A zsh script to streamline Git operations, featuring branch creation, commit amendments, and push actions with user confirmations.

gitt.sh

#!/usr/bin/env zsh

# Explicitly set the script name
SCRIPT_NAME=$(basename "$0")

# Exit when any command fails, unset variables are an error, and fail on error in any pipeline.
set -euo pipefail

# Help function for displaying usage information
function help() {
    echo "Usage: $SCRIPT_NAME <subcommand> [options]"
    echo ""
    echo "Subcommands:"
    echo "    create         Create a branch with the given name, commit, and push changes."
    echo "                   Requires one positional argument: branch-name."
    echo "    update         Add all changes, amend the last commit, and forcibly push."
    echo "    help           Display this help message"
    echo ""
    echo "For subcommand-specific help, run: $SCRIPT_NAME <subcommand> -h"
}

# Subcommand-specific help for 'create'
function create_help() {
    echo "Usage: $SCRIPT_NAME create <branch-name>"
    echo "Create a branch with the given name, commit, and push changes."
}

# Subcommand-specific help for 'update'
function update_help() {
    echo "Usage: $SCRIPT_NAME update"
    echo "Add all changes, amend the last commit, and forcibly push."
}

# Create subcommand function
function create_branch() {
    if [ "$#" -ne 2 ] || [[ "$2" == "-h" ]] || [[ "$2" == "--help" ]]; then
        create_help
        exit 0
    fi

    local branch_name=$2
    local name=$(basename "$HOME")

    # Add all changes to the staging area
    git add .

    # Display git status
    git status

    # Ask user to confirm
    echo "Review the staged changes above. Do you want to proceed? (y/n)"
    read -r proceed

    if [[ $proceed != "y" ]]; then
        echo "Aborting as requested."
        exit 1
    fi

    # Create a new branch and switch to it
    git checkout -b "${name}/${branch_name}"

    # Commit the changes
    git commit

    # Push the new branch to the remote repository
    git push origin HEAD
}

# Update subcommand function
function update_branch() {
    if [ "$#" -eq 2 ] && { [[ "$2" == "-h" ]] || [[ "$2" == "--help" ]]; }; then
        update_help
        exit 0
    fi

    # Add all changes to the staging area
    git add .

    # Display git status
    git status

    # Ask user to confirm
    echo "Review the staged changes above. Do you want to proceed with amend? (y/n)"
    read -r proceed

    if [[ $proceed != "y" ]]; then
        echo "Aborting as requested."
        exit 1
    fi

    # Amend the last commit
    git commit --amend

    # Force push the amended commit
    git push origin HEAD --force
}

# Check if at least one argument is provided
if [ "$#" -eq 0 ]; then
    echo "Error: No subcommand provided."
    help
    exit 1
fi

# Subcommand parsing
case "$1" in
    create)
        create_branch "$@"
        ;;
    update)
        update_branch "$@"
        ;;
    help)
        help
        ;;
    *)
        echo "Error: Unknown subcommand '$1'"
        help
        exit 1
        ;;
esac