CI: add PR comments with URLs to built artifacts

.github/workflows/00-preclean.yml

@@ -0,0 +1,38 @@
+name: "GHA-00: Pre-clean"
+
+on:
+  push:
+    branches: [ "master", "FTY", "fightwarn", "FTY-obs" ]
+    tags:
+      - v*
+  pull_request_target:
+    # The branches below must be a subset of the branches above
+    # Note that for PRs this runs the copy of workflow in the
+    # target branch (and only then gets some of the permissions
+    # listed below), and identification/naming of PR source vs.
+    # a pushed branch (e.g. master updated by a PR merge) is
+    # tricky.
+    branches: [ "master", "FTY", "fightwarn", "FTY-obs" ]
+  workflow_dispatch:
+    # Allow manually running the action, e.g. if disabled after some quietness in the source
+
+permissions:
+  checks: write
+  contents: write
+  issues: write
+  pull-requests: write
+
+jobs:
+  clean:
+    runs-on: ubuntu-latest
+    steps:
+      - name: pr-deleter
+        if: github.event.pull_request.number > 0
+        uses: maheshrayas/action-pr-comment-delete@v3.0
+        with:
+          github_token: '${{ secrets.GITHUB_TOKEN }}'
+          org:   networkupstools	# '${{context.repo.owner}}'
+          repo:  nut	# '${{context.repo.repo}}'
+          user:  'AppVeyorBot'
+          # user:  'github-actions[bot]' #commented by the userid
+          issue: '${{github.event.number}}'

.github/workflows/01-make-dist.yml

@@ -81,6 +81,20 @@ jobs:
         echo "github.ref='${{ github.ref }}'" || true
         echo "github.ref_name='${{ github.ref_name }}'" || true
 
+    - name: "GHA-01: Create/Update new GH PR comment for future link"
+      if: github.event.pull_request.number > 0
+      continue-on-error: true
+      env:
+        ref: ${{ github.event.pull_request.head.sha || github.sha }}
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      uses: thollander/actions-comment-pull-request@v3
+      with:
+        message: |
+            Preparing a ZIP file with standard source tarball and another
+            tarball with pre-built docs for commit ${{ env.ref }} ...
+        comment-tag: tarball-url
+        github-token: ${{ env.GITHUB_TOKEN }}
+
     # Make build identification more useful (so we use no fallbacks in script)
     - name: Try to get more Git metadata
       run: |
@@ -267,6 +281,23 @@ jobs:
         compression-level: 0
         overwrite: true
 
+    - name: "GHA-01: Create/update new GH PR comment with link"
+      if: github.event.pull_request.number > 0
+      continue-on-error: true
+      env:
+        artifact_name: "NUT-tarballs-${{ steps.subst-github-ref-name.outputs.result }}.zip"
+        artifact_url: ${{ steps.upload_artifact.outputs.artifact-url }}
+        ref: ${{ github.event.pull_request.head.sha || github.sha }}
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      uses: thollander/actions-comment-pull-request@v3
+      with:
+        message: |
+            A ZIP file with standard source tarball and another tarball
+            with pre-built docs for commit ${{ env.ref }} is temporarily
+            available: [${{ env.artifact_name }}](${{ env.artifact_url }}).
+        comment-tag: tarball-url
+        github-token: ${{ env.GITHUB_TOKEN }}
+
     # NOTE: Despite the docs examples, due to GH API changes in Mar 2025
     # this action can no longer update an existing check, only create a
     # new one. Also calls authenticated with "github-actions" GH App may

appveyor.yml

@@ -28,6 +28,22 @@ environment:
   APPVEYOR_CACHE_ENTRY_ZIP_ARGS: -t7z -m0=lzma -mx=6
   CCACHE_DIR: /home/appveyor/.ccache
 
+# Customize GH notification message template
+# TODO: for repetitive commits in a PR consider a clean-up GHA like
+#  https://github.com/marketplace/actions/delete-pr-comments-during-subsequent-ci
+notifications:
+  - provider: GitHubPullRequest
+    template: |
+      {{#passed}}:white_check_mark:{{/passed}}{{#failed}}:x:{{/failed}} [Build {{&projectName}} {{buildVersion}} {{status}}]({{buildUrl}}) (commit {{commitUrl}} by @{{&commitAuthorUsername}})
+      * [artifacts{{#failed}} (if any){{/failed}}]({{buildurl}}/artifacts)
+      {{#passed}}
+        {{#jobs}}
+          {{#messages}}
+      * {{message}}
+          {{/messages}}
+        {{/jobs}}
+      {{/passed}}
+
 # https://github.com/networkupstools/nut/blob/Windows-v2.8.0-1/docs/config-prereqs.txt#L951
 # or look for the chapter in nearby lines in later (current) revisions.
 # Note: not using `time` in scripts currently - they did upset
@@ -152,6 +168,15 @@ after_test:
         C:\msys64\usr\bin\bash -lc 'date -u'
         cd .inst
         7z a ../NUT-for-Windows-x86_64-SNAPSHOT-%APPVEYOR_BUILD_VERSION%.7z NUT*
+
+  # Consider APPVEYOR_PULL_REQUEST_HEAD_COMMIT (PR) vs APPVEYOR_REPO_COMMIT (target branch, or ephemeral)
+  - ps: |
+        $nut7z = "NUT-for-Windows-x86_64-SNAPSHOT-$($env:APPVEYOR_BUILD_VERSION).7z"
+        $msg = "A 7-zip archive with built NUT for Windows debug binaries is temporarily available: [$($nut7z)]($($env:APPVEYOR_URL)/api/buildjobs/$($env:APPVEYOR_JOB_ID)/artifacts/$($nut7z))"
+        echo $msg
+        echo "build-id:$($env:APPVEYOR_BUILD_ID) job-id:$($env:APPVEYOR_JOB_ID) prj-id:$($env:APPVEYOR_PROJECT_ID)"
+        Add-AppveyorMessage $msg
+
   - cmd: |
         REM Preserve the current working directory:
         set CHERE_INVOKING=yes