[gnome-build-meta/alatiera/async-image-builds] ci: declare the dependency graph for the vm image builds

[Jordan Petridis <jpetridis src gnome org>]

commit fecab28d3ced49974f8f61591e09c813a94096a2
Author: Jordan Petridis <jordan centricular com>
Date:   Tue Sep 1 19:14:46 2020 +0300

    ci: declare the dependency graph for the vm image builds

 .gitlab-ci.yml | 12 ++++++++++++
 1 file changed, 12 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9e1d91dc..422ce88a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -237,6 +237,9 @@ vm-image-x86_64:
   extends:
   - .manual-image-template
   - .x86_64
+  needs:
+    - job: 'build-x86_64'
+      artifacts: false
   variables:
     IMAGE: vm/image.bst
 
@@ -244,6 +247,9 @@ pinebook-pro-image:
   extends:
   - .manual-image-template
   - .aarch64
+  needs:
+    - job: 'build-aarch64'
+      artifacts: false
   variables:
     IMAGE: boards/pinebook-pro/image.bst
 
@@ -251,6 +257,9 @@ rock64-image:
   extends:
   - .manual-image-template
   - .aarch64
+  needs:
+    - job: 'build-aarch64'
+      artifacts: false
   variables:
     IMAGE: boards/rock64/image.bst
 
@@ -258,6 +267,9 @@ raspberrypi-4-image:
   extends:
   - .manual-image-template
   - .aarch64
+  needs:
+    - job: 'build-aarch64'
+      artifacts: false
   variables:
     IMAGE: boards/raspberrypi-4/image.bst