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Git / Write Commit Graph For Packed Commits

Write Commit Graph For Packed Commits

Generates a commit graph for packed commits in a Git repository.

$
Terminal
git commit-graph write

When To Use

During repository size optimization efforts.

Pro Tip

Use --changed-paths to limit the output to relevant files, reducing processing time.

Anatomy of Output

Understanding the result

rocky-branch 4b8db8c9e5b645fae0c1c9ee3c47012354aca6ef Branch Name

Indicates the active branch with a pointer.

* 4b8db8c9e5b645fae0c1c9ee3c47012354aca6ef 1677873493.29 11 (42) Commit Hash

Unique identifier for the commit.

0 0 1677873491.29 1 0 Parent Commits

Details of parent commit references.

Power User Variants

Optimized versions

git commit-graph write --stdin-commits < .git/refs/heads/master

Writes commit graph using std input for specific refs.

git commit-graph write --reachable

Includes only reachable commits in the graph.

Troubleshooting

Common pitfalls

fatal: unable to write commit-graph file: Permission denied

Solution: Ensure write permissions in the repository directory.

error: could not write commit-graph: No space left on device

Solution: Clear disk space to allow writing.

fatal: commit-graph write needs a packed repository

Solution: Run 'git gc' to pack commits before using this command.

Command Breakdown

What each part is doing

git
Base Command
The executable that performs this operation. Here it runs Git before the shell applies any redirect operators.

Alternative Approaches

Comparable commands in other tools

Alternative version control tools for the same job.