latest)
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🔇 Additional comments (3)
flake.nix (1)
127-127: LGTM!The explicit
systemandpkgsparameters are appropriate for the newdevShells.defaultdefinition below.home-manager/modules/default.nix (1)
6-6: LGTM!The addition of the npm-globals module follows the established pattern for module registration.
home-manager/modules/npm-globals/default.nix (1)
22-23: LGTM!The sessionPath addition correctly exposes pnpm's global binary directory, matching the PNPM_HOME location set in the activation script.
| { config, lib, pkgs, ... }: | ||
| { | ||
| # Install npm global packages from package.json using home-manager activation | ||
| home.activation.installNpmGlobals = lib.hm.dag.entryAfter [ "writeBoundary" ] '' | ||
| export PATH=${pkgs.nodejs_20}/bin:${pkgs.corepack}/bin:$PATH | ||
| export PNPM_HOME="$HOME/.local/share/pnpm" | ||
|
|
||
| # Enable corepack for pnpm | ||
| ${pkgs.corepack}/bin/corepack enable | ||
|
|
||
| # Install global packages from package.json if it exists | ||
| PACKAGE_JSON="${config.home.homeDirectory}/dotfiles/package.json" | ||
| if [ -f "$PACKAGE_JSON" ]; then | ||
| echo "Installing npm global packages from package.json..." | ||
| cd "${config.home.homeDirectory}/dotfiles" | ||
| ${pkgs.corepack}/bin/pnpm install --global \ | ||
| $(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON") 2>/dev/null || true | ||
| fi | ||
| ''; | ||
|
|
||
| # Add pnpm bin to PATH | ||
| home.sessionPath = [ | ||
| "$HOME/.local/share/pnpm" | ||
| ]; | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion | 🟠 Major
Add proper module structure with options and conditional configuration.
The module directly sets home.activation and home.sessionPath without declaring any options or providing an enable switch. Following Home Manager conventions and coding guidelines, modules should:
- Declare options (typically
options.modules.npm-globals.enablewithmkEnableOption) - Gate configuration with
mkIf cfg.enable - Document the module's purpose and options
Based on coding guidelines.
Apply this structure:
{ config, lib, pkgs, ... }:
+let
+ cfg = config.modules.npm-globals;
+in
{
+ options.modules.npm-globals = {
+ enable = lib.mkEnableOption "npm global package management via pnpm";
+
+ packageJsonPath = lib.mkOption {
+ type = lib.types.str;
+ default = "${config.home.homeDirectory}/dotfiles/package.json";
+ description = "Path to package.json containing global dependencies";
+ };
+ };
+
+ config = lib.mkIf cfg.enable {
# Install npm global packages from package.json using home-manager activation
home.activation.installNpmGlobals = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
export PATH=${pkgs.nodejs_20}/bin:${pkgs.corepack}/bin:$PATH
export PNPM_HOME="$HOME/.local/share/pnpm"
# Enable corepack for pnpm
${pkgs.corepack}/bin/corepack enable
# Install global packages from package.json if it exists
- PACKAGE_JSON="${config.home.homeDirectory}/dotfiles/package.json"
+ PACKAGE_JSON="${cfg.packageJsonPath}"
if [ -f "$PACKAGE_JSON" ]; then
echo "Installing npm global packages from package.json..."
- cd "${config.home.homeDirectory}/dotfiles"
+ cd "$(dirname "$PACKAGE_JSON")"
${pkgs.corepack}/bin/pnpm install --global \
$(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON") 2>/dev/null || true
fi
'';
# Add pnpm bin to PATH
home.sessionPath = [
"$HOME/.local/share/pnpm"
];
+ };
}🤖 Prompt for AI Agents
home-manager/modules/npm-globals/default.nix lines 1-25: the module currently
mutates home.activation and home.sessionPath unconditionally; add a proper
module structure by declaring an options attribute (e.g.,
options.modules.npm-globals.enable using lib.mkEnableOption with a helpful
description and default false), then wrap all configuration
(home.activation.installNpmGlobals and home.sessionPath additions) inside
lib.mkIf cfg.enable so they only apply when enabled; ensure the module returns a
config attribute (e.g., config = { ... } or use lib.mkIf to conditionally merge
into config.home.*) and include a short docstring in the option to explain the
purpose.
