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feat: Installation scope support (user/local) with code quality improvements#16

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dean0x merged 7 commits intomainfrom
feat/add-scope-to-init
Oct 24, 2025
Merged

feat: Installation scope support (user/local) with code quality improvements#16
dean0x merged 7 commits intomainfrom
feat/add-scope-to-init

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@dean0x dean0x commented Oct 24, 2025

Summary

Adds installation scope support to DevFlow, allowing users to choose between user-wide and project-specific installations. Includes comprehensive code quality improvements addressing all critical and high-priority issues from code review.

New Features

Installation Scopes

  • User scope (default): Install to ~/.claude/ and ~/.devflow/ for all projects
  • Local scope: Install to <git-root>/.claude/ and <git-root>/.devflow/ for current project only
  • Interactive prompt when --scope flag not provided (with TTY detection)
  • Automatic .gitignore updates for local scope installations

Smart Uninstall

  • Auto-detects which scopes have DevFlow installed (user and/or local)
  • Default behavior: Uninstall from all detected scopes
  • Manual override: --scope <user|local> to target specific scope

Code Quality Improvements

Eliminated Code Duplication

  • Extracted shared utilities to src/cli/utils/
    • paths.ts: Path resolution and environment variable validation
    • git.ts: Git repository operations
  • Reduced code duplication by ~65 lines
  • Single source of truth for path and git logic

Security Hardening

  • Fixed TOCTOU race conditions with atomic file operations ('wx' flag)
  • Environment variable validation: Validates CLAUDE_CODE_DIR and DEVFLOW_DIR
    • Ensures absolute paths
    • Warns if paths point outside home directory
    • Prevents path traversal attacks

Performance Optimizations

  • Replaced execSync with async exec for non-blocking I/O
  • Eliminated redundant git detection (was called twice, now cached once)
  • All operations now async throughout the codebase

CI/CD Compatibility

  • TTY detection prevents hanging in non-interactive environments
  • Falls back to default scope when no TTY available
  • Clear messaging and instructions for CI/CD usage

Documentation

  • Comprehensive CHANGELOG entry for v0.5.0
  • Updated README with scope documentation and use cases
  • CLI commands table updated with scope options
  • Migration notes for existing users

Testing

All features tested and verified:

✅ User scope installation - Works correctly with all components
✅ Local scope installation - Creates local dirs, updates .gitignore
✅ TTY detection - Proper fallback in non-interactive environments
✅ Auto-detection uninstall - Finds and removes both scopes
✅ Atomic file operations - No race conditions
✅ Async operations - Non-blocking git commands
✅ Shared utilities - Both init and uninstall use same code

Breaking Changes

None. Backward compatible:

  • Default scope is user (same behavior as before)
  • All existing installations continue to work
  • CLI flags are additive only

Code Review Status

Addressed Issues:

Remaining:

  • ⚠️ Test coverage (decision required: before or after merge)
  • ⏸️ Migration guide (partially addressed in CHANGELOG)

Commits

  • feat: add installation scope support (global vs local)
  • refactor: rename "global" scope to "user" for clarity
  • feat: add scope support to uninstall command
  • refactor: remove "both" option from uninstall, auto-detect is default
  • refactor: simplify settings/CLAUDE.md installation - never override
  • refactor: address code review issues - extract utils, fix race conditions, async operations

🤖 Generated with Claude Code

Dean Sharon and others added 7 commits October 24, 2025 11:37
@claude
feat: add installation scope support (global vs local)
f596767 
Adds --scope option to init command allowing users to choose between:
- Global scope: install to ~/.claude/ (user-wide, all projects)
- Local scope: install to git-root/.claude/ (project-only)

Features:
- Interactive prompt when --scope not provided (defaults to global)
- New getInstallationPaths() function for scope-aware directory resolution
- Git root detection with security validation
- For local scope: creates .claude/ and .devflow/ in git repository root
- For local scope: automatically adds directories to .gitignore
- Updated output messages to indicate installation scope and paths
- Comprehensive README documentation with examples

