.gitlab-ci.yml: use shallow git clone

Signed-off-by: Daiki Ueno <ueno@gnu.org>

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f58cc4252a09b4ff3d0eed355ba7e8aab7cf7728..e4547e254560bb6fadae2239dd2eb2ddae4340dd 100644 (file)
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -5,6 +5,7 @@ stages:
   - archive
 
 variables:
+  GIT_DEPTH: 1
   GIT_SUBMODULE_STRATEGY: recursive
   # we utilize the images generated by the build-images project, to
   # speed up CI runs. We also use ccache and store config.cache