From 7e58bb071057e6ad04c029199977c11c62a39747 Mon Sep 17 00:00:00 2001
From: emdneto <9735060+emdneto@users.noreply.github.com>
Date: Wed, 11 Mar 2026 21:47:34 -0300
Subject: [PATCH 1/2] test

Signed-off-by: emdneto <9735060+emdneto@users.noreply.github.com>
---
 .github/workflows/check-links.yml | 45 +++++++++++++++----------------
 1 file changed, 22 insertions(+), 23 deletions(-)

diff --git a/.github/workflows/check-links.yml b/.github/workflows/check-links.yml
index aadb6d5651c..eafabd352d2 100644
--- a/.github/workflows/check-links.yml
+++ b/.github/workflows/check-links.yml
@@ -3,45 +3,44 @@ on:
   push:
     branches: [ main ]
   pull_request:
+    paths:
+      - '**/*.md'
+      - '.github/workflows/check-links.yml'
+      - '.github/workflows/check_links_config.json'
 
 permissions:
   contents: read
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.run_id }}
+  cancel-in-progress: true
+
 jobs:
-  changedfiles:
-    name: changed files
-    runs-on: ubuntu-latest
-    if: ${{ github.actor != 'dependabot[bot]' }}
-    outputs:
-      md: ${{ steps.changes.outputs.md }}
-    steps:
-      - name: Checkout Repo
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-      - name: Get changed files
-        id: changes
-        run: |
-          echo "md=$(git diff --name-only --diff-filter=ACMRTUXB $(git merge-base origin/main ${{ github.event.pull_request.head.sha }}) ${{ github.event.pull_request.head.sha }} | grep .md$ | xargs)" >> $GITHUB_OUTPUT
   check-links:
     runs-on: ubuntu-latest
-    needs: changedfiles
-    if: |
-      github.event.pull_request.user.login != 'otelbot[bot]' && github.event_name == 'pull_request'
-      && ${{needs.changedfiles.outputs.md}}
+    timeout-minutes: 15
+    if: ${{ github.actor != 'dependabot[bot]' && github.actor != 'otelbot[bot]' }}
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
+
+      - name: Get changed markdown files
+        id: changed-files
+        uses: tj-actions/changed-files@v46
         with:
-          fetch-depth: 0
+          files: |
+            **/*.md
 
       - name: Install markdown-link-check
+        if: steps.changed-files.outputs.any_changed == 'true'
         run: npm install -g markdown-link-check@v3.12.2
 
       - name: Run markdown-link-check
+        if: steps.changed-files.outputs.any_changed == 'true'
+        env:
+          CHANGED_MARKDOWN_FILES: ${{ steps.changed-files.outputs.all_changed_files }}
         run: |
-          markdown-link-check \
+          printf '%s\n' "$CHANGED_MARKDOWN_FILES" | tr ' ' '\n' | xargs -r -n 1 -P 4 markdown-link-check \
             --verbose \
             --config .github/workflows/check_links_config.json \
-            ${{needs.changedfiles.outputs.md}} \
             || { echo "Check that anchor links are lowercase"; exit 1; }

From 9a4659c75ac000a8cf612be939e83e486130bdcb Mon Sep 17 00:00:00 2001
From: emdneto <9735060+emdneto@users.noreply.github.com>
Date: Wed, 11 Mar 2026 21:59:54 -0300
Subject: [PATCH 2/2] test

---
 .github/workflows/check-links.yml | 7 ++++---
 CHANGELOG.md                      | 2 ++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/check-links.yml b/.github/workflows/check-links.yml
index eafabd352d2..a353a1a74fb 100644
--- a/.github/workflows/check-links.yml
+++ b/.github/workflows/check-links.yml
@@ -23,6 +23,8 @@ jobs:
     steps:
       - name: Checkout Repo
         uses: actions/checkout@v6
+        with:
+          fetch-depth: 0
 
       - name: Get changed markdown files
         id: changed-files
@@ -37,10 +39,9 @@ jobs:
 
       - name: Run markdown-link-check
         if: steps.changed-files.outputs.any_changed == 'true'
-        env:
-          CHANGED_MARKDOWN_FILES: ${{ steps.changed-files.outputs.all_changed_files }}
         run: |
-          printf '%s\n' "$CHANGED_MARKDOWN_FILES" | tr ' ' '\n' | xargs -r -n 1 -P 4 markdown-link-check \
+          markdown-link-check \
             --verbose \
             --config .github/workflows/check_links_config.json \
+            ${{ steps.changed-files.outputs.all_changed_files }} \
             || { echo "Check that anchor links are lowercase"; exit 1; }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9130b344751..4be09fa75ab 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#4935](https://github.com/open-telemetry/opentelemetry-python/pull/4935))
 - `opentelemetry-sdk`: upgrade vendored OTel configuration schema from v1.0.0-rc.3 to v1.0.0
   ([#4965](https://github.com/open-telemetry/opentelemetry-python/pull/4965))
+- improve check-links ci job
+  ([#4965](https://github.com/open-telemetry/opentelemetry-python/pull/4965))
 
 ## Version 1.40.0/0.61b0 (2026-03-04)