From 5159cb9ae1ea9c509c7429add6a8bb34a165f1ca Mon Sep 17 00:00:00 2001
From: Dmitry Maksyoma <ledestin@gmail.com>
Date: Tue, 16 Feb 2021 22:21:48 +1300
Subject: [PATCH] build-tarball: only rebuild www if it was changed

---
 builder/build-tarball | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/builder/build-tarball b/builder/build-tarball
index a070eaa..3cf9d2f 100755
--- a/builder/build-tarball
+++ b/builder/build-tarball
@@ -3,8 +3,13 @@
 set -e
 
 build_www_dir() {
-  docker build -t kasmweb/www -f builder/dockerfile.www.build .
-  docker run --rm -v $PWD/builder/www:/build kasmweb/www:latest
+  local webpacked_www=$PWD/builder/www
+  local src_www=kasmweb
+
+  if [ "$src_www" -nt "$webpacked_www" ]; then
+    docker build -t kasmweb/www -f builder/dockerfile.www.build .
+    docker run --rm -v $PWD/builder/www:/build kasmweb/www:latest
+  fi
 }
 
 shared_with_docker_dir=${GITLAB_SHARED_DIND_DIR:-/tmp}