Use flint for link checking (#424)

Signed-off-by: Gregor Zeitlinger <gregor.zeitlinger@grafana.com>

Author: zeitlinger

.github/config/lychee.toml

@@ -9,11 +9,6 @@ max_concurrency = 4
 # Check link anchors
 include_fragments = true
 
-remap = [
-  # workaround for https://github.com/lycheeverse/lychee/issues/1729
-  "https://github.com/(.*?)/(.*?)/blob/(.*?)/(.*#.*)$ https://raw.githubusercontent.com/$1/$2/$3/$4",
-]
-
 exclude = [
   "^https://github.com/.*#discussion_r.*$",
 ]

.github/renovate.json5

@@ -38,6 +38,17 @@
     },
   ],
   customManagers: [
+    {
+      // keep SHA-pinned raw.githubusercontent.com URLs in mise.toml up to date
+      customType: 'regex',
+      datasourceTemplate: 'github-tags',
+      managerFilePatterns: [
+        '/^mise\\.toml$/',
+      ],
+      matchStrings: [
+        'https://raw\\.githubusercontent\\.com/(?<depName>[^/]+/[^/]+)/(?<currentDigest>[a-f0-9]{40})/.*#\\s*(?<currentValue>v\\S+)',
+      ],
+    },
     {
       customType: 'regex',
       datasourceTemplate: 'docker',

.github/workflows/reusable-link-check.yml

@@ -12,20 +12,20 @@ jobs:
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
-          fetch-depth: 0 # needed for merge-base used in lint:links-in-modified-files
+          fetch-depth: 0 # needed for merge-base used in modified-files mode
 
       - uses: jdx/mise-action@6d1e696aa24c1aa1bcc1adea0212707c71ab78a8 # v3.6.1
 
       - name: Link check for pull requests
         if: github.event_name == 'pull_request'
         env:
           GITHUB_TOKEN: ${{ github.token }}
-        run: |
-          mise run lint:local-links
-          mise run lint:links-in-modified-files --base origin/${{ github.base_ref }} --head ${{ github.event.pull_request.head.sha }}
+          GITHUB_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
+          PR_HEAD_REPO: ${{ github.event.pull_request.head.repo.full_name }}
+        run: mise run lint:links
 
       - name: Link check for pushes and scheduled workflows
         if: github.event_name != 'pull_request'
         env:
           GITHUB_TOKEN: ${{ github.token }}
-        run: mise run lint:links
+        run: mise run lint:links --full

mise.toml

@@ -11,11 +11,7 @@ windows_executable_extensions = ["sh"]
 windows_default_file_shell_args = "bash"
 use_file_shell_for_executable_tasks = true
 
+# Pick the tasks you need from flint (https://github.com/grafana/flint)
 [tasks."lint:links"]
-file = "https://raw.githubusercontent.com/open-telemetry/opentelemetry-java-contrib/refs/heads/main/.mise/tasks/lint/links.sh"
-
-[tasks."lint:local-links"]
-file = "https://raw.githubusercontent.com/open-telemetry/opentelemetry-java-contrib/refs/heads/main/.mise/tasks/lint/local-links.sh"
-
-[tasks."lint:links-in-modified-files"]
-file = "https://raw.githubusercontent.com/open-telemetry/opentelemetry-java-contrib/refs/heads/main/.mise/tasks/lint/links-in-modified-files.sh"
+description = "Check for broken links in changed files + all local links"
+file = "https://raw.githubusercontent.com/grafana/flint/8822bdc543f28f2c7dd1f697af4df6d89768c507/tasks/lint/links.sh" # v0.7.0