jekyll on flybrain

jekyll_post-update.sh

#!/bin/sh
#
# An example hook script to prepare a packed repository for use over
# dumb transports.
#
# To enable this hook, rename this file to "post-update".

# Jekyll update code

# always runs in .git dir
GIT_REPO=$PWD
REPO=`basename "${GIT_REPO}" | sed s/\.git$// `

TMP_GIT_CLONE=$HOME/tmp/$REPO
PUBLIC_WWW=/var/www/$REPO

export BUNDLE_PATH=$HOME/bundle

# clean up just in case
rm -Rf $TMP_GIT_CLONE

git clone $GIT_REPO $TMP_GIT_CLONE
cd $TMP_GIT_CLONE
bundle update
# safe is require for jekyll bootstrap to define BASE_PATH liquid variable
# if missing assets can't be found etc 
bundle exec jekyll build --safe -s $TMP_GIT_CLONE -d $PUBLIC_WWW
exit

See http://jekyllrb.com/docs/deployment-methods/#git-post-receive-hook for the background. Updating the bundle every time is probably a bit keen but not too slow at the moment.