post-receive

#!/bin/bash
###
# CONFIG VARS
###
TARGET="/home/madslab/net.madslab/test"      # the directory where the files need to be deployed
GIT_DIR="/home/madslab/data/test-deploy.git" # the current git bare repository path
BRANCH="production"                          # the branch to deploy (default to `production`)
# In case you want to restart your app after deploy, you need to fill:
RESTART=false           # a boolean to enable restart (default to `false`)
API_KEY=""              # your api key you can find in your *profile* section
ACCOUNT=""              # the account name your site is associated to
PASSWORD=""             # the account password your site is associated to
SITE_ID="000000"        # the reference ID of your site you can find in your *sites* section
NPM_INSTALL_CHECK=false # a boolean to enable if your site is a _Node.js_ site, and if you want to automatically run `npm install` if your package.json changed since the last push (default to `false`)

# Function checking if the "package.json" file has been changed since last push
# MIT © Sindre Sorhus - sindresorhus.com / Adapted by J.M. Cléry for Alwaysdata
npm_install_check() {
	# git hook to run a command after `git push` if a specified file was changed
	changed_files="$(git diff --name-only HEAD^ HEAD)"

	check_run() {
		if [ $(echo "$changed_files" | grep "$1") ]; then
			cd $TARGET
			echo "'package.json' has been updated! Running 'npm install' automatically for you..."
			eval "$2"
			cd $GIT_DIR
		fi
	}

	# Run `npm install` ONLY if "package.json" has changed
	# check_run package.json "npm install --silent --no-audit --no-progress > /dev/null"
	check_run package.json "npm install > /dev/null"
}

###
# DO NOT EDIT BELOW UNLESS YOU KNOW WHAT YOU'RE DOING
###
while read oldrev newrev ref; do
	# only checking out the branch to deploy
	if [[ $ref = refs/heads/$BRANCH ]]; then
		echo "Ref '$ref' received."

		if [ ! -d "$TARGET" ]; then
			echo "'${TARGET}' dir is missing, creating it"
			mkdir -p $TARGET
		fi

		echo "Deploying '${BRANCH}' branch to production"
		git --work-tree=$TARGET --git-dir=$GIT_DIR checkout --force $BRANCH

		# If it's a Node.js website and `npm install` needs to be trigerred
		if [ $NPM_INSTALL_CHECK = true ]; then
			npm_install_check
		fi

		if [ "$RESTART" = true ]; then
			echo "Restarting your web server ..."

			encoded_token=$(echo "$API_KEY account=$ACCOUNT:$PASSWORD" | base64 -w 0)
			status=$(curl --location --request POST "https://api.alwaysdata.com/v1/site/${SITE_ID}/restart/" --header "Authorization: Basic $encoded_token" --write-out '%{http_code}' --silent)

			if [ "$status" = 204 ]; then
				echo "✅ Site successfully restarted!"
			else
				echo "❌ An error occured when restarting your site, try to restart it manually"
				exit 1
			fi
		fi

		exit 0
	else
		echo "🙄 You pushed '$ref' branch,"
		echo "but you set '${BRANCH}' branch as deploy branch."
		echo "Exiting without error."

		exit 0
	fi
done