git-commit-graph:tldr:2a5c1

git-commit-graph: Write a commit-graph file containing all reachable commits.

$ git show-ref --hash | git commit-graph write --stdin-commits

try on your machine

This command is a combination of two separate Git commands: git show-ref --hash and git commit-graph write --stdin-commits.

git show-ref --hash: This command displays the commit hash (SHA-1) of each reference in the Git repository. References can be branches, remote-tracking branches, tags, etc. The --hash option makes sure that only the commit hashes are displayed, without any additional information.
| (pipe): This symbol is used to redirect the output of one command as the input to another command. In this case, it takes the output of the first command (git show-ref --hash) and uses it as input for the second command.
git commit-graph write --stdin-commits: This command creates or updates the commit-graph file in the Git repository. The commit-graph file contains information that improves the performance of certain Git operations, such as commit walking and merging. The --stdin-commits option allows reading the commit hashes from the standard input (input received from the previous command using the pipe).

So, overall, this command retrieves the commit hashes of all references in the repository and then writes them into the commit-graph file, improving the performance of future Git operations.

This explanation was created by an AI. In most cases those are correct. But please always be careful and never run a command you are not sure if it is safe.

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