A git hook for processing npm projects uploaded to live server using git

post-receive.sh

#! /usr/bin/env bash

source "~/.bashrc"

PROJECT_NAME="changenow-store"
DEPLOYMENT_PATH="~/tools/express-server/apps/$PROJECT_NAME"
BRANCH="main"

function initNodeApp () {
	local folderExisted=$1
	local WORKDIR="$PWD"

	cd "$DEPLOYMENT_PATH"

	pnpm install

	if [[ "$folderExisted" == false ]]
	then
		pnpm setup
		pnpm migrations
	else
		pnpm migrations
	fi

	cd ../../
	pnpm restart

	cd "$WORKDIR"
}

while read oldrev newrev ref
do
	# only checking out the master (or whatever branch you would like to deploy)
	if [ "$ref" = "refs/heads/$BRANCH" ];
	then
		echo "Ref $ref received. Deploying ${BRANCH} branch to production..."

		# rm -rf "$DEPLOYMENT_PATH"
		folderExisted=true
		if [  ! -d "$DEPLOYMENT_PATH" ]
		then
			mkdir "$DEPLOYMENT_PATH"
			folderExisted=false
		fi
			
		git --work-tree="$DEPLOYMENT_PATH" --git-dir="$PWD" checkout -f  main

		if [ -f "$DEPLOYMENT_PATH/package.json" ]
		then
			initNodeApp $folderExisted
		fi
		
	else
		echo "Ref $ref received. Doing nothing: only the ${BRANCH} branch may be deployed on this server."
	fi
done