| home.activation.installNpmGlobals = lib.hm.dag.entryAfter [ "writeBoundary" ] '' | ||
| export PATH=${pkgs.nodejs_20}/bin:${pkgs.corepack}/bin:$PATH | ||
| export PNPM_HOME="$HOME/.local/share/pnpm" | ||
|
|
||
| # Enable corepack for pnpm | ||
| ${pkgs.corepack}/bin/corepack enable | ||
|
|
||
| # Install global packages from package.json if it exists | ||
| PACKAGE_JSON="${config.home.homeDirectory}/dotfiles/package.json" | ||
| if [ -f "$PACKAGE_JSON" ]; then | ||
| echo "Installing npm global packages from package.json..." | ||
| cd "${config.home.homeDirectory}/dotfiles" | ||
| ${pkgs.corepack}/bin/pnpm install --global \ | ||
| $(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON") 2>/dev/null || true | ||
| fi | ||
| ''; |
There was a problem hiding this comment.
Improve error handling and robustness in activation script.
The activation script has several concerns:
- Line 9:
corepack enableruns without checking if it succeeds - Line 17:
2>/dev/null || truesuppresses all errors, hiding:- Invalid JSON in package.json
- Failed pnpm installations
- Missing dependencies
- Line 15:
cdcould fail if dotfiles directory doesn't exist - Performance: Activation runs on every home-manager switch, potentially reinstalling packages unnecessarily
Consider these improvements:
home.activation.installNpmGlobals = lib.hm.dag.entryAfter [ "writeBoundary" ] ''
export PATH=${pkgs.nodejs_20}/bin:${pkgs.corepack}/bin:$PATH
export PNPM_HOME="$HOME/.local/share/pnpm"
# Enable corepack for pnpm
- ${pkgs.corepack}/bin/corepack enable
+ if ! ${pkgs.corepack}/bin/corepack enable; then
+ echo "Warning: Failed to enable corepack" >&2
+ fi
# Install global packages from package.json if it exists
PACKAGE_JSON="${config.home.homeDirectory}/dotfiles/package.json"
if [ -f "$PACKAGE_JSON" ]; then
echo "Installing npm global packages from package.json..."
- cd "${config.home.homeDirectory}/dotfiles"
- ${pkgs.corepack}/bin/pnpm install --global \
- $(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON") 2>/dev/null || true
+ PACKAGES=$(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON" 2>&1)
+ if [ $? -ne 0 ]; then
+ echo "Warning: Failed to parse package.json: $PACKAGES" >&2
+ elif [ -n "$PACKAGES" ]; then
+ if ! ${pkgs.corepack}/bin/pnpm install --global $PACKAGES; then
+ echo "Warning: Some packages failed to install" >&2
+ fi
+ fi
fi
'';📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| home.activation.installNpmGlobals = lib.hm.dag.entryAfter [ "writeBoundary" ] '' | |
| export PATH=${pkgs.nodejs_20}/bin:${pkgs.corepack}/bin:$PATH | |
| export PNPM_HOME="$HOME/.local/share/pnpm" | |
| # Enable corepack for pnpm | |
| ${pkgs.corepack}/bin/corepack enable | |
| # Install global packages from package.json if it exists | |
| PACKAGE_JSON="${config.home.homeDirectory}/dotfiles/package.json" | |
| if [ -f "$PACKAGE_JSON" ]; then | |
| echo "Installing npm global packages from package.json..." | |
| cd "${config.home.homeDirectory}/dotfiles" | |
| ${pkgs.corepack}/bin/pnpm install --global \ | |
| $(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON") 2>/dev/null || true | |
| fi | |
| ''; | |
| home.activation.installNpmGlobals = lib.hm.dag.entryAfter [ "writeBoundary" ] '' | |
| export PATH=${pkgs.nodejs_20}/bin:${pkgs.corepack}/bin:$PATH | |
| export PNPM_HOME="$HOME/.local/share/pnpm" | |
| # Enable corepack for pnpm | |
| if ! ${pkgs.corepack}/bin/corepack enable; then | |
| echo "Warning: Failed to enable corepack" >&2 | |
| fi | |
| # Install global packages from package.json if it exists | |
| PACKAGE_JSON="${config.home.homeDirectory}/dotfiles/package.json" | |
| if [ -f "$PACKAGE_JSON" ]; then | |
| echo "Installing npm global packages from package.json..." | |
| PACKAGES=$(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON" 2>&1) | |
| if [ $? -ne 0 ]; then | |
| echo "Warning: Failed to parse package.json: $PACKAGES" >&2 | |
| elif [ -n "$PACKAGES" ]; then | |
| if ! ${pkgs.corepack}/bin/pnpm install --global $PACKAGES; then | |
| echo "Warning: Some packages failed to install" >&2 | |
| fi | |
| fi | |
| fi | |
| ''; |
🤖 Prompt for AI Agents
In home-manager/modules/npm-globals/default.nix around lines 4 to 19, the
activation script runs corepack without checking its exit status, blindly cds
into dotfiles, silences all errors from jq/pnpm (hiding invalid JSON and install
failures), and may re-run installs on every switch; update the script to (1)
check the exit code of `${pkgs.corepack}/bin/corepack enable` and log+exit on
failure, (2) verify the dotfiles directory exists before cd and skip with a
logged message if missing, (3) validate PACKAGE_JSON with `${pkgs.jq}` and fail
gracefully when JSON is invalid (log the jq error instead of redirecting to
/dev/null), (4) run `${pkgs.corepack}/bin/pnpm install --global` and capture its
exit code, logging any failures instead of using `|| true`, and (5) avoid
unnecessary reinstalls by adding a cheap guard (e.g., check for a
lockfile/marker or verify installed packages with `pnpm list -g` before running
install) so activation is idempotent and failures are visible.
