ci[github] Another attempt to make GH Actions work

Author: mcepl

.github/problem-matchers/gcc.json

@@ -3,7 +3,7 @@ name: Tests
 # gh-84728: "paths-ignore" is not used to skip documentation-only PRs, because
 # it prevents to mark a job as mandatory. A PR cannot be merged if a job is
 # mandatory but not scheduled because of "paths-ignore".
-on:
+off:
   workflow_dispatch:
   push:
     branches:

.github/workflows/build.yml

@@ -0,0 +1,46 @@
+name: Build and Test
+
+on:
+  push:
+    branches: [ master, opensuse ]
+  pull_request:
+    branches: [ master, opensuse ]
+
+jobs:
+  build_and_test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        docker: [opensuse/leap]
+
+    container: ${{ matrix.docker }}
+
+    steps:
+      - run: zypper -n install
+              rpm-build
+              pkg-config
+              autoconf-archive
+              ccache
+              gdb
+              lcov
+              gdbm-devel
+              libbz2-devel
+              libb2-devel
+              libffi-devel
+              liblzma5
+              libopenssl-3-devel
+              mpdecimal-devel
+              ncurses5-devel
+              readline6-devel
+              sqlite3-devel
+              strace
+              tk-devel
+              uuid-devel
+              xvfb-run
+              xz-devel
+              zlib-devel
+      - uses: actions/checkout@v2
+      - run: ./configure --with-pydebug
+      - run: make -j
+      - run: ./python -m test -j

.github/workflows/main.yml

@@ -1,6 +1,6 @@
 name: Docs
 
-on:
+off:
   workflow_call:
   workflow_dispatch:
 

.github/workflows/posix-deps-apt.sh

@@ -1,4 +1,4 @@
-on:
+off:
   workflow_call:
     inputs:
       config_hash: