From f069fce0893634b6adc256246d5baea4c86a3cd9 Mon Sep 17 00:00:00 2001
From: VisruthSK <public@visruth.com>
Date: Mon, 12 Oct 2026 14:22:09 -0700
Subject: [PATCH 1/2] Add sticky comment [no ci]

---
 .github/workflows/pkgdown.yaml | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/pkgdown.yaml b/.github/workflows/pkgdown.yaml
index 9945c493b..af0c9f316 100644
--- a/.github/workflows/pkgdown.yaml
+++ b/.github/workflows/pkgdown.yaml
@@ -32,6 +32,7 @@ jobs:
       NOT_CRAN: "true"
     permissions:
       contents: write
+      pull-requests: write
     steps:
       - uses: actions/checkout@v7
 
@@ -62,8 +63,11 @@ jobs:
               Sys.setenv(PKGDOWN_DEV_MODE = "unreleased")
             }
 
+            preview <- paste0(pkg$meta$url, "/pr/", pr_number)
+            cat(paste0("PREVIEW_URL=", preview, "\n"), file = Sys.getenv("GITHUB_ENV"), append = TRUE)
+
             override <- list(
-              url = paste0(pkg$meta$url, "/pr/", pr_number),
+              url = preview,
               template = list(
                 params = list(noindex = TRUE)
               )
@@ -91,6 +95,16 @@ jobs:
           clean: true
           force: false
 
+      - name: Comment preview link
+        if: >
+          github.event_name == 'pull_request' &&
+          github.event.pull_request.head.repo.full_name == github.repository
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          message: |
+            Preview: ${{ env.PREVIEW_URL }}
+            Built from ${{ github.event.pull_request.head.sha }}
+
       - name: Deploy site
         if: github.event_name != 'pull_request'
         uses: JamesIves/github-pages-deploy-action@v4

From 8a8082833a6c58fbfa7bfe300f2440397e43ad50 Mon Sep 17 00:00:00 2001
From: Visruth Srimath Kandali <public@visruth.com>
Date: Mon, 12 Oct 2026 17:42:27 -0700
Subject: [PATCH 2/2] Update pkgdown.yaml

---
 .github/workflows/pkgdown.yaml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/.github/workflows/pkgdown.yaml b/.github/workflows/pkgdown.yaml
index af0c9f316..986f88ad4 100644
--- a/.github/workflows/pkgdown.yaml
+++ b/.github/workflows/pkgdown.yaml
@@ -125,6 +125,7 @@ jobs:
 
     permissions:
       contents: write
+      pull-requests: write
 
     steps:
       - uses: actions/checkout@v7
@@ -147,3 +148,9 @@ jobs:
           git commit -m "Remove pkgdown preview for PR #$PR_NUMBER"
           git pull --rebase origin gh-pages
           git push origin HEAD:gh-pages
+          
+      - name: Hide preview comment
+        uses: marocchino/sticky-pull-request-comment@v2
+        with:
+          hide: true
+          hide_classify: OUTDATED