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Pull Request Overview
Copilot reviewed 10 out of 12 changed files in this pull request and generated 3 comments.
Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.
| direnv hook fish | source | ||
| ''; | ||
| loginShellInit = '' | ||
| fish_add_path -p ~/.bun/bin |
There was a problem hiding this comment.
Duplicate Bun path addition. The same fish_add_path -p ~/.bun/bin command is added in both loginShellInit and interactiveShellInit, which is redundant.
| _hm_load_env_file | ||
| set fish_greeting | ||
| set fish_theme dracula | ||
| fish_add_path -p ~/.bun/bin |
There was a problem hiding this comment.
Duplicate Bun path addition. The same fish_add_path -p ~/.bun/bin command is added in both loginShellInit and interactiveShellInit, which is redundant.
| fish_add_path -p ~/.bun/bin | |
| echo "Installing npm global packages from package.json using bun..." | ||
| cd "${config.home.homeDirectory}/dotfiles" | ||
| ${pkgs.bun}/bin/bun install --global \ | ||
| $(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON") 2>/dev/null || true |
There was a problem hiding this comment.
The command silently ignores all errors with 2>/dev/null || true, which could hide legitimate installation failures. Consider logging errors or using more specific error handling.
| $(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON") 2>/dev/null || true | |
| $(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON") | |
| if [ $? -ne 0 ]; then | |
| echo "Error: Failed to install npm global packages from package.json using bun." >&2 | |
| fi |
There was a problem hiding this comment.
Actionable comments posted: 0
♻️ Duplicate comments (2)
home-manager/modules/npm-globals/default.nix (2)
1-22: Add proper module structure with options and conditional configuration.The module directly sets
home.activationandhome.sessionPathwithout declaring any options or providing an enable switch. Custom Home Manager modules must define typed options, document them, and gate configuration withmkIf cfg.enable.As per coding guidelines and based on learnings.
Apply this structure:
{ config, lib, pkgs, ... }: +let + cfg = config.modules.npm-globals; +in { + options.modules.npm-globals = { + enable = lib.mkEnableOption "npm global package management via Bun"; + + packageJsonPath = lib.mkOption { + type = lib.types.str; + default = "${config.home.homeDirectory}/dotfiles/package.json"; + description = "Path to package.json containing global dependencies"; + }; + }; + + config = lib.mkIf cfg.enable { # Install npm global packages from package.json using home-manager activation home.activation.installNpmGlobals = lib.hm.dag.entryAfter [ "writeBoundary" ] '' - export PATH=${pkgs.bun}/bin:$PATH + export PATH=${pkgs.bun}/bin:$PATH export BUN_INSTALL="$HOME/.bun" # Install global packages from package.json if it exists - PACKAGE_JSON="${config.home.homeDirectory}/dotfiles/package.json" + PACKAGE_JSON="${cfg.packageJsonPath}" if [ -f "$PACKAGE_JSON" ]; then echo "Installing npm global packages from package.json using bun..." - cd "${config.home.homeDirectory}/dotfiles" + cd "$(dirname "$PACKAGE_JSON")" ${pkgs.bun}/bin/bun install --global \ $(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON") 2>/dev/null || true fi ''; # Add bun bin to PATH home.sessionPath = [ "$HOME/.bun/bin" ]; + }; }
4-16: Improve error handling and robustness in activation script.The activation script suppresses all errors and lacks validation, which can hide failures:
- Line 12:
cdcould fail if the dotfiles directory doesn't exist- Line 14:
2>/dev/null || truesuppresses all errors, hiding:
- Invalid JSON in package.json
- Failed Bun installations
- Missing dependencies
- No validation of
PACKAGE_JSONcontent before parsing- Performance: Activation runs on every home-manager switch, potentially reinstalling packages unnecessarily
Consider these improvements:
