Speed up CI builds

.github/workflows/ci.yml

@@ -13,6 +13,10 @@ concurrency:
   group: ci-${{ github.ref }}
   cancel-in-progress: true
 
+env:
+  CCACHE_DIR: ${{ github.workspace }}/.ccache
+  CCACHE_MAXSIZE: 500M
+
 jobs:
   ubuntu-build:
     name: Ubuntu build and tests
@@ -22,65 +26,83 @@ jobs:
       - name: Check out source
         uses: actions/checkout@v4
 
+      - name: Restore compiler cache
+        uses: actions/cache@v4
+        with:
+          path: .ccache
+          key: ${{ runner.os }}-${{ github.job }}-ccache-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-${{ github.job }}-ccache-
+
       - name: Install dependencies
         run: |
           sudo apt-get update
           sudo apt-get install -y --no-install-recommends \
             build-essential \
+            ccache \
             cmake \
+            ninja-build \
             libx11-dev \
             libssl-dev \
             pkg-config \
             zlib1g-dev
 
       - name: Configure
-        run: cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
+        run: cmake -S . -B build -G Ninja -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
 
       - name: Build
         run: cmake --build build --parallel
 
       - name: Test
         run: ctest --test-dir build --output-on-failure
 
+      - name: Compiler cache stats
+        run: ccache --show-stats
+
   fedora-build:
     name: Fedora build and tests
     runs-on: ubuntu-latest
     container:
       image: fedora:latest
 
     steps:
-      - name: Install Git for checkout
-        run: dnf install -y git
-
-      - name: Check out source
-        uses: actions/checkout@v4
-
       - name: Install dependencies
         run: |
-          dnf install -y \
+          dnf install -y --setopt=install_weak_deps=False \
+            ccache \
             cmake \
             gcc-c++ \
+            git \
             gtk3-devel \
             libayatana-appindicator3-devel \
             libX11-devel \
             make \
+            ninja-build \
             openssl-devel \
             pkgconf-pkg-config \
             rpm-build \
             systemd-rpm-macros \
             zlib-devel
 
-      - name: Validate RPM packaging skeleton
-        run: MWB_VALIDATE_RPM_BUILD=1 scripts/validate-rpm-packaging.sh
+      - name: Check out source
+        uses: actions/checkout@v4
 
-      - name: Configure
-        run: cmake -S . -B build -DCMAKE_BUILD_TYPE=Release
+      - name: Restore compiler cache
+        uses: actions/cache@v4
+        with:
+          path: .ccache
+          key: ${{ runner.os }}-${{ github.job }}-ccache-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-${{ github.job }}-ccache-
 
-      - name: Build
-        run: cmake --build build --parallel
+      - name: Validate RPM packaging, build, and tests
+        run: |
+          MWB_VALIDATE_RPM_BUILD=1 \
+          MWB_RPM_CMAKE_EXTRA_ARGS="-G Ninja -DCMAKE_CXX_COMPILER_LAUNCHER=ccache" \
+          scripts/validate-rpm-packaging.sh
 
-      - name: Test
-        run: ctest --test-dir build --output-on-failure
+      - name: Compiler cache stats
+        run: ccache --show-stats
 
   sanitizers:
     name: ASan and UBSan
@@ -90,26 +112,39 @@ jobs:
       - name: Check out source
         uses: actions/checkout@v4
 
+      - name: Restore compiler cache
+        uses: actions/cache@v4
+        with:
+          path: .ccache
+          key: ${{ runner.os }}-${{ github.job }}-ccache-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-${{ github.job }}-ccache-
+
       - name: Install dependencies
         run: |
           sudo apt-get update
           sudo apt-get install -y --no-install-recommends \
             build-essential \
+            ccache \
             cmake \
+            ninja-build \
             libx11-dev \
             libssl-dev \
             pkg-config \
             zlib1g-dev
 