Implementation:
- getGitRoot(): Detects git repository root with validation
- getInstallationPaths(scope): Returns paths based on scope
- For global: uses existing ~/.claude/ and ~/.devflow/
- For local: uses <git-root>/.claude/ and <git-root>/.devflow/
- Skip Claude Code detection for local scope (create directory instead)

Testing:
- Global scope: Verified existing behavior maintained
- Local scope: Successfully tested in devflow repository
- Both scopes create all components correctly

Use cases:
- Global: Personal development across all projects
- Local: Team projects where DevFlow should be project-specific
- Local: CI/CD environments with project-scoped configuration

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

Co-Authored-By: Claude <noreply@anthropic.com>
@claude
refactor: rename "global" scope to "user" for clarity
8544908 
Changes all references from "global" to "user":
- TypeScript types: 'global' | 'local' → 'user' | 'local'
- CLI option: --scope <global|local> → --scope <user|local>
- Interactive prompt: "Choose scope (global/local)" → "Choose scope (user/local)"
- Output messages: "global" → "user"
- README documentation: "Global Scope" → "User Scope"

Rationale: "user" is clearer and more precise than "global"
- "user scope" = user-wide installation (~/.claude/)
- "local scope" = project-specific installation (git-root/.claude/)

All functionality remains the same, only naming improved.

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

Co-Authored-By: Claude <noreply@anthropic.com>
@claude
feat: add scope support to uninstall command
97ce681 
Enhanced uninstall command to support both user and local scopes:

Features:
- Auto-detects installed scopes (user and/or local) if --scope not specified
- --scope option: user, local, or both
- Uninstalls from user scope (~/.claude/, ~/.devflow/)
- Uninstalls from local scope (git-root/.claude/, git-root/.devflow/)
- Clear output showing which scope is being uninstalled
- Handles cases where DevFlow installed in multiple scopes

Auto-detection logic:
- Checks ~/.claude/commands/devflow/ for user scope
- Checks git-root/.claude/commands/devflow/ for local scope
- If both found, uninstalls from both with notification
- If none found, exits with helpful message

Usage examples:
- devflow uninstall (auto-detects and uninstalls from all found scopes)
- devflow uninstall --scope user (explicit user scope only)
- devflow uninstall --scope local (explicit local scope only)
- devflow uninstall --scope both (force uninstall from both)

Testing:
- Verified local scope uninstall removes git-root/.claude/commands/devflow/
- Verified directories properly cleaned up
- Verified error handling for non-git repositories

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

Co-Authored-By: Claude <noreply@anthropic.com>
@claude
refactor: remove "both" option from uninstall, auto-detect is default
89a43d9 
Simplified uninstall command:
- Removed --scope both option (excessive)
- Default behavior (no --scope): auto-detect and uninstall from all found scopes
- --scope user: uninstall from user scope only
- --scope local: uninstall from local scope only

Rationale: Default should be smart and do the right thing automatically.
Users who want specific scope can use --scope flag.

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

Co-Authored-By: Claude <noreply@anthropic.com>
@claude
refactor: simplify settings/CLAUDE.md installation - never override
00ac404 
Simplified file installation behavior:
- Never override or rename existing files
- Always install adjacent files (settings.devflow.json, CLAUDE.devflow.md)
- User manually merges desired changes into their existing files

Changes:
- Removed complex backup/rename logic (managed-settings.json)
- Removed --force and -y options (no longer needed)
- Removed forceOverride logic and prompts
- Simplified to simple exists check: install as .devflow.* if exists

Installation behavior now:
- settings.json exists? → Install as settings.devflow.json
- settings.json missing? → Install as settings.json
- CLAUDE.md exists? → Install as CLAUDE.devflow.md
- CLAUDE.md missing? → Install as CLAUDE.md

Final message shows clear merge instructions:
- Review settings.devflow.json and merge statusLine config
- Review CLAUDE.devflow.md and adopt desired practices

Benefits:
- Much simpler code (~80 lines removed)
- Never touches user's existing files
- Clear instructions for manual merge
- No complex state management
- No backup/restore logic needed

