feat(presets): add changelogUrl link for GitLab-based digest updates

Author: RahulGautamSingh

lib/config/presets/index.spec.ts

@@ -637,6 +637,7 @@ describe('config/presets/index', () => {
           'replacements:all',
           'workarounds:all',
           'helpers:githubDigestChangelogs',
+          'helpers:gitlabDigestChangelogs',
           'helpers:goXPackagesChangelogLink',
           'helpers:goXPackagesNameLink',
         ],

lib/config/presets/internal/config.preset.ts

@@ -36,6 +36,7 @@ export const presets: Record<string, Preset> = {
       'replacements:all',
       'workarounds:all',
       'helpers:githubDigestChangelogs',
+      'helpers:gitlabDigestChangelogs',
       'helpers:goXPackagesChangelogLink',
       'helpers:goXPackagesNameLink',
     ],

lib/config/presets/internal/helpers.preset.ts

@@ -36,6 +36,24 @@ export const presets: Record<string, Preset> = {
       },
     ],
   },
+  gitlabDigestChangelogs: {
+    description:
+      'Ensure that every dependency pinned by digest and sourced from GitLab.com contains a link to the commit-to-commit diff',
+    packageRules: [
+      {
+        changelogUrl:
+          '{{sourceUrl}}/-/compare/{{currentDigest}}...{{newDigest}}',
+        matchDatasources: [
+          'git-refs',
+          'git-tags',
+          'gitlab-releases',
+          'gitlab-tags',
+        ],
+        matchSourceUrls: ['https://gitlab.com/**'],
+        matchUpdateTypes: ['digest'],
+      },
+    ],
+  },
   goXPackagesChangelogLink: {
     description: 'Correctly link to the source code for golang.org/x packages',
     packageRules: [