       - name: Configure
-        run: cmake -S . -B build-sanitize -DCMAKE_BUILD_TYPE=Debug -DMWB_ENABLE_SANITIZERS=ON
+        run: cmake -S . -B build-sanitize -G Ninja -DCMAKE_BUILD_TYPE=Debug -DMWB_ENABLE_SANITIZERS=ON -DCMAKE_CXX_COMPILER_LAUNCHER=ccache
 
       - name: Build
         run: cmake --build build-sanitize --parallel
 
       - name: Test
         run: ctest --test-dir build-sanitize --output-on-failure
 
+      - name: Compiler cache stats
+        run: ccache --show-stats
+
   static-checks:
     name: Static checks
     runs-on: ubuntu-latest

packaging/rpm/inputflow.spec

@@ -36,7 +36,7 @@ retain the mwb-client naming for compatibility.
 %autosetup -n %{name}-%{version}
 
 %build
-%cmake -DMWB_BUILD_TRAY=ON
+%cmake -DMWB_BUILD_TRAY=ON %{?mwb_cmake_extra_args}
 %cmake_build
 
 %install
@@ -52,6 +52,9 @@ install -Dpm0644 packaging/usr/lib/systemd/user/mwb-client.service %{buildroot}%
 install -Dpm0644 packaging/usr/share/applications/inputflow.desktop %{buildroot}%{_datadir}/applications/inputflow.desktop
 install -Dpm0644 assets/icons/inputflow-desktop.svg %{buildroot}%{_datadir}/icons/hicolor/scalable/apps/inputflow.svg
 
+%check
+ctest --test-dir %{_vpath_builddir} --output-on-failure
+
 %pre
 %sysusers_create %{_sysusersdir}/mwb-client.conf
 

scripts/validate-rpm-packaging.sh

@@ -104,6 +104,8 @@ grep -Eq 'install -Dpm0755 mwb-desktop-ui\.sh .+%\{_libexecdir\}/inputflow/mwb-d
 grep -Eq 'install -Dpm0755 scripts/inputflow-diagnostics-bundle\.sh .+%\{_libexecdir\}/inputflow/scripts/inputflow-diagnostics-bundle\.sh' "$spec_file" || fail "spec must install the diagnostics bundle executable"
 grep -Eq 'install -Dpm0644 packaging/usr/share/applications/inputflow\.desktop .+%\{_datadir\}/applications/inputflow\.desktop' "$spec_file" || fail "spec must install the desktop entry"
 grep -Eq 'install -Dpm0644 assets/icons/inputflow-desktop\.svg .+%\{_datadir\}/icons/hicolor/scalable/apps/inputflow\.svg' "$spec_file" || fail "spec must install the application icon"
+grep -Eq '^%check$' "$spec_file" || fail "spec must run package build tests in %check"
+grep -Eq 'ctest --test-dir .*\{_vpath_builddir\} --output-on-failure' "$spec_file" || fail "spec %check must run ctest"
 
 if command -v desktop-file-validate >/dev/null 2>&1; then
     run_quiet "desktop-file-validate" desktop-file-validate packaging/usr/share/applications/inputflow.desktop
@@ -142,7 +144,11 @@ if command -v rpmbuild >/dev/null 2>&1; then
             --transform "s#^\\./#${package_name}-${package_version}/#" \
             -czf "$topdir/SOURCES/${package_name}-${package_version}.tar.gz"
 
-        run_quiet "rpmbuild -bb" rpmbuild -bb --define "_topdir $topdir" "$spec_file"
+        rpm_args=(--define "_topdir $topdir")
+        if [[ -n "${MWB_RPM_CMAKE_EXTRA_ARGS:-}" ]]; then
+            rpm_args+=(--define "mwb_cmake_extra_args ${MWB_RPM_CMAKE_EXTRA_ARGS}")
+        fi
+        run_quiet "rpmbuild -bb" rpmbuild -bb "${rpm_args[@]}" "$spec_file"
     fi
 fi