Delete old Git branches from remote

delete-old-remote-branches.sh

#!/bin/bash

# Set the cutoff date 6 months ago
cutoff_date=$(date -d "6 months ago" +%Y-%m-%d)

# Fetch all branches from the remote repository
git fetch --prune

# Iterate over each remote branch
for branch_with_origin in $(git branch -r --format='%(refname:short)'); do
    # Remove "origin/" prefix from the branch name
    branch=$(echo "$branch_with_origin" | sed 's/^origin\///')

    # Get the commit date of the branch
    commit_date=$(git log -1 --format=%cd --date=short "$branch_with_origin")

    # Check if the commit date is older than the cutoff date
    if [[ $commit_date < $cutoff_date ]]; then
        # Delete the remote branch
        if git push origin --delete "$branch"; then
            echo "Deleted remote branch: $branch"
        else
            echo "Failed to delete remote branch: $branch"
        fi
    fi
done