Introduce Rust (#453)

.github/actions/build_and_upload_cmake_dependency/action.yml

@@ -0,0 +1,62 @@
+# Build a CMake project and upload it
+
+inputs:
+  name:
+    description: "name of the dependency"
+  repo:
+    description: "repository URL"
+  git_rev:
+    description: "git revision to build"
+  configure_options:
+    description: "additional cmake configure options"
+  build_options:
+    description: "additional cmake build options"
+  targets_part:
+    description: "CMake targets"
+    default: "--target install"
+  upload_build_dir:
+    description: "Whether to upload the build directory instead of the installed one"
+    default: null
+  notify_installed:
+    description: "if set, this command is executed and given the path of the finished installation dir"
+    default: null
+
+runs:
+  using: "composite"
+  steps:
+
+  - shell: wrap-shell {0}
+    run: |
+       git clone ${{ inputs.repo }} ${{ inputs.name }}
+       cd ${{ inputs.name }}
+       git checkout ${{ inputs.git_rev }}
+       mkdir ${{ inputs.name }}
+       mkdir build
+       cmake -B build -S . -DCMAKE_INSTALL_PREFIX=$(pwd)/${{ inputs.name }} ${{ inputs.configure_options }}
+       cmake --build build/ ${{ inputs.build_options }} ${{ inputs.targets_part }}
+
+  - if: ${{ inputs.upload_build_dir }}
+    shell: wrap-shell {0}
+    run: |
+       rmdir ${{ inputs.name }}/${{ inputs.name }}
+       mv ${{ inputs.name }}/build ${{ inputs.name }}/${{ inputs.name }}
+  
+  - name: Make relocatable (MacOS)
+    if: runner.os == 'macOS'
+    uses: ./.github/actions/macos_make_relocatable
+    with:
+      path: ${{ github.workspace }}/${{ inputs.name }}/${{ inputs.name }}
+      find_cmd: "find . -name \"*.dylib\""
+      match: ${{ github.workspace }}
+
+  - name: Notify
+    if: ${{ inputs.notify_installed }}
+    shell: wrap-shell {0}
+    run: ${{ inputs.notify_installed }} ${{ inputs.name }}/${{ inputs.name }}
+
+  - name: Upload
+    uses: actions/upload-artifact@v4
+    with:
+      name: ${{ inputs.name }}
+      path: ${{ github.workspace }}/${{ inputs.name }}/${{ inputs.name }}
+

.github/actions/build_and_upload_meson_dependency/action.yml

@@ -0,0 +1,50 @@
+# Build a meson project and upload it
+
+inputs:
+  name:
+    description: "name of the dependency"
+  repo:
+    description: "repository URL"
+  git_rev:
+    description: "git revision to build"
+  meson_options:
+    description: "additional meson configure options"
+  notify_installed:
+    description: "if set, this command is executed and given the path of the finished installation dir"
+    default: null
+
+runs:
+  using: "composite"
+  steps:
+
+  - shell: wrap-shell {0}
+    run: |
+       git clone ${{ inputs.repo }} ${{ inputs.name }}
+       cd ${{ inputs.name }}
+       git checkout ${{ inputs.git_rev }}
+       mkdir ${{ inputs.name }}
+       mkdir build
+       ${{ env.MESON }} setup ${{ inputs.meson_options }} --prefix=$(pwd)/${{ inputs.name }} --pkgconfig.relocatable build .
+       cd build
+       ${{ env.MESON }} compile
+       ${{ env.MESON }} install
+  
+  - name: Make relocatable (MacOS)
+    if: runner.os == 'macOS'
+    uses: ./.github/actions/macos_make_relocatable
+    with:
+      path: ${{ github.workspace }}/${{ inputs.name }}/${{ inputs.name }}
+      find_cmd: "find . -name \"*.dylib\""
+      match: ${{ github.workspace }}
+
+  - name: Notify
+    if: ${{ inputs.notify_installed }}
+    shell: wrap-shell {0}
+    run: ${{ inputs.notify_installed }} $(pwd)/${{ inputs.name }}/${{ inputs.name }}
+
+  - name: Upload
+    uses: actions/upload-artifact@v4
+    with:
+      name: ${{ inputs.name }}
+      path: ${{ github.workspace }}/${{ inputs.name }}/${{ inputs.name }}
+

.github/actions/build_base/action.yml

@@ -0,0 +1,31 @@
+name: Build Base
+description: Do a basic Cargo build in the checked out repository
+
+runs:
+  using: "composite"
+  steps:
+
+  - name: Rust cache
+    uses: Swatinem/rust-cache@v2
+    if: runner.os != 'Windows'
+    with:
+        prefix-key: v2
+        env-vars: "CARGO CC CFLAGS CXX CMAKE RUST PYO3"
+
+  - name: Build dependencies
+    if: always()
+    shell: wrap-shell {0}
+    run: |
+      cargo build --features "shoopdaloop/prebuild packaging/prebuild" ${CARGO_BUILD_FLAGS}
+
+  - name: Build main packages
+    if: always()
+    shell: wrap-shell {0}
+    run: |
+      cargo build -vv ${CARGO_BUILD_FLAGS}
+  
+  - name: Build test code
+    if: always()
+    shell: wrap-shell {0}
+    run: |
+      cargo test -vv --no-run ${CARGO_BUILD_FLAGS}