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How to Fix Git index.lock File Exists Error on Mac - Git Detached HEAD Explained and How to Fix-Git Push Rejected Non Fast Forward: Troubleshooting Checklist

Updated 2026-07-28 10:27:01macos-help
How to Fix Git index.lock File Exists Error on Mac - Git Detached HEAD Explained and How to Fix-Git Push Rejected Non Fast Forward: Troubleshooting Checklist
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Operational follow-up

  • Record the exact option, command, or setting that changed the result.
  • Keep a rollback note if the workflow affects shared files or team settings.

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