ci: simplify

Author: apprehensions

.github/workflows/main.yml

@@ -7,59 +7,15 @@ on:
       - master
 
 jobs:
-  # Enforce the standard of g_malloc instead of malloc in the project
-  enforce-g_malloc:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v2
-      with:
-        # Clone the whole branch, we have to fetch tags later
-        fetch-depth: 0
-
-    - name: enforce-g_malloc
-      run: "! git grep -P '(?<!g_)malloc' ':!.valgrind.suppressions' ':!.github/workflows/main.yml'"
-
   build:
-    strategy:
-      matrix:
-        CC:
-          - clang
-          - gcc
-        distro:
-          - alpine
-          - archlinux
-          - debian-stretch
-          - debian-buster
-          - fedora
-          - ubuntu-xenial
-          - ubuntu-bionic
-          - ubuntu-focal
-
-    env:
-      CC: ${{ matrix.CC }}
-      EXTRA_CFLAGS: "-Werror"
+    runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
-      with:
-        # Clone the whole branch, we have to fetch tags later
-        fetch-depth: 0
-    - uses: actions/setup-python@v1
-      with:
-        python-version: '3.x'
-    - run: pip3 install meson ninja
+    - uses: actions/checkout@v4
 
-    # Fetch tags to determine proper version number inside git
-    - name: fetch tags
-      run: git fetch --tags
-      # We cannot pull tags with old distros, since there is no `.git`. See below.
-      if: "! (matrix.distro == 'ubuntu-bionic' || matrix.distro == 'ubuntu-xenial' || matrix.distro == 'debian-stretch')"
-
-    # The Github checkout Action doesn't support distros with git older than 2.18
-    # With git<2.18 it downloads the code via API and does not clone it via git :facepalm:
-    # To succeed the tests, we have to manually replace the VERSION macro
-    - name: fix version number for old distros
-      run: 'sed -i "s/-non-git/-ci-oldgit-$GITHUB_SHA/" Makefile'
-      if: "  (matrix.distro == 'ubuntu-bionic' || matrix.distro == 'ubuntu-xenial' || matrix.distro == 'debian-stretch')"
+    - name: Install dependencies
+    - run: |
+        sudo apt install -y ninja-build python3-pip
+        pip3 install meson
 
     - name: Setup
       run: meson setup build
@@ -69,26 +25,3 @@ jobs:
 
     - name: Run tests
       run: ninja -C build test
-
-    runs-on: ubuntu-latest
-    container:
-      image: dunst/ci:${{ matrix.distro }}
-
-  doxygen:
-    strategy:
-      matrix:
-        distro:
-          - misc-doxygen
-
-    steps:
-    - uses: actions/checkout@v2
-      with:
-        # Clone the whole branch, we have to fetch tags later
-        fetch-depth: 0
-
-    - name: doxygen
-      run: make -j doc-doxygen
-
-    runs-on: ubuntu-latest
-    container:
-      image: dunst/ci:${{ matrix.distro }}