Commit any changes on a specific directory

autocommit_monitor.sh

#!/bin/sh
#
# autocommit_monitor is a simple script to monitorize a directory and commit to
# the Git repo inside all the changes on files (files added, removed, changed, etc).
# It uses inotify to be aware of thos changes and you need to have installed
# the tool 'inotifywait'.
#
# Copyright (C) 2011-2014, Juanje Ojeda
# Author: Juanje Ojeda <[email protected]>
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.  See http://www.gnu.org/copyleft/gpl.html for
# the full text of the license.

usage() {
    cat <<EOF

Monitorizes a directory and commit any files changed to the Git repository
Usage: $(basename $0) [ [-h|--help] | [-d|--directory] PATH ]

Options:
  -h, --help            Shows this help
  -d, --directory PATH  Indicates the directory's PATH to monitorize.
                        PATH must be passed and must be a directory.

EOF
}

check_for_directory() {
    if [ -z "$1" ]; then
        usage
        exit
    fi
    if [ ! -d "$1" ]; then
        echo "ERROR: ${1} must be a directory"
        usage
        exit
    elif [ ! -d "${1}/.git" ]; then
        echo "ERROR: ${1} must be a Git repository"
        usage
        exit
    else
        DIR="$1"
    fi
}

while [ "$#" -ge 0 ]
do
    case $1 in
    -h | --help)
        usage
        exit
        ;;
    -d | --directory)
        check_for_directory $2
        break
        ;;
    *)  
        usage
        exit
        ;;
    esac
done

# Let's check if Git is avaible
which git > /dev/null 2>&1
if [ $? = 0 ]; then
    echo "ERROR: You need to have Git installed on your PATH"
    usage
    exit
fi

# The --exclude is to avoid to check the VIM's temporary files any time
# you save the file while you're already editing it.
while inotifywait --exclude '.*\.swp' -e modify ${DIR}; do
    cd ${DIR}
    git add -A
    git commit -m "Saved changes"
done