autodeb builder for Braincase

build.sh

#!/bin/bash

# Some vars
REPO="https://github.com/hamstar/Braincase.git";
LREPO="/var/www/test/repo";
BRANCH="sprint2"; # this could be replaced with ref
BUILDDIR="$LREPO/packages/debian";
WEBDIR="/var/www/test";

# Refresh the repo
rm $LREPO -fr;
git clone $REPO $LREPO;

# Checkout our branch and update submodules
cd $LREPO;
git checkout $BRANCH;
git submodule update --init;

# Determine the sha for the deb filename
SHA=`git log|head -1|cut -d' ' -f2|head -c 8`;

# Clear out the current build dir
cd $BUILDDIR;
rm usr var etc -fr;

# Add in fresh files and make bin executable
cd $LREPO;
cp -fR usr var etc -t $BUILDDIR;
chmod +x $BUILDDIR/usr/bin/*;

# untested code!!!!
function add_size_and_version() {

  # Add the size automatically
  size=`du $BUILDDIR -sk --exclude="DEBIAN|cut -d' ' -f1";
  cat $BUILDDIR/DEBIAN/control | sed "s/Installed-Size: \d+/Installed-Size: $size/" > $WEBDIR/control.tmp;
  cp $WEBDIR/control.tmp $BUILDDIR/DEBIAN/control;

  # Increment the version patch number
  version=`cat $BUILDDIR/DEBIAN/control|grep "Version: "|cut -d' ' -f2`;
  major=`echo $version|cut -d'.' -f1`;
  minor=`echo $version|cut -d'.' -f2`;
  patch=`echo $version|cut -d'.' -f3`;
  stored_version=`cat $WEBDIR/version.txt`;
  smajor=`echo $stored_version|cut -d'.' -f1`;
  sminor=`echo $stored_version|cut -d'.' -f2`;

  # Don't reversion a new major or minor
  if [ "$major" == "$smajor" && "$minor" == "$sminor" ]; then
    patch="$(($patch+1))";
  fi;

  # Save the version to 
  version="$major.$minor.$patch";
  echo "$version" > $WEBDIR/version.txt;

  # Build a regex friendly version
  version="$major\.$minor\.$patch";
  cat $BUILDDIR/DEBIAN/control | sed "s/Version: \d+/Version: $version/" > $WEBDIR/control.tmp;
  cp $WEBDIR/control.tmp $BUILDDIR/DEBIAN/control;
}

#add_size_and_version; # untested code!!!

# Debianize!
dpkg-deb --build $BUILDDIR;

# Make it accessible
mv $LREPO/packages/debian.deb $WEBDIR/deb/braincase-$SHA.deb;