A simple tarball creation script for packaging bundler apps with a vendor/cache dir

control

Vcs-Git: https://github.com/TracksApp/tracks.git
Vcs-Browser: https://github.com/TracksApp/tracks

mktarball

#!/bin/bash
#    Copyright 2012  James Cuzella <james.cuzella@lyraphase.com>
#
#    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/>.
#

RESULT_ERROR=32

# Some simple logging and output functions
debug(){
	echo -e "DEBUG $1" 1>&2
}
info(){
	echo -e "INFO  $1" 1>&2
}
warn(){
	echo -e "WARN  $1" 1>&2
}
error() {
	echo -e "ERROR $1" 1>&2
	exit $RESULT_ERROR
}
pause()
{
	echo "Press enter to continue..."
	read -n1 a 
}

#===  FUNCTION  ================================================================
#          NAME:  usage
#   DESCRIPTION:  Display usage of script
#    PARAMETERS:  
#       RETURNS:  
#===============================================================================
usage ()
{
	echo ""
	echo "USAGE:  ./mktarball appname version"
	echo ""
}
APP_NAME="$1"
APP_VERSION="$2"
APP_ARCHIVE="${APP_NAME}-${APP_VERSION}.tar.bz2"
APP_EXTRACT_DIR="$APP_NAME"
GIT_VERSION_TAG="v${APP_VERSION}"

if [ -z "$APP_VERSION" -o -z "$APP_NAME" ]; then
    [ -z "$APP_VERSION" ] && warn "No app version passed."
    [ -z "$APP_NAME" ]    && warn "No app name passed."
    usage
    exit $RESULT_ERROR
fi

if [ ! -e "${APP_EXTRACT_DIR}" ]; then
    warn "${APP_EXTRACT_DIR} dir not found... Doing checkout from VCS"
    [ ! -e "control" ] && error "control file not found... Don't know where to get source from!"
    ## Sample control file (debian-esqe) like 'debian/control'
    #Vcs-Git: https://github.com/TracksApp/tracks.git
    #Vcs-Browser: https://github.com/TracksApp/tracks
    #
    git_url=$(grep -i Vcs-Git control | awk '{ print $2 }')
    ## TODO: Vcs-Svn support?
    [ -z "$git_url" ] && error "Vcs-Git url not found in control file"
    git clone $git_url ${APP_EXTRACT_DIR}
fi

( 
  cd ${APP_EXTRACT_DIR}
  git fetch
  git co ${GIT_VERSION_TAG} || error "Could not checkout ${APP_NAME} version tag: v${APP_VERSION}"
  if [ -e "Gemfile.lock" ]; then
      bundle install && bundle package || error "Could not bundle install gems for package..."
      sync
  fi
  # This does not do what we want unless `vendor/cache` is committed to the project repo
  #git archive --prefix=${APP_EXTRACT_DIR}/ ${GIT_VERSION_TAG} | bzip2 >../${APP_ARCHIVE} && info "Successfully created tarball: ${APP_ARCHIVE}" || error "Could not create tarball: ${APP_ARCHIVE} FROM ${APP_EXTRACT_DIR}"
)

tar --exclude=.DS_Store --exclude=.git -cjf ${APP_ARCHIVE} ${APP_EXTRACT_DIR} && info "Successfully created tarball: ${APP_ARCHIVE}" || error "Could not create tarball: ${APP_ARCHIVE} FROM ${APP_EXTRACT_DIR}"