{
  "version": "v1",
  "hooks": [
    {
      "name": "Auto-format before git commit",
      "trigger": "PreToolUse",
      "matcher": "execute_bash",
      "action": {
        "type": "command",
        "command": "#!/bin/bash\nINPUT=$(cat)\nCOMMAND=$(echo \"$INPUT\" | python3 -c \"import sys,json; print(json.load(sys.stdin).get('tool_input',{}).get('command',''))\" 2>/dev/null)\nif ! echo \"$COMMAND\" | grep -qE 'git\\s+(commit|\\-c .* commit)'; then\n  exit 0\nfi\ncd /home/blendux/git/ogit\nOUTPUT=$(opam exec -- dune fmt 2>&1)\nRC=$?\nif [ $RC -eq 0 ]; then\n  echo 'Formatting clean — proceeding with commit.'\n  exit 0\nfi\n# dune fmt exit 1 means it reformatted files; run again to confirm stable\nOUTPUT2=$(opam exec -- dune fmt 2>&1)\nRC2=$?\nif [ $RC2 -eq 0 ]; then\n  CHANGED=$(git diff --name-only)\n  if [ -n \"$CHANGED\" ]; then\n    git add $CHANGED\n    echo \"Reformatted and staged: $CHANGED\"\n  fi\n  exit 0\nelse\n  echo \"dune fmt produced unstable output — blocking commit.\" >&2\n  exit 2\nfi",
        "timeout": 30
      }
    }
  ]
}