ci: add Automerge; combine workflows

Signed-off-by: Unai Martinez-Corral <umartinezcorral@antmicro.com>

.github/workflows/Automerge.yml

@@ -0,0 +1,29 @@
+name: Automerge
+
+on:
+  pull_request:
+  push:
+  schedule:
+    - cron: '0 0 * * *'
+  workflow_dispatch:
+
+jobs:
+
+
+  Pipeline:
+    if: ${{ !(github.event_name != 'pull_request' && github.actor == 'dependabot[bot]') }}
+    uses: ./.github/workflows/Pipeline.yml
+
+
+  Automerge:
+    needs: Pipeline
+    if: github.event_name == 'pull_request' && github.actor == 'dependabot[bot]'
+    runs-on: ubuntu-latest
+    name: Automerge dependabot PRs
+    permissions:
+      contents: write
+
+    steps:
+
+      - name: Auto-merge Dependabot PR
+        run: GITHUB_TOKEN='${{ github.token }}' gh pr merge '${{ github.event.pull_request.html_url }}' --squash

.github/workflows/Pipeline.yml

@@ -1,12 +1,11 @@
-on:
-  pull_request:
-  push:
-  schedule:
-    - cron: '0 0 * * *'
+name: Pipeline
 
-name: Database
+on:
+  workflow_call:
 
 jobs:
+
+
   BuildDatabase:
     container: ubuntu:bionic
 
@@ -60,3 +59,40 @@ jobs:
             **/fuzzers/*.tgz
             **/database/${{ matrix.family }}/**"
 
+
+  Tests:
+    container: ubuntu:bionic
+
+    runs-on: [self-hosted, Linux, X64]
+
+    env:
+      ALLOW_ROOT: true
+
+    steps:
+
+      - uses: actions/checkout@v2
+        with:
+          submodules: recursive
+
+      - name: Install
+        run: |
+          apt update
+          apt install -y \
+            bash bison build-essential ca-certificates clang-format cmake psmisc \
+            colordiff coreutils git flex python3 python3-dev python3-venv xsltproc
+
+      - name: Build
+        run: make build --output-sync=target --warn-undefined-variables -j$(nproc)
+
+      - name: Environment
+        run: make env --output-sync=target --warn-undefined-variables
+
+      - name: Run Test
+        run: make test --output-sync=target --warn-undefined-variables
+
+      - uses: actions/upload-artifact@v2
+        if: ${{ always() }}
+        with:
+          path: |
+            **/results*.gz
+            **/plot_*.svg

.github/workflows/tests.yml

@@ -1,46 +0,0 @@
-on:
-  pull_request:
-  push:
-  schedule:
-    - cron: '0 0 * * *'
-
-name: Tests
-
-jobs:
-
-  Tests:
-    container: ubuntu:bionic
-
-    runs-on: [self-hosted, Linux, X64]
-
-    env:
-      ALLOW_ROOT: true
-
-    steps:
-
-      - uses: actions/checkout@v2
-        with:
-          submodules: recursive
-
-      - name: Install
-        run: |
-          apt update
-          apt install -y \
-            bash bison build-essential ca-certificates clang-format cmake psmisc \
-            colordiff coreutils git flex python3 python3-dev python3-venv xsltproc
-
-      - name: Build
-        run: make build --output-sync=target --warn-undefined-variables -j$(nproc)
-
-      - name: Environment
-        run: make env --output-sync=target --warn-undefined-variables
-
-      - name: Run Test
-        run: make test --output-sync=target --warn-undefined-variables
-
-      - uses: actions/upload-artifact@v2
-        if: ${{ always() }}
-        with:
-          path: |
-            **/results*.gz
-            **/plot_*.svg