Git autodeployment script

authorized_keys

command="~/git_deploy_hook",no-port-forwarding,no-X11-forwarding,no-agent-forwarding,no-pty DEPLOYMENT_KEY_HERE

git_deploy_hook

#!/bin/sh -eu
#
# Idea taken from http://stackoverflow.com/a/38994123/514723

# Fetching new commits
cd /PATH/TO/REPO
git fetch

# Save the local changes, keep a reference to them
stashed_commit=`git stash create`

# Reset working tree to the sandbox branch on server
git reset --hard origin/sandbox

# If there were local changes, then restore them
if test -n "$stashed_commit"; then
	if ! git stash apply "$stashed_commit"; then
		# Autodeployment failed. Reverting.
		git reset --hard "$stashed_commit"
		git reset HEAD^
		echo 'Autodeployment FAILED! Local changes on sandbox server? You need to resolve manually.'
		exit 1
	fi
fi

# Add here some other tasks to do after deployment, such as compiling locales etc.

echo Successfully deployed to https://sandbox.example.com

post-update

#!/bin/sh -eu
#
# Deploy the stuff into sandbox if the branch in question is "sandbox"
# Modeled after http://stackoverflow.com/a/13057643/514723
for refname in "$@"; do
	branch=`git rev-parse --symbolic --abbrev-ref "$refname"`
	if test sandbox = "$branch"; then
		ssh -T YOUR_SANDBOX_SERVER
	fi
done