home.activation.installNpmGlobals = lib.hm.dag.entryAfter [ "writeBoundary" ] '' export PATH=${pkgs.bun}/bin:$PATH export BUN_INSTALL="$HOME/.bun" # Install global packages from package.json if it exists PACKAGE_JSON="${config.home.homeDirectory}/dotfiles/package.json" if [ -f "$PACKAGE_JSON" ]; then echo "Installing npm global packages from package.json using bun..." - cd "${config.home.homeDirectory}/dotfiles" - ${pkgs.bun}/bin/bun install --global \ - $(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON") 2>/dev/null || true + PACKAGES=$(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON" 2>&1) + if [ $? -ne 0 ]; then + echo "Warning: Failed to parse package.json: $PACKAGES" >&2 + elif [ -n "$PACKAGES" ]; then + if ! ${pkgs.bun}/bin/bun install --global $PACKAGES; then + echo "Warning: Some packages failed to install" >&2 + fi + fi fi '';
🧹 Nitpick comments (1)
flake.nix (1)
143-151: Consider using mkShellNoCC for a lighter dev shell.
pkgs.mkShellincludes the standard environment (stdenv) with C/C++ build tools (GCC, etc.), which are unnecessary here since only Node.js and Bun are needed. Usingpkgs.mkShellNoCCcreates a more lightweight shell environment.Apply this diff to switch to
mkShellNoCC:- devShells.default = pkgs.mkShell { + devShells.default = pkgs.mkShellNoCC { packages = [ pkgs.nodejs_20 pkgs.bun
📜 Review details
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📒 Files selected for processing (5)
flake.nix(2 hunks)home-manager/modules/npm-globals/default.nix(1 hunks)home-manager/programs/bash/default.nix(1 hunks)home-manager/programs/fish/default.nix(2 hunks)home-manager/programs/zsh/default.nix(1 hunks)
✅ Files skipped from review due to trivial changes (1)
- home-manager/programs/bash/default.nix
🧰 Additional context used
📓 Path-based instructions (10)
**/*.nix
📄 CodeRabbit inference engine (CLAUDE.md)
Format all Nix files with nixfmt
**/*.nix: Nix: Use 2 spaces for indentation
Nix: Keep line length under 100 characters
Nix: Sort attribute sets alphabetically
Nix: Use consistent spacing around operators
Nix: Format lists and sets consistentlyFollow the Nix expression language style guide
Files:
home-manager/programs/zsh/default.nixhome-manager/programs/fish/default.nixflake.nixhome-manager/modules/npm-globals/default.nix
**/default.nix
📄 CodeRabbit inference engine (CLAUDE.md)
Use default.nix files for module exports
Files:
home-manager/programs/zsh/default.nixhome-manager/programs/fish/default.nixhome-manager/modules/npm-globals/default.nix
home-manager/**
📄 CodeRabbit inference engine (.cursor/rules/general.mdc)
Keep home-manager configurations under home-manager/
Files:
home-manager/programs/zsh/default.nixhome-manager/programs/fish/default.nixhome-manager/modules/npm-globals/default.nix
home-manager/programs/*/default.nix
📄 CodeRabbit inference engine (.cursor/rules/home-manager.mdc)
home-manager/programs/*/default.nix: Program configurations must be located in home-manager/programs// with configuration in default.nix
Program configurations should prefer Home Manager’s built-in modules when available
Program configurations should include all necessary dependencies
Program configurations should follow the provided template (programs..enable, package, and settings attrset)
Files:
home-manager/programs/zsh/default.nixhome-manager/programs/fish/default.nix
home-manager/**/*.nix
📄 CodeRabbit inference engine (.cursor/rules/home-manager.mdc)
Use proper indentation and formatting in Nix files
Files:
home-manager/programs/zsh/default.nixhome-manager/programs/fish/default.nixhome-manager/modules/npm-globals/default.nix
home-manager/programs/**/default.nix
📄 CodeRabbit inference engine (.cursor/rules/nix.mdc)
Program configurations in home-manager/programs should be organized by program name (one directory per program with a default.nix)
Files:
home-manager/programs/zsh/default.nixhome-manager/programs/fish/default.nix
home-manager/programs/**/*.nix
📄 CodeRabbit inference engine (.cursor/rules/nix.mdc)
home-manager/programs/**/*.nix: Program configurations should include all necessary dependencies
Use home.packages for package installations in program configurations
Use programs. options provided by Home Manager when available
Files:
home-manager/programs/zsh/default.nixhome-manager/programs/fish/default.nix
flake.nix
📄 CodeRabbit inference engine (CLAUDE.md)
Use Nix Flakes with flake.nix as the entry point
Maintain the main Nix configuration in flake.nix
Files:
flake.nix
