CI improvements (#334)

- Main workflow
- Avoid duplicate runs
- Job dependencies
- Dependencies caching
- Job conditional execution

.github/actions/build-dbus/action.yml

@@ -0,0 +1,63 @@
+name: 'Build DBus'
+description: 'Clone and build DBus'
+
+inputs:
+  os:
+    description: "Runner OS"
+    type: string
+    default: ''
+    required: false
+
+  arch:
+    description: "Platform architecture"
+    type: string
+    default: ''
+    required: false
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install Dependencies
+      shell: bash
+      env:
+          DEBIAN_FRONTEND: noninteractive
+      run: |
+        sudo -H apt-get update -y
+        sudo -H apt-get install -y jq curl 
+
+    - name: Build Expat
+      uses: ./.github/actions/build-expat
+      with:
+        os: ${{ inputs.os }}
+        arch: ${{ inputs.arch }}
+    - name: Set env
+      shell: bash
+      run: |
+        echo "EXPAT_ROOT=/tmp/expat/install" >> $GITHUB_ENV
+        echo "DBUS_ROOT=/tmp/dbus/install" >> $GITHUB_ENV
+        echo "CMAKE_PREFIX_PATH=/tmp/dbus/install:/tmp/expat/install" >> $GITHUB_ENV
+
+    - name: Get latest DBus commit hash
+      id: dbus-hash
+      shell: bash
+      run: |
+        DBUS_HASH=$(curl -s https://gitlab.freedesktop.org/api/v4/projects/1187/repository/commits | jq -r '.[0].id')
+        echo "value=$DBUS_HASH" >> $GITHUB_OUTPUT
+
+    - name: Cache DBus
+      id: cache-dbus
+      uses: actions/cache@v4
+      with:
+        path: /tmp/dbus/install
+        key: ${{ inputs.os }}-${{ inputs.arch }}-dbus-${{ steps.dbus-hash.outputs.value }}
+
+    - name: Build DBus
+      if: steps.cache-dbus.outputs.cache-hit != 'true'
+      shell: bash
+      run: |
+        git clone https://gitlab.freedesktop.org/dbus/dbus.git /tmp/dbus
+        cd /tmp/dbus
+
+        cmake -B build -DDBUS_SESSION_SOCKET_DIR=/usr/local/var/run/dbus/system_bus_socket -DDBUS_BUILD_TESTS=OFF
+        cmake --build build --config Release --parallel 4
+        cmake --install build --prefix /tmp/dbus/install

.github/actions/build-expat/action.yml

@@ -0,0 +1,43 @@
+name: 'Build Expat'
+description: 'Clone and build Expat'
+inputs:
+  os:
+    description: "Runner OS"
+    type: string
+    default: ''
+    required: false
+
+  arch:
+    description: "Platform architecture"
+    type: string
+    default: ''
+    required: false
+
+runs:
+  using: "composite"
+  steps:
+    - name: Get latest Expat commit hash
+      id: expat-hash
+      shell: bash
+      run: |
+        EXPAT_HASH=$(curl -s https://api.github.com/repos/libexpat/libexpat/commits/master | jq -r .sha)
+        echo "value=$EXPAT_HASH" >> $GITHUB_OUTPUT
+        echo "EXPAT_ROOT=/tmp/expat/install" >> $GITHUB_ENV
+        echo "CMAKE_PREFIX_PATH=/tmp/expat/install" >> $GITHUB_ENV
+
+    - name: Cache Expat
+      id: cache-expat
+      uses: actions/cache@v4
+      with:
+        path: /tmp/expat/install
+        key: ${{ inputs.os }}-${{ inputs.arch }}-expat-${{ steps.expat-hash.outputs.value }}
+
+    - name: Build Expat
+      if: steps.cache-expat.outputs.cache-hit != 'true'
+      shell: bash
+      run: |
+        git clone https://github.com/libexpat/libexpat.git /tmp/expat
+        cd /tmp/expat/expat
+        cmake -B build -DEXPAT_BUILD_DOCS=OFF -DEXPAT_BUILD_EXAMPLES=OFF -DEXPAT_BUILD_TESTS=OFF
+        cmake --build build --config Release --parallel 4
+        cmake --install build --prefix /tmp/expat/install

.github/actions/setup-cmake/action.yml

@@ -0,0 +1,9 @@
+name: 'Setup CMake'
+description: 'Setup CMake'
+
+runs:
+  using: "composite"
+  steps:
+    - uses: jwlawson/actions-setup-cmake@v2
+      with:
+        cmake-version: '3.21'

.github/actions/setup-gtest/action.yml

@@ -0,0 +1,39 @@
+name: 'Build GTest'
+description: 'Clone and build Google Test'
+
+runs:
+  using: "composite"
+  steps:
+    - name: Get latest GTest commit hash
+      id: gtest-hash
+      shell: bash
+      run: |
+        GTEST_HASH=$(curl -s https://api.github.com/repos/google/googletest/commits/main | jq -r .sha)
+        echo "value=$GTEST_HASH" >> $GITHUB_OUTPUT
+
+    - name: Cache GTest
+      id: cache-gtest
+      uses: actions/cache@v4
+      with:
+        path: ${{ github.workspace }}/googletest/install
+        key: ${{ runner.os }}-${{ runner.arch }}-gtest-${{ steps.gtest-hash.outputs.value }}
+
+    - name: Build GTest for Unix-like systems
+      if: runner.os != 'Windows' && steps.cache-gtest.outputs.cache-hit != 'true'
+      shell: bash
+      run: |
+        git clone https://github.com/google/googletest
+        cd googletest
+        cmake . -B build
+        cmake --build ./build --config Release --parallel 4
+        cmake --install ./build --prefix ./install
+
+    - name: Build GTest for Windows
+      if: runner.os == 'Windows' && steps.cache-gtest.outputs.cache-hit != 'true'
+      shell: cmd
+      run: |
+        git clone https://github.com/google/googletest
+        cd googletest
+        cmake . -B build -Dgtest_force_shared_crt=ON
+        cmake --build .\build --config Release --parallel 4
+        cmake --install .\build --prefix .\install