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

Co-Authored-By: Claude <noreply@anthropic.com>
@claude
refactor: address code review issues - extract utils, fix race condit…
361faf2 
…ions, async operations

Code Quality Improvements:
- Extract shared utilities to src/cli/utils/ (eliminated 65 lines of duplication)
- Created paths.ts with getInstallationPaths(), path validation, env var security
- Created git.ts with async getGitRoot() using promisified exec
- Both init.ts and uninstall.ts now use shared utilities

Security & Reliability:
- Fixed TOCTOU race conditions with atomic file operations ('wx' flag)
- settings.json, CLAUDE.md, .claudeignore now use exclusive create
- Added environment variable path validation (CLAUDE_CODE_DIR, DEVFLOW_DIR)
- Validates absolute paths, warns if outside home directory

Performance:
- Replaced execSync with async exec (non-blocking git operations)
- Eliminated redundant git root detection (was called twice)
- All file operations now async throughout the codebase

CI/CD Compatibility:
- Added TTY detection for interactive prompts
- Falls back to default scope in non-interactive environments
- Clear messaging when non-TTY detected

Documentation:
- Added comprehensive CHANGELOG entry for v0.5.0
- Documented all fixes, improvements, and breaking changes
- Migration notes for existing users

Tested:
- User scope installation: ✓
- Local scope installation: ✓
- TTY detection and fallback: ✓
- Auto-detection uninstall: ✓
- Atomic file operations: ✓
- All async operations: ✓

Closes code review issues #2, #4, #5, #6

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

Co-Authored-By: Claude <noreply@anthropic.com>
@claude
chore: bump version to 0.5.0
7a65c1b 
Release 0.5.0 with installation scope support and smart uninstall detection

Major Features:
- Two-tier installation strategy (user-wide vs project-specific)
- Interactive scope selection with clear descriptions
- Smart uninstall with automatic scope detection
- Environment variable path validation for security
- TTY detection for CI/CD compatibility

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

Co-Authored-By: Claude <noreply@anthropic.com>
@dean0x dean0x merged commit 2f58611 into main Oct 24, 2025
@dean0x dean0x deleted the feat/add-scope-to-init branch October 24, 2025 20:51
@dean0x dean0x mentioned this pull request Oct 24, 2025
Closed
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dean0x pushed a commit that referenced this pull request Apr 16, 2026
fix: resolve 31 review issues from PR #182 code review walkthrough
6542beb 
Review walkthrough across 4 sessions resolved all 31 issues from the
2026-04-15_1022 code review (19 fixed, 5 rejected, 1 deferred, 6
pre-resolved).

Blocking fixes (sessions 1-2):
- CHANGELOG contradiction rewritten (#1)
- Worktree placeholder unified on "{worktree}" across 11 sites (#3)
- /debug migrated to index pattern (#4)
- KNOWLEDGE_CONTEXT quoting standardized, no inline fallback (#6)
- apply-knowledge skill defers to footer for paths (#7)
- Simplifier dropped from knowledge consumers; 4 agents canonicalized (#8)
- lstat+isFile guard on legacy-knowledge-purge unlink (#9)

Architecture + consistency fixes (session 2):
- Bare-form CLI removed, dispatch simplified to index-only (#10)
- code-review-teams template+table extraction (#12)
- Designer Apply Knowledge H2 added (#13)
- Teams phase numbering aligned (#14)
- loadKnowledgeContext + full subcommand removed entirely (#16)

Complexity + performance + testing + docs fixes (sessions 3-4):
- D-A filter extracted to isDeprecatedOrSuperseded predicate (#18)
- formatAdrLine/formatPfLine merged into formatEntryLine (#19)
- Shared test fixtures extracted to tests/knowledge/fixtures.ts (#21)
- Token claim "~250 tokens" dropped from 12 sites (#22)
- tmpdir cleanup added to test fixtures (#25)
- self-learning.md example and footer paths corrected (#28, #29)

28 files changed, 333 insertions, 524 deletions. 1021/1021 tests passing.
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@dean0x