home-manager/modules/*/default.nix
📄 CodeRabbit inference engine (.cursor/rules/home-manager.mdc)
home-manager/modules/*/default.nix: Custom modules must be placed under home-manager/modules// and include a default.nix entry point
Custom modules should define typed options (mkOption with appropriate lib.types)
Custom modules must document all options (e.g., description fields in mkOption)
Use typed options whenever possible in modules
Follow Home Manager’s module structure (options + config with mkIf, mkEnableOption, etc.)
Files:
home-manager/modules/npm-globals/default.nix
home-manager/modules/**/default.nix
📄 CodeRabbit inference engine (.cursor/rules/nix.mdc)
home-manager/modules/**/default.nix: Each module under home-manager/modules must provide a clear default.nix entry point
Modules must include proper option declarations (e.g., options.modules. with mkEnableOption/mkOption)
Modules must follow the Home Manager module structure (define options and gate config with mkIf cfg.enable)
Use mkOption for configurable options in custom modules
Provide explicit typing for all options (using lib.types.*)
Document all custom modules and their options
Files:
home-manager/modules/npm-globals/default.nix
🧠 Learnings (8)
📚 Learning: 2025-09-28T16:26:18.516Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/general.mdc:0-0
Timestamp: 2025-09-28T16:26:18.516Z
Learning: Applies to flake.nix : Maintain the main Nix configuration in flake.nix
Applied to files:
flake.nix
📚 Learning: 2025-09-28T16:27:59.822Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/nix.mdc:0-0
Timestamp: 2025-09-28T16:27:59.822Z
Learning: Applies to home-manager/modules/**/default.nix : Modules must follow the Home Manager module structure (define options and gate config with mkIf cfg.enable)
Applied to files:
home-manager/modules/npm-globals/default.nix
📚 Learning: 2025-09-28T16:27:24.275Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/home-manager.mdc:0-0
Timestamp: 2025-09-28T16:27:24.275Z
Learning: Applies to home-manager/modules/*/default.nix : Follow Home Manager’s module structure (options + config with mkIf, mkEnableOption, etc.)
Applied to files:
home-manager/modules/npm-globals/default.nix
📚 Learning: 2025-09-28T16:27:59.822Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/nix.mdc:0-0
Timestamp: 2025-09-28T16:27:59.822Z
Learning: Applies to home-manager/modules/**/default.nix : Modules must include proper option declarations (e.g., options.modules.<name> with mkEnableOption/mkOption)
Applied to files:
home-manager/modules/npm-globals/default.nix
📚 Learning: 2025-09-28T16:27:24.275Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/home-manager.mdc:0-0
Timestamp: 2025-09-28T16:27:24.275Z
Learning: Applies to home-manager/modules/*/default.nix : Custom modules must document all options (e.g., description fields in mkOption)
Applied to files:
home-manager/modules/npm-globals/default.nix
📚 Learning: 2025-09-28T16:27:59.822Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/nix.mdc:0-0
Timestamp: 2025-09-28T16:27:59.822Z
Learning: Applies to home-manager/modules/**/default.nix : Use mkOption for configurable options in custom modules
Applied to files:
home-manager/modules/npm-globals/default.nix
📚 Learning: 2025-09-28T16:27:24.275Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/home-manager.mdc:0-0
Timestamp: 2025-09-28T16:27:24.275Z
Learning: Applies to home-manager/modules/*/default.nix : Custom modules should define typed options (mkOption with appropriate lib.types)
Applied to files:
home-manager/modules/npm-globals/default.nix
📚 Learning: 2025-09-28T16:27:59.822Z
Learnt from: CR
PR: shunkakinoki/dotfiles#0
File: .cursor/rules/nix.mdc:0-0
Timestamp: 2025-09-28T16:27:59.822Z
Learning: Applies to home-manager/modules/**/default.nix : Document all custom modules and their options
Applied to files:
home-manager/modules/npm-globals/default.nix
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🔇 Additional comments (4)
home-manager/programs/zsh/default.nix (1)
33-34: LGTM: Bun PATH export is correct and consistent.The Bun PATH export aligns with similar augmentations in Fish and Bash modules, ensuring uniform Bun binary availability across shells.
