Just a script to manage github repositories

github.sh

#!/bin/bash
##
# 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 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
##
# Author: Sliim <sliim@mailoo.org>
##

REPOSITORY_DIR=/opt/
GITHUB_URL=https://github.com/
PWD=`pwd`

function usage {
    echo "Usage: $0 <command> [[options] *]"
    echo "Available commands:"
    echo -e "\t- install <github_uri> <dest_name>"
    echo -e "\t- update <repository>"
    echo -e "\t- update-all"
    echo -e "\t- status <repository>"
    echo -e "\t- status-all"
    cd $PWD
    exit 1
}

function install {
    if [ $# -eq 2 ]; then
        git clone $GITHUB_URL$2.git
    elif [ $# -eq 3 ]; then
        git clone $GITHUB_URL$2.git $3
    else
        usage
    fi
}

function update {
    if [ $# -ne 1 ]; then
        usage
    elif [ ! -d $REPOSITORY_DIR$1 ]; then
        echo >&2 "Repository not found: $REPOSITORY_DIR$1"
    fi

    echo "Updating $1..."

    cd $REPOSITORY_DIR$1
    git pull
    cd $REPOSITORY_DIR
}

function update_all {
    dir=( ${REPOSITORY_DIR}* )
    for ((i=0;i<${#dir[*]};i++))
    do
        d=${dir[$i]}
        if test -d "$d/.git"; then
            update ${d:5}
        fi
    done
}

function status {
    if [ $# -ne 1 ]; then
        usage
    elif [ ! -d $REPOSITORY_DIR$1 ]; then
        echo >&2 "Repository not found: $REPOSITORY_DIR$1"
    fi

    echo "================================="
    echo "=====]> $1 Status:"
    echo "================================="
    cd $REPOSITORY_DIR$1
    git status -sb
    cd $REPOSITORY_DIR
}

function status_all {
    dir=( ${REPOSITORY_DIR}* )
    for ((i=0;i<${#dir[*]};i++))
    do
        d=${dir[$i]}
        if test -d "$d/.git"; then
            status ${d:5}
        fi
    done
}

if [ $# -gt 0 ]; then
    cd $REPOSITORY_DIR
    case $1 in
        "install") install $@ ;;
        "update") update $2 ;;
        "update-all") update_all ;;
        "status") status $2 ;;
        "status-all") status_all ;;
        *) usage ;;
    esac

    cd $PWD
    exit 0
fi

usage