How can I resolve the 'Git index.lock' error that occurs during a commit?

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I encounter a "Git index.lock" error when attempting to commit, yet I am unable to delete the file. The error message is as follows:

fatal: Unable to create 'project_path/.git/index.lock': File exists.

Oddly, when I execute ls project_path/.git/index.lock, it reports that the file does not exist. What steps should I take to resolve this issue?

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Jitendra Mishra
Jitendra Mishra ·

It appears that the root cause of the issue might be attributed to another ongoing process that was inadvertently writing to the project directory. After restarting my machine, I no longer encountered any obstacles while committing. Could the ownership of the project_path/.git directory by root be related to the problem I experienced?

2 Answers

To resolve the 'Git index.lock' error during a commit:

  1. Confirm the existence of the lock file using ls project_path/.git/index.lock.
  2. Change ownership of the '.git' directory: sudo chown -R your_username:your_group project_path/.git.
  3. Investigate and terminate concurrent processes using tools like lsof.
  4. Restart your machine to clear any lingering conflicts.

These steps should address the issue and allow for successful commits.

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To fix the 'Git index.lock' error during commit, check for the lock file with ls project_path/.git/index.lock, change ownership using sudo chown -R your_username:your_group project_path/.git, terminate concurrent processes with lsof, and restart your machine to resolve conflicts.

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