git-autocommit

#!/bin/bash

set -euo pipefail  # Exit on error, undefined vars, and pipeline failures

VERSION="1.0.0"

show_usage() {
    cat << EOF
Usage: git autocommit [OPTIONS] [COMMIT_TYPE]

Automatically create a git commit with a formatted message based on the branch name.
Default commit type is "feat" if not specified.

Options:
    -h, --help      Show this help message
    --version       Show version information

Arguments:
    COMMIT_TYPE     The type of commit (e.g., feat, fix, docs, style, refactor, test, chore)

Examples:
    git autocommit             # Creates commit with "feat: #branch name"
    git autocommit fix         # Creates commit with "fix: #branch name"
    git autocommit docs        # Creates commit with "docs: #branch name"

Note: Branch name will have hyphens replaced with spaces in the commit message.
EOF
}

show_version() {
    echo "git autocommit version $VERSION"
}

main() {
    if [ "${1:-}" = "--version" ]; then
        show_version
        exit 0
    fi

    if [ "${1:-}" = "-h" ] || [ "${1:-}" = "--help" ]; then
        show_usage
        exit 0
    fi

    local commit_type="${1:-feat}"

    if ! git rev-parse --is-inside-work-tree > /dev/null 2>&1; then
        echo "fatal: not a git repository" >&2
        exit 1
    fi

    if [[ -z "$(git status --porcelain)" ]]; then
        echo "nothing to commit, working tree clean"
        exit 0
    fi

    local branch_name
    branch_name=$(git branch --show-current | sed 's/-/ /g')

    local current_branch
    current_branch=$(git branch --show-current)
    if [[ "$current_branch" == "main" ]] || [[ "$current_branch" == "master" ]]; then
        echo "Warning: You are on $current_branch branch. Are you sure you want to commit? (y/N)"
        read -r response
        if [[ ! "$response" =~ ^[Yy]$ ]]; then
            echo "Commit cancelled"
            exit 0
        fi
    fi

    git add .

    local commit_message="$commit_type: #$branch_name"
    git commit -m "$commit_message"

    echo "Successfully committed changes with message: $commit_message"
}

main "$@"