Migrate gerrti

#!/bin/bash

# Configuration
GERRIT_BASE_URL="https://gerrit.example.com"
GITHUB_ORG="your-github-org"
GITHUB_TOKEN="your-personal-access-token"
REPO_LIST="repos.txt" # A file containing the list of Gerrit repositories
TEMP_DIR="/tmp/gerrit-to-github"

# Check dependencies
if ! command -v git &>/dev/null; then
    echo "Error: git is not installed."
    exit 1
fi

if ! command -v curl &>/dev/null; then
    echo "Error: curl is not installed."
    exit 1
fi

# Prepare temporary directory
mkdir -p "$TEMP_DIR"
cd "$TEMP_DIR" || exit

# Process each repository
while IFS= read -r repo_name; do
    if [ -z "$repo_name" ]; then
        continue
    fi

    echo "Migrating repository: $repo_name"

    # Clone the Gerrit repository
    git clone --mirror "$GERRIT_BASE_URL/$repo_name" "$repo_name.git"
    if [ $? -ne 0 ]; then
        echo "Error: Failed to clone $repo_name. Skipping."
        continue
    fi

    cd "$repo_name.git" || exit

    # Check for and initialize submodules
    if git ls-tree -r HEAD | grep -q '^160000'; then
        echo "Submodules detected in $repo_name. Cloning submodules."

        # Convert the repo from a bare mirror to a working directory
        git config --unset core.bare
        git checkout -f

        # Update submodules
        git submodule update --init --recursive
        if [ $? -ne 0 ]; then
            echo "Error: Failed to initialize submodules for $repo_name. Skipping."
            cd ..
            rm -rf "$repo_name.git"
            continue
        fi
    fi

    # Create the GitHub repository
    curl -s -H "Authorization: token $GITHUB_TOKEN" \
        -d '{"name":"'$repo_name'","private":true}' \
        "https://api.github.com/orgs/$GITHUB_ORG/repos"
    if [ $? -ne 0 ]; then
        echo "Error: Failed to create GitHub repository $repo_name. Skipping."
        cd ..
        rm -rf "$repo_name.git"
        continue
    fi

    # Push to GitHub, including submodules
    git remote add github "https://$GITHUB_TOKEN@github.com/$GITHUB_ORG/$repo_name.git"
    git push --mirror github
    if [ $? -ne 0 ]; then
        echo "Error: Failed to push $repo_name to GitHub."
        cd ..
        rm -rf "$repo_name.git"
        continue
    fi

    echo "Successfully migrated $repo_name to GitHub."
    cd ..
    rm -rf "$repo_name.git"
done < "$REPO_LIST"

# Cleanup
echo "Migration completed. Temporary files removed."
cd ~
rm -rf "$TEMP_DIR"