[mutter] ci: Replace custom commit-log script with ci-fairy

[Marge Bot <marge-bot src gnome org>]

commit bd15cfc94bef40ef345cee5a5b52fc9a7ccc5c87
Author: Florian Müllner <fmuellner gnome org>
Date:   Sun Dec 13 03:57:00 2020 +0100

    ci: Replace custom commit-log script with ci-fairy
    
    ci-fairy now supports checking commit messages for required/disallowed
    patterns. Use that to replace our custom commit-log script.
    
    Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1649>

 .gitlab-ci.yml                 |  11 +++-
 .gitlab-ci/check-commit-log.sh | 121 -----------------------------------------
 .gitlab-ci/commit-rules.yml    |  19 +++++++
 3 files changed, 27 insertions(+), 124 deletions(-)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e353627171..224d407cb9 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,6 +1,6 @@
 include:
-  - remote: 
'https://gitlab.freedesktop.org/freedesktop/ci-templates/-/raw/8445ff7af2a68795afb98f486251f2ef8f90621c/templates/fedora.yml'
-  - remote: 
"https://gitlab.freedesktop.org/freedesktop/ci-templates/-/raw/8445ff7af2a68795afb98f486251f2ef8f90621c/templates/ci-fairy.yml";
+  - remote: 
'https://gitlab.freedesktop.org/freedesktop/ci-templates/-/raw/18194044f0f984c8815bc9a1a146582f6bf15d41/templates/fedora.yml'
+  - remote: 
"https://gitlab.freedesktop.org/freedesktop/ci-templates/-/raw/6f86b8bcb0cd5168c32779c4fea9a893c4a0c046/templates/ci-fairy.yml";
 
 stages:
  - review
@@ -85,7 +85,12 @@ check-commit-log:
   variables:
     GIT_DEPTH: "100"
   script:
-    - ./.gitlab-ci/check-commit-log.sh
+    - if [[ x"$CI_MERGE_REQUEST_TARGET_BRANCH_NAME" != "x" ]] ;
+      then
+        ci-fairy check-commits --junit-xml=commit-message-junit-report.xml ;
+      else
+        echo "Not a merge request" ;
+      fi
   artifacts:
     expire_in: 1 week
     paths:
diff --git a/.gitlab-ci/commit-rules.yml b/.gitlab-ci/commit-rules.yml
new file mode 100644
index 0000000000..1ae43374c1
--- /dev/null
+++ b/.gitlab-ci/commit-rules.yml
@@ -0,0 +1,19 @@
+patterns:
+  deny:
+    - regex: '^$CI_MERGE_REQUEST_PROJECT_URL/(-/)?merge_requests/$CI_MERGE_REQUEST_IID$'
+      message: Commit message must not contain a link to its own merge request
+    - regex: '^(meta-|Meta)'
+      message: Commit message subject should not be prefixed with 'meta-' or 'Meta'
+      where: subject
+    - regex: '^(clutter-|Clutter)'
+      message: Commit message subject should not be prefixed with 'clutter-' or 'Clutter', use 'clutter/' 
instead
+      where: subject
+    - regex: '^(cogl-|Cogl)'
+      message: Commit message subject should not be prefixed with 'cogl-' or 'Cogl', use 'cogl/' instead
+      where: subject
+    - regex: '^[^:]+: [a-z]'
+      message: "Commit message subject should be properly Capitalized. E.g.  'window: Marginalize 
extradicity'"
+      where: subject
+    - regex: '^\S*\.[ch]:'
+      message: Commit message subject prefix should not include .c, .h, etc.
+      where: subject