#!/bin/bash
set -e -u -o pipefail

while read oldrev newrev ref
do
    if [[ $ref =~ .*/main$ ]];
    then
        echo "main ref received"

		echo "moving into temporary work tree"; {
		    gitdir=$PWD
				cd $(mktemp -d)
		}

		echo "checking out latest source"; {
			git --work-tree=$PWD --git-dir=$gitdir checkout --force
		}

		echo "generating static site"; {
			podman compose build . --volume $PWD/.pub:/data/.pub 
		}

		echo "restarting server"; {
			podman compose restart || podman compose up
		}
    fi
done