d3a92326de
PostToolUse hook auto-formats files after Edit/Write/MultiEdit with git-blob checkpoints for safe revert. Pre-commit hook for staged files. Canonical formatter scripts for py, sh, ts, sql, json (+ symlinks for js, yaml, md). Install and setup scripts for project opt-in. Includes best-practices/linting.md, HOOKS.md docs, README.md, and session log. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
55 lines
1.4 KiB
Bash
Executable File
55 lines
1.4 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Git pre-commit hook: format and lint staged files using project formatters.
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# Reuses the same formatter scripts from formatters/.
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# Exits non-zero if lint errors remain after auto-fix (blocks commit).
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# Find formatters/ directory relative to repo root
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REPO_ROOT="$(git rev-parse --show-toplevel 2>/dev/null)"
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[ -z "$REPO_ROOT" ] && exit 0
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FORMATTERS_DIR="$REPO_ROOT/formatters"
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[ -d "$FORMATTERS_DIR" ] || exit 0
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HAD_ERRORS=0
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ERROR_OUTPUT=""
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# Iterate staged files (only Added/Modified, not Deleted)
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while IFS= read -r FILE; do
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[ -z "$FILE" ] && continue
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ABS_FILE="$REPO_ROOT/$FILE"
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[ -f "$ABS_FILE" ] || continue
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# Extract extension (normalise yml → yaml)
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EXT="${FILE##*.}"
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case "$EXT" in
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yml) EXT="yaml" ;;
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esac
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[ -z "$EXT" ] || [ "$EXT" = "$FILE" ] && continue
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# Check for formatter
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FORMATTER="$FORMATTERS_DIR/$EXT"
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[ -x "$FORMATTER" ] || continue
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# Run formatter
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ERRORS=$("$FORMATTER" "$ABS_FILE" 2>&1)
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EXIT_CODE=$?
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# Re-stage the file (formatter may have modified it)
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git add "$ABS_FILE"
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if [ $EXIT_CODE -ne 0 ]; then
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HAD_ERRORS=1
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ERROR_OUTPUT="${ERROR_OUTPUT}${FILE}:\n${ERRORS}\n\n"
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fi
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done < <(git diff --cached --name-only --diff-filter=AM)
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if [ $HAD_ERRORS -ne 0 ]; then
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echo "Pre-commit lint errors — commit blocked:" >&2
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echo -e "$ERROR_OUTPUT" >&2
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echo "Fix the errors above and try again." >&2
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exit 1
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fi
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exit 0
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