How do I delete branches which have already been merged? Can I delete them all at once, instead of deleting each branch one-by-one?

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You can delete branches that have already been merged into the main branch (e.g., master or main) in a Git repository. To delete multiple merged branches at once, you can use a combination of Git commands and some shell scripting. Here's how to do it:

Delete Merged Branches Using a Bash Script:

  1. Open a terminal.

  2. Use the following Bash script to delete all merged branches except for the main branch (replace main with the appropriate branch name if needed):

    bash
  1. git checkout main  # Switch to the main branch
git branch --merged | grep -v '^\*' | xargs -I {} git branch -d {}  # Delete merged branches (excluding current branch)

    Here's what this script does:

    • git checkout main: Switches to the main branch (change main to your main branch's name if it's different).
    • git branch --merged: Lists branches that are already merged into the main branch.
    • grep -v '^\*': Excludes the current branch from the list (indicated by the asterisk in the git branch output).
    • xargs -I {} git branch -d {}: Deletes each branch listed in the previous step.

  2. Execute the script in your terminal.

    After running the script, all merged branches (except the main branch) will be deleted.

Here's an example of what the script execution might look like:

bash
$ ./delete_merged_branches.sh
Deleted branch feature-branch-1 (was 1234567).
Deleted branch feature-branch-2 (was 9876543).

This script automates the process of deleting multiple merged branches at once, which can save you time when cleaning up your Git repository. Be cautious when using this script, and ensure that you only delete branches that you're sure have been merged and are no longer needed.

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