Autoupdate (#8)

New installer compatible with autoupdating

hyakvnc

@@ -234,16 +234,15 @@ function hyakvnc_check_updates {
 
 	local cur_branch
 	cur_branch="$(git -C "${HYAKVNC_REPO_DIR}" branch --show-current 2>&1 || true)"
-		[[ -z "${cur_branch}" ]] && {
+	[[ -z "${cur_branch}" ]] && {
 		log ERROR "Couldn't determine current branch. Can't pull updates."
 		return 1
 	}
 
 	[[ "${cur_branch}" != "main" ]] && {
 		log WARN "Current branch is ${cur_branch}, not main. Be warned that this branch may not be up to date."
-		return 1
 	}
-	
+
 	local cur_date
 	cur_date="$(git -C "${HYAKVNC_REPO_DIR}" show -s --format=%cd --date=human-local "${cur_branch}" || echo ???)"
 	log INFO "The installed version was published ${cur_date}"
@@ -1537,9 +1536,18 @@ EOF
 
 # cmd_update()
 function cmd_update {
-	hyakvnc_check_updates || return 1
-	hyakvnc_pull_updates || return 1
-	return 0
+	log INFO "Checking for updates..."
+	if ! hyakvnc_check_updates; then
+		log INFO "No updates to apply."
+	else
+		log INFO "Applying updates..."
+		if ! hyakvnc_pull_updates; then
+			log WARN "No updates applied."
+			exit 1
+		else
+			log INFO "Update complete."
+		fi
+	fi
 }
 
 # ## COMMAND: config