41 lines
1 KiB
Bash
Executable file
41 lines
1 KiB
Bash
Executable file
#!/bin/bash
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# Git OpenTimestamp Post-Commit Hook (ots CLI version)
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# Requires: opentimestamps-client (pipx install opentimestamps-client)
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set -e
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OUTPUT_DIR=".ots"
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OUTPUT_FILE="$OUTPUT_DIR/proof.ots"
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mkdir -p "$OUTPUT_DIR"
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COMMIT_HASH=$(git rev-parse HEAD)
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# Generate proof using ots CLI
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temp_file=$(mktemp)
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temp_ots="${temp_file}.ots"
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python3 -c "import sys; sys.stdout.buffer.write(bytes.fromhex('$COMMIT_HASH'))" > "$temp_file"
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ots stamp "$temp_file" 2>/dev/null
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if [ -f "$temp_ots" ]; then
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mv "$temp_ots" "$OUTPUT_FILE"
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rm -f "$temp_file"
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echo "[ots] Generated proof: ${COMMIT_HASH:0:8}"
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else
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rm -f "$temp_file"
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echo "[ots] Warning: Failed to generate proof" >&2
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exit 0
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fi
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# Save previous commit for chaining
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PREV_COMMIT=$(git rev-parse HEAD^1 2>/dev/null || echo "")
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if [ -n "$PREV_COMMIT" ]; then
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echo "$PREV_COMMIT" > "$OUTPUT_DIR/prev-commit.txt"
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fi
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# Create individual proof file
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INDIVIDUAL_PROOF="$OUTPUT_DIR/${COMMIT_HASH}.ots"
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cp "$OUTPUT_FILE" "$INDIVIDUAL_PROOF"
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echo "[ots] Proof generated successfully"
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