From 96e7febeab7e0c4089a6cc48b81709098ef6163d Mon Sep 17 00:00:00 2001
From: Josh Soref <2119212+jsoref@users.noreply.github.com>
Date: Fri, 28 Jun 2024 16:36:27 -0400
Subject: [PATCH] Add link checker

---
 .github/actions/spelling/expect.txt |  1 +
 .github/workflows/link-checker.yml  | 43 +++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 .github/workflows/link-checker.yml

diff --git a/.github/actions/spelling/expect.txt b/.github/actions/spelling/expect.txt
index a9e136f..b7dbcc4 100644
--- a/.github/actions/spelling/expect.txt
+++ b/.github/actions/spelling/expect.txt
@@ -18,6 +18,7 @@ imageflow
 imazen
 interoperate
 jitsi
+linkchecker
 mergeable
 noreply
 oneline
diff --git a/.github/workflows/link-checker.yml b/.github/workflows/link-checker.yml
new file mode 100644
index 0000000..e7f333e
--- /dev/null
+++ b/.github/workflows/link-checker.yml
@@ -0,0 +1,43 @@
+name: Link Checker
+
+on:
+  push:
+  workflow_dispatch:
+
+jobs:
+  link-checker:
+    name: Run link checker
+    permissions:
+      contents: read
+    runs-on: ubuntu-latest
+    steps:
+    - name: set up link checker
+      run: |
+        python3 -m venv linkchecker
+        . linkchecker/bin/activate
+        pip3 install linkchecker
+    - name: check links
+      run: |
+        (
+          echo '# Link Checker'
+          echo
+          echo '```'
+          ./linkchecker/bin/linkchecker https://docs.check-spelling.dev/ |
+          perl -ne '
+            if (/^Start checking/) {
+              $state = 1;
+              print STDERR;
+              next;
+            }
+            if (/^Statistics:/) {
+              $state = 2;
+            }
+            if ($state == 1) {
+              print;
+            } else {
+              print STDERR;
+            }
+          '
+          echo '```'
+          echo
+        ) >> "$GITHUB_STEP_SUMMARY"