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[Chore ]Add HEAD check gate to Stop hook to skip expensive work on most turns #27

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Merged
HeshamHM28 merged 4 commits into from
Mar 18, 2026
Merged

[Chore ]Add HEAD check gate to Stop hook to skip expensive work on most turns #27

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17bcd01
add HEAD check gate to skip expensive work on most Stop hook invocat…
HeshamHM28 Mar 17, 2026
e20b425
Merge branch 'main' into optimize-stop-hook-performance
aseembits93 Mar 17, 2026
8249bc4
fix: use .claude/ directory instead of /tmp for HEAD cache state
Mar 17, 2026
8c21ea0
fix: use transcript directory instead of /tmp for HEAD cache state
Mar 17, 2026
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11 changes: 9 additions & 2 deletions scripts/suggest-optimize.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,15 @@ TRANSCRIPT_PATH=$(echo "$INPUT" | jq -r '.transcript_path // empty' 2>/dev/null
if [ -z "$TRANSCRIPT_PATH" ] || [ ! -f "$TRANSCRIPT_PATH" ]; then
exit 0
fi
TRANSCRIPT_DIR=$(dirname "$TRANSCRIPT_PATH")

# --- Cheap gate: skip if HEAD hasn't changed since last check ---
CURRENT_HEAD=$(git rev-parse HEAD 2>/dev/null) || exit 0
LAST_HEAD_FILE="$TRANSCRIPT_DIR/codeflash-last-head"
if [ -f "$LAST_HEAD_FILE" ] && [ "$(cat "$LAST_HEAD_FILE")" = "$CURRENT_HEAD" ]; then
exit 0
fi
echo "$CURRENT_HEAD" > "$LAST_HEAD_FILE"

# Get the transcript file's creation (birth) time as the session start timestamp.
# This predates any commits Claude could have made in this session.
Expand Down Expand Up @@ -79,8 +88,6 @@ if echo "$CHANGED_COMMITS" | grep -qE '\.(js|ts|jsx|tsx)$'; then
fi

# Dedup: don't trigger twice for the same set of changes across sessions.
# Use the project directory from transcript_path for state storage.
TRANSCRIPT_DIR=$(dirname "$TRANSCRIPT_PATH")
SEEN_MARKER="$TRANSCRIPT_DIR/codeflash-seen"

COMMIT_HASH=$(git log --after="@$SESSION_START" --pretty=format:%H -- '*.py' '*.js' '*.ts' '*.jsx' '*.tsx' 2>/dev/null | shasum -a 256 | cut -d' ' -f1)
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