area:clibugeffort-smallfilter-qualitygood first issueplatform:macospriority:medium
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Description
Bug Description
When running git log with --format or --pretty=format containing date placeholders like %Y%m%d, rtk's proxy mangles the output. The format string is not passed through correctly to git.
Steps to Reproduce
# Direct git (expected: 20260119)
/opt/homebrew/bin/git -C /some/repo log -1 --pretty=format:'%cd' --date=format:'%Y%m%d'
# Output: 20260119 ✅
# Via rtk (mangled)
git log -1 --format='%Y%m%d'
# Output: %Y> (HEAD, branch-name, ...) ❌
Expected Behavior
Format placeholders should be passed through to git unchanged. --format='%Y%m%d' and --pretty=format:'%cd' --date=format:'%Y%m%d' should produce the same output as calling git directly.
Workaround
Using --pretty=format:'%cd' --date=format:'%Y%m%d' works correctly through rtk. Only --format with certain placeholders is affected.
Environment
- rtk version: 0.34.3
- OS: macOS (Darwin 25.4.0, arm64)
- Shell: zsh