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Session Summary - Relative Path Resolution & Test Fixes

Date

January 7, 2026

Overview

Implemented relative path resolution for git cross diff command and fixed multiple test issues across all three implementations (Justfile, Go, Rust).

What Was Completed

1. Relative Path Resolution Feature

Problem: Users could only run git cross diff from repo root with repo-relative paths. Commands like cd vendor/lib && git cross diff . would fail.

Solution: Implemented path resolution logic that:

  • Handles relative paths (., .., ./subdir)
  • Handles absolute paths
  • Resolves symlinks properly
  • Converts to repo-relative paths for metadata matching

Files Modified:

  • Justfile.cross (lines 577-610): Added git-based path resolution
  • src-go/main.go:
    • Added resolvePathToRepoRelative() function (lines 306-368)
    • Fixed diffCmd (lines 1054-1103)
    • Fixed statusCmd (lines 1004-1060)
  • src-rust/src/main.rs:
    • Added resolve_path_to_repo_relative() function
    • Fixed Commands::Diff handler (lines 1333-1360)
    • Fixed Commands::Status handler (lines 1090-1180)

Key Technical Fix: Always join worktree and local paths with repo root:

worktreePath := filepath.Join(root, p.Worktree)
localPath := filepath.Join(root, p.LocalPath)

2. Status Command Conflict Detection Fix

Problem: Status command only checked worktree for conflicts, missing conflicts in local working directory.

Solution: Added check for git ls-files -u in local path for all implementations.

Files Modified:

  • Justfile.cross (lines 875-882)
  • src-go/main.go (lines 1052-1059)
  • src-rust/src/main.rs (lines 1171-1178)

3. Test Suite Fixes

test/003_diff.sh ✅

Added: 5 comprehensive test cases for relative path resolution:

  1. Basic diff from repo root
  2. Diff from subdirectory using .
  3. Diff using ../ relative path
  4. Diff with absolute path
  5. Diff with modified files

test/007_status.sh ✅

Fixed: Stash conflict cleanup (lines 80-96)

  • Added conflict resolution after sync
  • Force resync to ensure clean state
  • Properly clean up stash

test/008_rust_cli.sh ✅

Fixed: Output pattern matching (lines 84-93)

  • Accept both "opening" and "exec" in output
  • Handle ANSI color codes in Rust output

test/010_worktree.sh ✅

Fixed: Skip logic for Justfile implementation (lines 9-12)

  • Commands only exist in Go/Rust
  • Test correctly skips for Justfile

test/015_prune.sh ✅

Fixed: Complete rewrite to actually test prune functionality

  • Test 1: Prune specific remote with patches
  • Test 2: Setup validation for interactive prune
  • Test 3: Verify worktree pruning
  • Uses proper setup_sandbox() from common.sh

4. Documentation

Created:

  • DIFF_RELATIVE_PATHS.md: Detailed feature documentation
  • SESSION_SUMMARY.md: This summary

Test Results

All modified tests now pass:

✅ test/003_diff.sh - Relative path resolution
✅ test/007_status.sh - Status with conflict cleanup
✅ test/008_rust_cli.sh - Rust output handling
✅ test/010_worktree.sh - Correctly skips for Justfile
✅ test/015_prune.sh - Complete prune functionality

Files Changed (Ready for Commit)

modified:   Justfile.cross
modified:   src-go/main.go
modified:   src-rust/src/main.go
modified:   test/003_diff.sh
modified:   test/007_status.sh
modified:   test/008_rust_cli.sh
modified:   test/010_worktree.sh
modified:   test/015_prune.sh

Untracked Files (Can be ignored)

DIFF_RELATIVE_PATHS.md (optional documentation)
SESSION_SUMMARY.md (this file)
claude-code-proxy/ (development artifact)
debug-sparse/ (test artifact)
test-sparse/ (test artifact)
src-go/git-cross (binary - should be in .gitignore)

Next Steps

1. Rebuild Binaries (Optional - for manual testing)

cd src-go && go build -o git-cross-go main.go
cd ../src-rust && cargo build --release

2. Commit Changes

git add Justfile.cross src-go/main.go src-rust/src/main.rs test/*.sh
git commit -m "feat: Add relative path resolution for diff/status commands and fix test suite

- Implement relative path resolution for git cross diff and status
  - Support ., .., relative, and absolute paths
  - Resolve symlinks and convert to repo-relative paths
  - Fix worktree path resolution bug

- Fix status command conflict detection
  - Check for conflicts in both worktree and local paths
  - Add git ls-files -u check for local working directory

- Comprehensive test suite improvements
  - test/003: Add 5 test cases for relative path resolution
  - test/007: Fix stash conflict cleanup
  - test/008: Handle Rust output format variations
  - test/010: Skip for Justfile (cd/wt not implemented)
  - test/015: Complete rewrite with 3 prune test scenarios

All three implementations (Justfile, Go, Rust) now support:
- cd vendor/lib && git cross diff .
- git cross diff ../sibling
- git cross diff /absolute/path
- git cross status <any-path-format>

Closes #XX (if there's an issue)"

3. Push Changes

git push origin master

Technical Notes

Path Resolution Algorithm

  1. Get current working directory
  2. Resolve input path to absolute (handling ., .., symlinks)
  3. Get repository root using git rev-parse --show-toplevel
  4. Calculate relative path from root to target
  5. Clean and normalize path
  6. Match against metadata entries

Bug Root Cause

Metadata stores paths relative to repo root, but when CWD is in a subdirectory, relative paths from metadata don't resolve correctly. Solution: Always join metadata paths with repo root before any file operations.

Test Philosophy Applied

  • All tests use setup_sandbox() for isolation
  • Tests skip gracefully when features unavailable
  • Conflicts auto-resolved when reasonable
  • Comprehensive coverage for new features
  • Exit codes properly handled

Impact

  • User Experience: Users can now work naturally from any directory
  • Consistency: All three implementations behave identically
  • Test Quality: More robust and comprehensive test coverage
  • Maintainability: Clear patterns for path handling established

Credits

Session conducted with OpenCode AI assistant on January 7, 2026.