#!/bin/bash
# usage:
#    git_import.sh init
#    git_import.sh addkey mygitkey
#
#    cd git/your-project
#    git_import.sh

user=[your user]
host=[your host]

# git remote name
remote_name=home

# git user home (for adding ssh keys and initilizing)
remote_home=/home/git

# git repository parent path
remote_git_parent_path=/git

pwd_=`pwd`
name=`basename $pwd_`

# ===============
remote_bin=create-git-repo

# ===============
if [[ "$1" == "addkey" ]] ; then
    if [[ -z $2 ]] ; then
        echo "please specify key name"
        exit
    fi
    keyname=$2
    ssh-keygen -t dsa -f $keyname
    scp $keyname.pub $user@$host:$keyname.pub
    ssh $user@$host "sudo sh -c 'cat $keyname.pub >> $remote_home/.ssh/authorized_keys' "
    echo SSH Key Added

elif [[ "$1" == "init" ]] ; then
    cat <<END > /tmp/init.sh
#!/bin/bash
name=\$1

cd $remote_git_parent_path
if [[ -e \$name.git ]] ; then
    echo "Repository Exist"
    exit
fi
sudo -u git mkdir \$name.git
cd \$name.git
sudo git init --bare
cd ..
sudo chown -R git: \$name.git
sudo chmod -R g+rw \$name.git
END
    # create git user
    ssh $user@$host 'sudo useradd -m -s `which git-shell` git ;' \
            "sudo mkdir $remote_git_parent_path "\
            "sudo chown -R git:git $remote_git_parent_path"\
            "sudo -u git mkdir $remote_home/.ssh"\
            "sudo -u git chmod 700 $remote_home/.ssh"\
            "sudo -u git chmod 600 $remote_home/.ssh/authorized_keys"

    scp /tmp/init.sh $user@$host:$remote_bin
    rm /tmp/init.sh
    echo Done
    exit
fi


echo "Creating Repository"
ssh $user@$host "bash $remote_bin $name"

echo "Adding Remote"
git remote add $remote_name git@$host:$remote_git_parent_path/$name.git
git checkout master

echo "Pushing to Remote"
git push $remote_name master
echo Done