Rails post-pull

post-merge.sh

#!/usr/bin/env bash
# Checa si cambiaron (Gemfile|.e?rb|css|js) y reinicia/compila/instala madres
# guárdame como .git/hooks/post-merge

HOOKDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
GITDIR="$(dirname $HOOKDIR)"
REPODIR="$(dirname $GITDIR)"

changed_files="$(git diff-tree -r --name-only --no-commit-id ORIG_HEAD HEAD)"
# changed_files="$(git diff-tree -r --name-only --no-commit-id HEAD HEAD^)"

runif() {
	#esto si jala con las variables exportadas, al parecer
	changed "$1" && eval "$2"
}

changed() {
	echo "$changed_files" | egrep --quiet "$1"
}

export BUNDLE_GEMFILE=/data/domains/favc/Gemfile
export RAILS_ENV=production

restart=false

if changed "Gemfile"; then
	restart=true
	echo "Installing dependencies"
	bundle install --deployment
fi

if changed "\.(s?css|js|coffee)$"; then
	echo "Compiling assets"
	restart=true
	bundle exec rake assets:precompile
fi

if changed ".e?rb" || restart; then
	echo "Restarting app"
	touch $REPODIR/tmp/restart.txt
fi