DO-NOT-MERGE: mptcp: add GitHub Actions

Currently supported:

- irc: send notifications to the IRC channel

Signed-off-by: Matthieu Baerts <[email protected]>

.github/workflows/build-validation.yml

@@ -0,0 +1,48 @@
+name: "MPTCP Upstream Build Validation"
+on:
+  push:
+    branches:
+      - export
+      - refs/tags/patchew/*
+
+jobs:
+  build:
+    name: "Build (matrix)"
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        defconfig: ['x86_64', 'i386']
+        ipv6: ['with_ipv6', 'without_ipv6']
+        mptcp: ['with_mptcp', 'without_mptcp']
+    steps:
+      - name: "Checkout"
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 100 # we should not have more commits on top of net-next/export
+      - name: "Setup cache for CCache"
+        uses: actions/cache@v2
+        with:
+          path: ${{ github.workspace }}/.ccache
+          key: ${{ runner.os }}-build-${{ matrix.defconfig }}-${{ matrix.ipv6 }}-${{ matrix.mptcp }}-${{ github.run_id }}-${{ github.sha }}
+          restore-keys: ${{ runner.os }}-build-${{ matrix.defconfig }}-${{ matrix.ipv6 }}-${{ matrix.mptcp }}-
+      - name: "Build Validation"
+        uses: multipath-tcp/mptcp-upstream-validate-export-action@main
+        with:
+          each_commit: true
+          ccache_maxsize: 620M ## 5/2^3=625: 5GB = project limit ; 2^3 = matrix
+          defconfig: ${{ matrix.defconfig }}
+          ipv6: ${{ matrix.ipv6 }}
+          mptcp: ${{ matrix.mptcp }}
+  notif:
+    name: "IRC Notif"
+    needs: build
+    if: ${{ always() }} && github.repository_owner == 'multipath-tcp'
+    runs-on: ubuntu-latest
+    steps:
+      - name: "IRC notification"
+        uses: rectalogic/notify-irc@v1
+        with:
+          channel: "#MPTCPUpstream"
+          nickname: gh-build-bot
+          message: "New build validating ${{ github.ref }} ended with ${{ needs.build.result }} (started by ${{ github.actor }}): https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"

.github/workflows/irc.yml

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+name: "IRC Notifications"
+on:
+  create:
+  issues:
+    types: [opened, reopened, closed, assigned, unassigned]
+
+jobs:
+  irc:
+    if: github.repository_owner == 'multipath-tcp'
+    runs-on: ubuntu-latest
+    steps:
+      - name: irc tag
+        uses: rectalogic/notify-irc@v1
+        if: github.event_name == 'create' && github.event.ref_type == 'tag'
+        with:
+          channel: "#MPTCPUpstream"
+          nickname: gh-tag-bot
+          message: "New tag available: ${{ github.event.ref }} (by ${{ github.actor }})"
+      - name: irc issues
+        uses: rectalogic/notify-irc@v1
+        if: github.event_name == 'issues'
+        with:
+          channel: "#MPTCPUpstream"
+          nickname: gh-issues-bot
+          message: |
+            Issue #${{ github.event.issue.number }} has been ${{ github.event.action }} by ${{ github.actor }}.
+            Issue title: "${{ github.event.issue.title }}"
+            Issue opened by: ${{ github.event.issue.user.login }}
+            Assignee (if any): ${{ github.event.assignee.login }}
+            URL: ${{ github.event.issue.html_url }}

.github/workflows/update-tg-tree.yml

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+name: "Update TopGit tree"
+
+on:
+  workflow_dispatch:
+    inputs:
+      keep_base_untouched:
+        description: 'Set it to 1 to force a sync without updating the base from upstream'
+        required: true
+        default: '0'
+      force_sync:
+        description: 'Set it to 1 to force a sync even if net-next is not updated'
+        required: true
+        default: '0'
+
+  schedule:
+    - cron: '33 5 * * *' # in UTC: after US West coast's work day
+
+jobs:
+  export:
+    if: false && github.repository_owner == 'multipath-tcp'
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Checkout"
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0 # we need all commits for TopGit
+      - name: "Update TG tree"
+        uses: multipath-tcp/mptcp-upstream-topgit-action@main
+        with:
+          not_base: "${{ github.event.inputs.keep_base_untouched || '0' }}"
+          force_sync: "${{ github.event.inputs.force_sync || '0' }}"