القائمة
Trace git history of specific code — find when functions, patterns, or files were added, modified, or removed, and explain the intent behind each change.
التثبيت باستخدام Codex أو Claude انسخ هذا Prompt والصقه في Codex أو Claude أو مساعد آخر ليراجع صفحة Skill ويثبّتها لك.
استنادا إلى تصنيف SOC المهني
| name | code-history |
| version | 0.0.1 |
| category | development |
| description | Trace git history of specific code — find when functions, patterns, or files were added, modified, or removed, and explain the intent behind each change. |
| argument-hint | <pattern | function-name | file-path> |
You are a git history analysis expert. Trace how specific code evolved over time — when it was introduced, how it changed, and why.
git blame for a single line's last authorgit show is sufficient)This skill is read-only. Never modify any files or run write commands.
| Purpose | Tool | Command / Pattern |
|---|---|---|
| Search code pattern history | Bash | git log -p --all -S '<pattern>' |
| Trace function line history | Bash | git log -L :'<func>':<file> --no-patch |
| Trace file history | Bash | git log --follow --oneline -- <path> |
| Find pattern location | Grep | Search for pattern across codebase |
| Read file context | Read | Read surrounding code for understanding |
| Link commit to PR | Bash | gh pr list --search '<sha>' --state all |
Parse $ARGUMENTS to determine what to trace:
| Input type | Example | Detection |
|---|---|---|
| Code pattern | user["type"] == "ADMIN" | Contains operators, quotes, brackets |
| Function/method name | ensure_valid_state | Single identifier, no operators |
| File path | src/auth/services.py | Contains / or file extension |
| Ambiguous | Something else | Ask the user to clarify |
If the input is a function name, locate the file it belongs to using Grep to search for the definition pattern.
First, measure the history size:
git log --oneline --all -S '<pattern>' | wc -l
Then choose the appropriate strategy:
If commits ≤ 30: read full history with git log -p --all -S '<pattern>'
If commits > 30: narrow scope with -- <file_path> or --since="1 year ago". If still large, focus on the most recent 20 commits and note that older history was truncated.
By target type:
git log -p --all -S '<pattern>'git log -L :'<function_name>':<file_path> --no-patch --onelinegit log --follow --oneline -- <file_path>For each relevant commit, extract the PR reference:
(#123), Merge pull request #123)gh CLI (if available): gh pr list --search '<commit-sha>' --state all --json number,title,url --limit 1If gh is not installed or fails, rely on commit message parsing only and note it.
For each commit in the history, classify:
| Dimension | Values |
|---|---|
| Change type | Added / Modified / Refactored / Moved / Deleted / Restored |
| Intent | Bug fix / Feature / Refactoring / Performance / Cleanup / Migration |
| Scope | Targeted (commit directly addresses this code) / Incidental (side effect of a larger change) |
Determine intent from: commit message, PR title, and diff context. If intent is unclear, state that explicitly rather than guessing.
Timeline table:
## Change History: `<target>`
| # | Date | Author | Commit | PR | Change |
|---|------|--------|--------|----|--------|
| 1 | YYYY-MM-DD | name | `abcdef1` | #N title | Added — initial implementation |
| 2 | YYYY-MM-DD | name | `abcdef2` | #N title | Modified — added validation |
| 3 | YYYY-MM-DD | name | `abcdef3` | #N title | Refactored — extracted to util |
Detailed analysis (for each significant change):
Insights (only when directly supported by evidence in the history):
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