flake.nix (1)
127-127: LGTM: Explicit perSystem parameters improve clarity.The updated function signature makes the dependencies explicit, which is a good practice for maintainability.
home-manager/programs/fish/default.nix (2)
9-9: LGTM: Bun PATH added to login shell initialization.The
fish_add_path -pcommand correctly prepends the Bun binary directory to the PATH in login shells, consistent with other PATH augmentations in this block.
20-20: LGTM: Bun PATH added to interactive shell initialization.The
fish_add_path -pcommand correctly prepends the Bun binary directory to the PATH in interactive shells, ensuring consistency with the login shell configuration.
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Copilot reviewed 10 out of 12 changed files in this pull request and generated 2 comments.
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| echo "Installing npm global packages from package.json using bun..." | ||
| cd "${config.home.homeDirectory}/dotfiles" | ||
| ${pkgs.bun}/bin/bun install --global \ | ||
| $(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON") 2>/dev/null || true |
There was a problem hiding this comment.
The command suppresses all errors with 2>/dev/null || true, which could hide important installation failures. Consider logging errors or providing more specific error handling.
| $(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON") 2>/dev/null || true | |
| $(${pkgs.jq}/bin/jq -r '.dependencies | keys[]' "$PACKAGE_JSON") 2>>"$HOME/.bun-install-errors.log" |
Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
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Pull Request Overview
Copilot reviewed 10 out of 12 changed files in this pull request and generated 1 comment.
Tip: Customize your code reviews with copilot-instructions.md. Create the file or learn how to get started.
| # Install npm global packages from package.json using home-manager activation | ||
| home.activation.installNpmGlobals = lib.hm.dag.entryAfter [ "writeBoundary" ] '' | ||
| export PATH=${pkgs.bun}/bin:$PATH | ||
| export BUN_INSTALL="$HOME/.bun" | ||
|
|
||
| # Install global packages from package.json if it exists | ||
| PACKAGE_JSON="${config.home.homeDirectory}/dotfiles/package.json" | ||
| if [ -f "$PACKAGE_JSON" ]; then | ||
| echo "Installing npm global packages from package.json using bun..." | ||
| cd "${config.home.homeDirectory}/dotfiles" |
There was a problem hiding this comment.
The hardcoded 'dotfiles' directory path assumes a specific repository name and location. This reduces portability if the repository is cloned to a different directory name.
| # Install npm global packages from package.json using home-manager activation | |
| home.activation.installNpmGlobals = lib.hm.dag.entryAfter [ "writeBoundary" ] '' | |
| export PATH=${pkgs.bun}/bin:$PATH | |
| export BUN_INSTALL="$HOME/.bun" | |
| # Install global packages from package.json if it exists | |
| PACKAGE_JSON="${config.home.homeDirectory}/dotfiles/package.json" | |
| if [ -f "$PACKAGE_JSON" ]; then | |
| echo "Installing npm global packages from package.json using bun..." | |
| cd "${config.home.homeDirectory}/dotfiles" | |
| # Optionally allow configuring the dotfiles directory location | |
| dotfilesDirectory = config.dotfilesDirectory or "${config.home.homeDirectory}/dotfiles"; | |
| # Install npm global packages from package.json using home-manager activation | |
| home.activation.installNpmGlobals = lib.hm.dag.entryAfter [ "writeBoundary" ] '' | |
| export PATH=${pkgs.bun}/bin:$PATH | |
| export BUN_INSTALL="$HOME/.bun" | |
| # Install global packages from package.json if it exists | |
| PACKAGE_JSON="${dotfilesDirectory}/package.json" | |
| if [ -f "$PACKAGE_JSON" ]; then | |
| echo "Installing npm global packages from package.json using bun..." | |
| cd "${dotfilesDirectory}" |
Summary
Testing
https://chatgpt.com/codex/tasks/task_e_68d6942ed37883249279f36aa0c7c487