ci: Add PR changes to Documentation build workflow.

.github/workflows/doc_build.yml

@@ -44,6 +44,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
         with:
           ref: ${{ github.event.pull_request.head.sha || github.sha }}
+          fetch-depth: 0
 
       - name: Load doc add-on config
         uses: ./.github/actions/load-doc-config
@@ -109,6 +110,33 @@ jobs:
           mv "${MONITOR}" "$PUBLISH"
           if [[ -f pr.txt ]]; then mv pr.txt "$PUBLISH"; fi
 
+      - name: Find Matter add-on edited documents
+        if: github.event_name == 'pull_request'
+        run: |
+          PUBLISH="docs/publish"
+          mkdir -p "$PUBLISH"
+          COMMENT="${PUBLISH}/comment.txt"
+          PREFIX="${{ vars.NCS_DOC_PR_HOSTING_URL }}addons/${{ env.DOC_ADDON_NAME }}/PR-${{ github.event.pull_request.number }}/"
+          CHANGED=$(git diff --name-only --diff-filter=d "${{ github.event.pull_request.base.sha }}..HEAD")
+
+          echo "You can find the documentation preview for this PR [here](${PREFIX})." > "${COMMENT}"
+
+          DOCS=$(echo "$CHANGED" | \
+                grep -e "^docs/" | \
+                grep -e ".rst$" | \
+                sed -e "s#^docs\(.*\)\.rst#${PREFIX}\1.html#g")
+
+          SAMPLES=$(echo "$CHANGED" | \
+                    grep -e "^samples/" | \
+                    grep -e ".rst$" | \
+                    sed -e "s#^samples\(.*\)\.rst#${PREFIX}samples\1.html#g")
+
+          DOCS_ALL=$(printf "%s\n%s" "$DOCS" "$SAMPLES" | sed '/^$/d')
+
+          if [ -n "$DOCS_ALL" ]; then
+            printf "\nPreview links for modified Matter add-on documents:\n\n%s" "$DOCS_ALL" >> "${COMMENT}"
+          fi
+
       - name: Store
         if: ${{ !contains(github.event.pull_request.labels.*.name, 'external') || contains(github.event.pull_request.labels.*.name, 'CI-trusted-author') }}
         uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0

.github/workflows/doc_publish.yml

@@ -78,6 +78,5 @@ jobs:
         with:
           comment-id: ${{ steps.fc.outputs.comment-id }}
           issue-number: ${{ env.PR }}
-          body: |
-            You can find the documentation preview for this PR [here](${{ vars.NCS_DOC_PR_HOSTING_URL }}addons/${{ env.DOC_ADDON_NAME }}/PR-${{ env.PR }}/).
+          body-path: comment.txt
           edit-mode: replace

docs/bridge/matter_bridge_description.rst

@@ -1,5 +1,5 @@
 .. |matter_name| replace:: Matter bridge
-.. |matter_type| replace:: application
+.. |matter_type| replace:: sample
 .. |matter_dks_thread| replace:: ``nrf52840dk/nrf52840``, ``nrf5340dk/nrf5340/cpuapp``, ``nrf54l15dk/nrf54l15/cpuapp``, ``nrf54lm20dk/nrf54lm20b/cpuapp``, and ``nrf54lm20dk/nrf54lm20a/cpuapp`` board targets
 .. |matter_dks_wifi| replace:: ``nrf54lm20dk/nrf54lm20b/cpuapp`` and ``nrf54lm20dk/nrf54lm20a/cpuapp`` board targets with the ``nrf7002eb2`` shield attached
 .. |matter_dks_internal| replace:: nRF54LM20 DK

samples/weather_station/README.rst

@@ -1,5 +1,5 @@
 .. |matter_name| replace:: weather station
-.. |matter_type| replace:: application
+.. |matter_type| replace:: sample
 .. |matter_dks_thread| replace:: ``thingy53/nrf5340/cpuapp`` and ``nrf54l15tag/nrf54l15/cpuapp`` board targets
 .. |matter_dks_wifi| replace:: ``thingy53/nrf5340/cpuapp`` board target with the ``nrf7002eb`` expansion board attached
 .. |sample path| replace:: :file:`applications/matter_weather_station`