use maintscript

debian/conf/gitlab-debian.conf

@@ -3,6 +3,7 @@ DB=postgres
 gitlab_user=gitlab
 gitlab_app_root=/usr/share/gitlab
 gitlab_data_dir=/var/lib/gitlab
+gitlab_cache_path=/var/cache/gitlab
 gitlab_scripts=/usr/lib/gitlab/scripts
 gitlab_yml_private=/var/lib/gitlab/gitlab.yml
 gitlab_yml=/etc/gitlab/gitlab.yml

debian/conf/tmpfiles.d/gitlab.conf

@@ -1,2 +1,2 @@
 d /run/gitlab 2750 gitlab www-data -
-L /run/gitlab/cache - - - - /var/lib/gitlab/cache
+L /run/gitlab/cache - - - - /var/cache/gitlab

debian/maintscript

@@ -0,0 +1,2 @@
+rm_conffile /etc/gitlab/initializers/devise_async.rb 8.8.2+dfsg-5 gitlab
+dir_to_symlink /run/gitlab/cache /var/cache/gitlab

debian/postinst

@@ -44,7 +44,6 @@ case "$1" in
 
     gitlab_builds_log=${gitlab_log_dir}/builds
     gitlab_repo_path=${gitlab_data_dir}/repositories
-    gitlab_cache_path=${gitlab_data_dir}/cache
     gitlab_uploads_path=${gitlab_data_dir}/public/uploads
 
     # Create directories and change ownership

debian/rake-tasks.sh

@@ -19,10 +19,6 @@ if ! [ -f "${gitlab_app_root}/config/secrets.yml" ]; then
 
 fi
 
-# Remove config files (already removed by upstream)
-dpkg-maintscript-helper rm_conffile \
-  /etc/gitlab/initializers/devise_async.rb 8.8.2+dfsg-5 gitlab -- "$@"
-
 # Check if the db is already present
 if [ "$(LANG=C su postgres -c "psql gitlab_production -c \"\d\"")" = \
 "No relations found." ]; then