Merge branch 'optional-ci-runs' into 'main'

ci: Add ability to run manually some specific jobs

See merge request GNOME/glib!3847

.gitlab-ci.yml

@@ -61,6 +61,50 @@ variables:
   except:
     - tags
 
+# Some jobs take a long time and are unlikely to find failures (or will find
+# failures which are not merge-blockers to fix), so they’re executed on a weekly
+# schedule in order to save CI resources and speed up branch pipelines.
+# But for specific merge requests, one may still want to run them, so make
+# possible to run them manually.
+.only-schedules-or-manual:
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
+      when: never
+    # As per rule before, the following rules will only apply to non MR events
+    - if: $CI_PIPELINE_SOURCE == "schedule"
+      when: always
+    - if: $CI_PIPELINE_SOURCE != "schedule"
+      when: manual
+      allow_failure: true
+
+# Some jobs should be runnable only on schedules and when triggered by a branch
+# in the origin repository, but without
+.only-schedules-or-manual-in-default-branch:
+  rules:
+    - if: $CI_PROJECT_PATH != "GNOME/glib" || $CI_COMMIT_BRANCH != $CI_DEFAULT_BRANCH
+      when: never
+    # As per rule before, the following rules will apply only to GNOME/glib:main
+    - if: $CI_PIPELINE_SOURCE == "schedule"
+      when: always
+    - if: $CI_PIPELINE_SOURCE != "schedule"
+      when: manual
+      allow_failure: true
+
+# Some jobs run on CI runners don’t have much available resource.
+# Limit those jobs to only ones on the origin repository (GNOME/glib),
+# rather than people’s forks or if ran manually.
+.only-origin-or-manual:
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event"
+      when: never
+    - if: $CI_PIPELINE_SOURCE == "schedule"
+      when: never
+    - if: $CI_PROJECT_NAMESPACE == "GNOME"
+      when: always
+    - if: $CI_PROJECT_NAMESPACE != "GNOME"
+      when: manual
+      allow_failure: true
+
 .build-linux:
   before_script:
     - bash .gitlab-ci/show-execution-environment.sh
@@ -193,7 +237,7 @@ debian-stable-x86_64:
 
 hurd-i386:
   extends:
-    - .only-schedules
+    - .only-schedules-or-manual
   stage: build
   tags:
     - hurd
@@ -224,7 +268,7 @@ hurd-i386:
 muslc-alpine-x86_64:
   extends:
     - .build-linux
-    - .only-schedules
+    - .only-schedules-or-manual
   image: $ALPINE_IMAGE
   stage: build
   needs: []
@@ -255,7 +299,7 @@ muslc-alpine-x86_64:
 installed-tests:
   extends:
     - .build-linux
-    - .only-schedules
+    - .only-schedules-or-manual
   image: $FEDORA_IMAGE
   stage: build
   needs: []
@@ -293,7 +337,7 @@ installed-tests:
 G_DISABLE_ASSERT:
   extends:
     - .build-linux
-    - .only-schedules
+    - .only-schedules-or-manual
   image: $FEDORA_IMAGE
   stage: build
   needs: []
@@ -324,7 +368,7 @@ G_DISABLE_ASSERT:
 valgrind:
   extends:
     - .build-linux
-    - .only-schedules
+    - .only-schedules-or-manual
   image: $FEDORA_IMAGE
   stage: analysis
   needs: []
@@ -432,7 +476,7 @@ msys2-mingw32:
       - _coverage/
 
 msys2-clang64:
-  extends: .only-schedules
+  extends: .only-schedules-or-manual
   stage: build
   tags:
     - win32-ps
@@ -513,7 +557,7 @@ vs2017-x64-static:
       - _build/meson-logs
 
 freebsd-13-x86_64:
-  extends: .only-origin
+  extends: .only-origin-or-manual
   stage: build
   tags:
     - freebsd-13
@@ -549,7 +593,7 @@ freebsd-13-x86_64:
       - "_build/meson-logs"
 
 macos-x86_64:
-  extends: .only-origin
+  extends: .only-origin-or-manual
   stage: build
   tags:
     - macosintel
@@ -631,7 +675,7 @@ coverage:
 scan-build:
   extends:
     - .build-linux
-    - .only-schedules
+    - .only-schedules-or-manual
   image: $FEDORA_IMAGE
   stage: analysis
   needs: []
@@ -658,7 +702,7 @@ scan-build:
 .coverity:
   extends:
     - .build-linux
-    - .only-schedules
+    - .only-schedules-or-manual-in-default-branch
   image: $COVERITY_IMAGE
   stage: analysis
   needs: []
@@ -691,7 +735,7 @@ scan-build:
       - "cov-int/build-log.txt"
 
 pages:
-  extends: .only-schedules
+  extends: .only-schedules-or-manual-in-default-branch
   stage: deploy
   needs: ['coverage', 'style-check-advisory']
   script: