From 7187138bb78d41e41c3d8d8a9d82fa1fe04184db Mon Sep 17 00:00:00 2001
From: Krzesimir Nowak <knowak@microsoft.com>
Date: Fri, 23 Sep 2022 13:17:04 +0200
Subject: [PATCH] .github: Add an automatic package updates workflow

It will run on every Monday and will try to update packages listed in
the package listing. This can be used to gradually add more and more
packages under the automation.
---
 .../.github/workflows/packages-list           |  1 +
 .../workflows/update-packages-from-list.yml   | 65 +++++++++++++++++++
 2 files changed, 66 insertions(+)
 create mode 100644 sdk_container/src/third_party/portage-stable/.github/workflows/packages-list
 create mode 100644 sdk_container/src/third_party/portage-stable/.github/workflows/update-packages-from-list.yml

diff --git a/sdk_container/src/third_party/portage-stable/.github/workflows/packages-list b/sdk_container/src/third_party/portage-stable/.github/workflows/packages-list
new file mode 100644
index 0000000000..370910af55
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/.github/workflows/packages-list
@@ -0,0 +1 @@
+# Please keep the list sorted!
diff --git a/sdk_container/src/third_party/portage-stable/.github/workflows/update-packages-from-list.yml b/sdk_container/src/third_party/portage-stable/.github/workflows/update-packages-from-list.yml
new file mode 100644
index 0000000000..6ed0dd9b24
--- /dev/null
+++ b/sdk_container/src/third_party/portage-stable/.github/workflows/update-packages-from-list.yml
@@ -0,0 +1,65 @@
+name: Keep updated packages updated
+on:
+  schedule:
+    - cron:  '0 7 * * 1'
+  workflow_dispatch:
+
+jobs:
+  keep-packages-updated:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout portage-stable
+        uses: actions/checkout@v3
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          path: ./portage-stable
+      - name: Checkout gentoo
+        uses: actions/checkout@v2
+        with:
+          repository: gentoo/gentoo
+          path: gentoo
+          fetch-depth: 0
+      - name: Checkout build scripts
+        uses: actions/checkout@v2
+        with:
+          repository: flatcar/flatcar-build-scripts
+          ref: krnowak/stuff
+          path: flatcar-build-scripts
+      - name: Update listed packages
+        id: update-listed-packages
+        run: |
+          git config --global user.name "Flatcar Buildbot"
+          git config --global user.email "buildbot@flatcar-linux.org"
+          old_head=$(git -C portage-stable rev-parse HEAD)
+          cd portage-stable
+          while read -r package; do
+              if [[ ! -d "${package}" ]]; then
+                  # If this happens, it means that the package was moved to overlay
+                  # or dropped, the list ought to be updated.
+                  echo "::warning title=${package}::Nonexistent package"
+                  continue
+              fi
+              GENTOO_REPO=../gentoo ../flatcar-build-scripts/sync-with-gentoo "${package}"
+          done < <(grep '^[^#]' .github/workflows/packages-list)
+          cd ..
+          new_head=$(git -C portage-stable rev-parse HEAD)
+          updated=0
+          count=0
+          if [[ "${new_head}" != "${old_head}" ]]; then
+              updated=1
+              count=$(git -C portage-stable rev-list --count "${old_head}..${new_head}")
+          fi
+          echo ::set-output "name=UPDATED::${updated}"
+          echo ::set-output "name=COUNT::${count}"
+      - name: Create pull request for main branch
+        uses: peter-evans/create-pull-request@v4
+        if: steps.update-listed-packages.outputs.UPDATED == 1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          path: portage-stable
+          branch: buildbot/automatic-package-updates
+          delete-branch: true
+          base: main
+          title: Weekly package updates
+          body: Updated ${{steps.update-listed-packages.outputs.COUNT }} package(s).
+          labels: main