added staging deployment script

deploy-staging.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+staging_dir="/var/www/staging"
+repo_owner=lowellmakes
+repo_name=3dprinterstatus
+workflow_name=php.yml
+branch_name=main
+repo_url="https://github.com/${repo_owner}/${repo_name}.git"
+github_api_url="https://api.github.com/repos/${repo_owner}/${repo_name}/actions/workflows/${workflow_name}/runs"
+
+while true; do
+
+	# Get the checked out local commit
+	cd $staging_dir
+    latest_local_commit=$(git branch|awk -F '[ |)]' '/HEAD/ {print $5}')
+	echo "latest_local_Commit = ${latest_local_commit}" #DEBUG
+
+	# Get the last successful workflow run
+	response=$(curl -sS -H "Accept: application/vnd.github.v3+json" \
+		-G ${github_api_url} \
+		--data-urlencode "branch=${branch_name}" \
+		--data-urlencode "status=success" \
+		--data-urlencode "per_page=1" \
+		--data-urlencode "page=1")
+
+	# Extract commit ID if any successful run exists
+	latest_remote_merge_commit=$(echo ${response} | jq -r '.workflow_runs[0].head_commit.id'|cut -c1-7)
+	echo "latest merge commit = ${latest_remote_merge_commit}" #DEBUG
+
+	if [ "${latest_local_commit}" = "${latest_remote_merge_commit}" ]; then
+		echo "We are running the latest successful merge"
+    else
+        echo -e "We are not running the lastest successful merge\nChecking out ${latest_remote_merge_commit}"
+		cd ${staging_dir}
+		git checkout ${latest_remote_merge_commit} >/dev/null 2>&1
+    fi
+
+    echo "Checking again in 1 minute..."
+    sleep 10
+done