Bash script to mirror from one git repo to another git repo

git-mirror-repo.sh

#!/bin/bash

# Function to handle non-critical errors
handle_minor_error() {
    echo "Non-critical error on line $1"
}

# Trap errors
trap 'handle_minor_error $LINENO' ERR

# Check if enough arguments are provided
if [ "$#" -ne 2 ]; then
    echo "Usage: $0 <git-repo-url> <new-remote-url>"
    exit 1
fi

# Assign arguments to variables
GIT_REPO_URL=$1
NEW_REMOTE_URL=$2
REPO_NAME=$(basename "$GIT_REPO_URL" .git)

# Clone the repository
echo "Cloning repository..."
git clone "$GIT_REPO_URL"

# Change directory to the cloned repository
echo "Changing directory to ${REPO_NAME}..."
cd "$REPO_NAME"
echo "Current directory: $(pwd)"

# Fetch all branches from origin
git fetch origin

# Add new remote
echo "Adding new remote..."
git remote add gh "$NEW_REMOTE_URL"

# Get the name of the currently checked out branch
current_branch=$(git rev-parse --abbrev-ref HEAD)

# Checkout and track all branches except the current one
for branch in $(git branch -r | grep -v '\->' | sed 's/origin\///'); do
    if [ "$branch" != "$current_branch" ]; then
        git branch --track "$branch" "origin/$branch" || echo "Skipping branch $branch"
        echo "Checked out and tracking branch: $branch"
    fi
done

# Push all branches and tags to the new remote with --mirror
echo "Pushing to new remote..."
git push gh --mirror

# Go back one step and delete the repository directory
cd ..
rm -rf "$REPO_NAME"

echo "Repository cloned, mirrored to new remote, and directory cleaned up."

Usage:
./git-mirror-repo.sh <source_repo> <destination_repo>

In case of permission of execution issue:
chmod +x git-mirror-repo.sh