[gnome-build-meta/alatiera/push-master] .gitlab-ci.yml: Factour out cache into a yaml anchor

[Jordan Petridis <jpetridis src gnome org>]

commit 2ab37d100e19e5ceffb6f2a2817ed83b0bb1548c
Author: Jordan Petridis <jpetridis gnome org>
Date:   Thu Sep 27 22:27:09 2018 +0300

    .gitlab-ci.yml: Factour out cache into a yaml anchor
    
    This avoids duplicating declaration of cache and artifacts blocks.

 .gitlab-ci.yml | 50 +++++++++++++++-----------------------------------
 1 file changed, 15 insertions(+), 35 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e39ab0b..dd9dfea 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -12,15 +12,6 @@ stages:
   - track
   - build
 
-
-# Store all the downloaded git and ostree repos in the cache.
-# This saves us fetching them on every build
-cache:
-  key: bst
-  paths:
-    - "${XDG_CACHE_HOME}/buildstream/sources/"
-
-
 before_script:
   # Remove any installed buildstream binary
   - pip3 uninstall -y buildstream
@@ -85,8 +76,22 @@ before_script:
 
     fi
 
+.cache-template: &cache
+  # Store all the downloaded sources in the distributed cache, so that later
+  # jobs don't need to redownload them.
+  cache:
+    key: bst
+    paths:
+      - "${XDG_CACHE_HOME}/buildstream/sources/"
+  artifacts:
+    when: always
+    paths:
+      - logs
+      - project.refs
+
 .build-template: &build
   stage: build
+  <<: *cache
   script:
     - ${BST} -o arch "${ARCH}" build core.bst flatpak-runtimes.bst
 
@@ -108,38 +113,13 @@ before_script:
         ssh gbm-builder.gnome.org gbm-flatpak-scripts/import-commits -c config/nightly.json 
incoming/repo-${CI_JOB_ID} ${BRANCHES}
       fi
 
-  # Store all the downloaded git and ostree repos in the distributed cache.
-  # This saves us fetching them from the different repos and further afield
-  # on every build.
-  cache:
-    key: bst
-    paths:
-      - "${XDG_CACHE_HOME}/buildstream/sources/"
-  # Store artifacts so we can inspect build failures
-  artifacts:
-    when: always
-    paths:
-      - logs
-      - project.refs
-
 track:
   image: buildstream/buildstream-fedora:master-113-499df6a5
   stage: track
+  <<: *cache
   script:
     - ${BST} track --deps all core.bst flatpak-runtimes.bst
 
-  # Store all the downloaded sources in the distributed cache, so that later
-  # jobs don't need to redownload them.
-  cache:
-    key: bst
-    paths:
-      - "${XDG_CACHE_HOME}/buildstream/sources/"
-  artifacts:
-    when: always
-    paths:
-      - logs
-      - project.refs
-
 
 build-gnome-core-x86_64:
   image: buildstream/buildstream-fedora:master-113-499df6a5