From 90da93137b938f1b6d821d44c30f0427ed36f4fd Mon Sep 17 00:00:00 2001
From: Jirka Borovec <6035284+Borda@users.noreply.github.com>
Date: Sat, 14 Oct 2023 01:14:33 +0900
Subject: [PATCH] ci: expose base branch & narrow scope for md links (#183)

---
 .github/workflows/check-md-links.yml | 26 ++++++++++++++++++--------
 .github/workflows/ci-use-checks.yaml | 12 +++++++++---
 CHANGELOG.md                         |  6 ++++++
 3 files changed, 33 insertions(+), 11 deletions(-)

diff --git a/.github/workflows/check-md-links.yml b/.github/workflows/check-md-links.yml
index dbf848e9..d6bd7a8d 100644
--- a/.github/workflows/check-md-links.yml
+++ b/.github/workflows/check-md-links.yml
@@ -4,6 +4,11 @@ name: Check Markdown links
 on:
   workflow_call:
     inputs:
+      base-branch:
+        description: "Default branch name"
+        required: true
+        type: string
+        default: "master"
       config-file:
         description: "Config file (JSON) used for markdown link checks"
         required: false
@@ -13,11 +18,14 @@ on:
 jobs:
   markdown-link-check:
     runs-on: ubuntu-20.04
+    env:
+      CONFIG_FILE: ${{ inputs.config-file }}
+      MODIFIED_ONLY: "no"
     steps:
       - uses: actions/checkout@master
 
       - name: Create local version of config
-        if: inputs.config-file == ''
+        if: ${{ inputs.config-file == '' }}
         run: |
           echo '{
           "ignorePatterns": [
@@ -34,16 +42,18 @@ jobs:
             }
           ]
           }' > 'markdown.links.config.json'
-          echo "CONFIG=markdown.links.config.json" >> $GITHUB_ENV
+          echo "CONFIG_FILE=markdown.links.config.json" >> $GITHUB_ENV
           cat 'markdown.links.config.json'
-      - name: Show local version of config
-        if: inputs.config-file != ''
-        run: |
-          echo "CONFIG=${{ inputs.config-file }}" >> $GITHUB_ENV
-          cat ${{ inputs.config-file }}
+      - name: Show config
+        run: cat ${{ env.CONFIG_FILE }}
 
+      - name: narrow scope for PR
+        if: startsWith(github.event_name, 'pull_request')
+        run: echo "MODIFIED_ONLY=yes" >> $GITHUB_ENV
       - name: Checking markdown link
         uses: gaurav-nelson/github-action-markdown-link-check@v1
         with:
+          base-branch: ${{ inputs.base-branch }}
           use-quiet-mode: "yes"
-          config-file: ${{ env.CONFIG }}
+          check-modified-files-only: ${{ env.MODIFIED_ONLY }}
+          config-file: ${{ env.CONFIG_FILE }}
diff --git a/.github/workflows/ci-use-checks.yaml b/.github/workflows/ci-use-checks.yaml
index 19a9b02d..66986a4b 100644
--- a/.github/workflows/ci-use-checks.yaml
+++ b/.github/workflows/ci-use-checks.yaml
@@ -53,7 +53,13 @@ jobs:
       requirements-file: "requirements/dev-docs.txt"
       install-tex: true
 
-  check-md-links:
+  check-md-links-default:
     uses: ./.github/workflows/check-md-links.yml
-    #with:
-    #  config-file: ".github/markdown.links.config.json"
+    with:
+      base-branch: main
+
+  check-md-links-w-config:
+    uses: ./.github/workflows/check-md-links.yml
+    with:
+      base-branch: main
+      config-file: ".github/markdown.links.config.json"
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 76f0be06..b62053c9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - CI: allow Other targets for building docs ([#179](https://github.com/Lightning-AI/utilities/pull/179))
 
 
+- CI: narrow scope for md links check ([#183](https://github.com/Lightning-AI/utilities/pull/183))
+
+
 ### Deprecated
 
 - Deprecated `ModuleAvailableCache` in favor of `RequirementCache` ([#147](https://github.com/Lightning-AI/utilities/pull/147))
@@ -45,6 +48,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - CI: resolve latex dependency for docs builds ([181](https://github.com/Lightning-AI/utilities/pull/181))
 
 
+- CI: fixed branch for md links check ([#183](https://github.com/Lightning-AI/utilities/pull/183))
+
+
 ## [0.9.0] - 2023-06-29
 
 ### Added