Create a new shared git repo on linux

addgitrepo

#/bin/sh
#
# Script to create an empty Git-Repository.
#

GIT_BASEPATH=/var/cache/git
SCRIPT_NAME="`basename $0`"
PROJECT_NAME="$1"

if [ -z "$PROJECT_NAME" ]; then
  echo "Usage: $SCRIPT_NAME PROJECT_NAME"
  exit 0
fi

PROJECT_NAME="`basename $PROJECT_NAME .git`.git"
PROJECT_PATH="$GIT_BASEPATH/$PROJECT_NAME"

if [ -d "$PROJECT_PATH" ]; then
  echo "An Git repository already exists at $PROJECT_PATH! Aborting."
  exit 0
fi

if [ ! -w "$GIT_BASEPATH" ]; then
  echo "The directory $GIT_BASEBATH is not writeable for your user. Maybe you forgot sudo? Aborting."
  exit 0
fi

echo " * Creating directory at $PROJECT_PATH with mode 2775..."
mkdir $PROJECT_PATH
chmod 2775 $PROJECT_PATH

echo " * Initializing bare empty Git repository with shared=group..." 
cd $PROJECT_PATH
git init --bare -q --shared=group
 
echo " * Changing group to git..."
chown -R :git $PROJECT_PATH

echo "Done."