git-sync-all-repos

#!/usr/bin/env bash

set -euo pipefail

# Function to traverse directories and find `.git` folders
traverse() {
    local dir="$1"
    # Loop through files and directories in the current directory
    for entry in "$dir"/*; do
        # If `.git/` is found
        if [[ -d "$entry/.git" ]]; then
            echo
            echo -e "\033[1mFound git repository:\033[0m $entry"
            # Change to the git repository
            cd "$entry" || continue

            # Perform git fetch
            echo "Running 'git fetch --all' in $entry"
            git fetch --all

            # Check if working directory is clean and branch is 'master' or 'main'
            if git diff --quiet && git diff --cached --quiet && [[ "$(git rev-parse --abbrev-ref HEAD)" =~ ^(master|main)$ ]]; then
                echo "Working tree clean and branch is 'master' or 'main'. Running 'git pull' in $entry"
                git pull
            else
                echo -e "\033[31mSkipping 'git pull' in $entry (unsaved changes or branch is not 'master/main')\033[0m"
            fi

            # Go back to the previous directory
            cd - > /dev/null || continue
        # If entry is a directory, recurse into it (skipping `.git` repositories)
        elif [[ -d "$entry" ]]; then
            traverse "$entry"
        fi
    done
}

# Starting directory for traversal, default to current directory
start_dir="${1:-.}"
traverse "$start_dir"