fix: pull changes before committing changes to deployment branch

scripts/zola.sh

@@ -100,8 +100,11 @@ deploy() {
 
 	if [[ -z $(git branch --list $1) ]]
 	then
+		"[*] Creating deployment branch $1"
 		git checkout --orphan $1
 	else
+		"[*] Deployment branch $1 exists, pulling changes from remote"
+		git pull origin $1 --force
 		git checkout $1 
 	fi
 
@@ -109,7 +112,7 @@ deploy() {
 	/bin/rm -rf *
 	cp -r $tmp_dir/* .
 	git add --all
-	if [ ! -z $(git status --porcelain) ];
+	if [ -n $(git status --porcelain) ];
 	then
 		git commit \
 			--author="$3" \