easily create centralized git projects on any server

gitpro

#!/usr/bin/env bash

PROJ_NAME=""
PROJ_GIT_DIR=""
PROJ_DIR=""
PROJ_ROOT=""
PROJ_GIT_ROOT=""
PWD=$(pwd)

function set_config_vars () {
  if [ $# -gt 2 ]
  then
     PROJ_ROOT=$1
     PROJ_GIT_ROOT=$2
     PROJ_NAME=$3
  else
    if [ $# -gt 1 ]
    then
      PROJ_ROOT=$1
      PROJ_GIT_ROOT=$PROJ_ROOT.git
      PROJ_NAME=$2
    else
      PROJ_ROOT=$PWD/projects/
      PROJ_GIT_ROOT=$PWD/projects.git/
      PROJ_NAME=$1
    fi
  fi

  # Make sure we have trailing slashes...
  PROJ_ROOT=$(echo $PROJ_ROOT | sed 's/\/$//')/
  PROJ_GIT_ROOT="$(echo $PROJ_GIT_ROOT | sed 's/\/$//')/"

  PROJ_DIR=$(echo $PROJ_ROOT$PROJ_NAME | sed 's/\/$//')/
  PROJ_GIT_DIR=$(echo $PROJ_GIT_ROOT$PROJ_NAME | sed 's/\/$//')/
}

function check_project_name () {
  COMPRESSED=$(echo $PROJ_NAME | sed -e 's/[^[:alnum:]|-]//g')
  if [ "$COMPRESSED" != "$PROJ_NAME" ]
  then
    echo "Invalid project name. Alphanumeric characters only."
    exit 0
  fi
}

function can_create() {
  check_project_name

  if [ "$PROJ_NAME" = "" -o -z "$PROJ_NAME" -o -d "$PROJ_DIR" -o -d "$PROJ_GIT_DIR" ]
  then
    echo "Invalid project name. Already exist."
    exit 0
  fi
}

function check_project_exists () {
  check_project_name

  if [ -z "$PROJ_NAME" -o ! -d "$PROJ_DIR" -o ! -d "$PROJ_GIT_DIR" ]
  then
    echo "Invalid project name. Doesn't exist."
    exit 0
  fi
}

function check_project_dirs () {
  if [ ! -d $PROJ_ROOT ]
  then
    echo "Directory $PROJ_ROOT not found! Creating..."
    mkdir $PROJ_ROOT
  fi

  if [ ! -d "$PROJ_GIT_ROOT" ]
  then
    echo "Directory $PROJ_GIT_ROOT not found! Creating..."
    mkdir $PROJ_GIT_ROOT
  fi
}

function build_project () {
  echo "Setting up initial directories..."
  mkdir $PROJ_DIR $PROJ_GIT_DIR

  PROJ_DIR=$(cd $PROJ_DIR; pwd)
  PROJ_GIT_DIR=$(cd $PROJ_GIT_DIR; pwd)

  echo "Setting up git repos..."
  (cd $PROJ_DIR && git init)
  (cd $PROJ_GIT_DIR && git init --bare)

  echo "Setting up configuration file for repo"
  echo -e $(
echo '[remote "hub"]'
echo "\n"
echo "  url = $PROJ_GIT_DIR\n"
echo "  fetch = +refs/heads/*:refs/remotes/hub/*\n"
) >> $PROJ_DIR/.git/config

  echo "Setting up hooks for bare repo/hub"
  echo -e $(
echo "#!/bin/sh\n"
echo "echo 'Pulling changes into repo...'\n\n"
echo "cd $(echo $PROJ_DIR | perl -pe 's/\.git\/?$//') || exit\n"
echo "unset GIT_DIR\n"
echo "git pull hub master\n\n"
echo "exec git-update-server-info\n"
) >> $PROJ_GIT_DIR/hooks/post-update

  chmod +x $PROJ_GIT_DIR/hooks/post-update
}

function remove_project () {
  echo "Removing project "
  rm -r $PROJ_DIR $PROJ_GIT_DIR
}

if [ "$1" == -r ]
then
  shift
  set_config_vars "$@"
  check_project_exists
  remove_project
else
  set_config_vars "$@"
  can_create
  check_project_dirs
  build_project
fi

echo "Done"
echo
exit 0