build macos packages in CI

.cargo/config.toml

+[target.x86_64-apple-darwin]
+linker = "o64-clang"
+rustflags = [
+    "-C",
+    "link-arg=-mmacosx-version-min=10.12",
+    "-C",
+    "target-feature=+crt-static",
+]

.gitlab-ci.yml

 # Official language image. Look for the different tagged releases at:
 # https://hub.docker.com/r/library/rust/tags/
 
-image: "rust:latest"
-
 stages:
-  - build_and_package
+  - build_linux
+  - build_macos
   - release
 
-build_and_package:
-  stage: build_and_package
+build_linux:
+  stage: build_linux
   image: rust:slim-buster
   script:
-    # Build the project
+     # Build the project for Linux
     - cargo build --release
-    # Install cargo-deb
-    - cargo install cargo-deb
     # Create Debian package
+    - cargo install cargo-deb
     - cargo deb --no-build
     - ls target/debian/*.deb | head -n 1 > debian_package.txt
   artifacts:
@@ -24,15 +22,40 @@ build_and_package:
       - target/debian/*.deb
       - debian_package.txt
   cache:
-    key:
-      files:
-        - Cargo.lock
+    key: "$CI_JOB_NAME-$CI_COMMIT_REF_SLUG"
     paths:
       - target/release
       - target/debian
   only:
     - tags
 
+build_macos:
+  stage: build_macos
+  image: poka/rust-osxcross:1.0.2
+  script:
+    # Install the required dependencies
+    - rustup target add x86_64-apple-darwin
+    # Build the project for macOS
+    - cargo build --release --target x86_64-apple-darwin
+    # Create the macOS bundle
+    - rm -rf target/macos
+    - mkdir -p target/macos
+    - cargo bundle --release --target x86_64-apple-darwin
+    # Zip the gcli.app before moving it
+    - cd target/x86_64-apple-darwin/release/bundle/osx
+    - echo -e "Unzip gcli.zip and move the gcli.app folder to /Applications/ folder.\nenjoy" > instructions.txt
+    - zip -r gcli.zip gcli.app instructions.txt
+    - mv gcli.zip ../../../../macos/ # target/macos/
+  artifacts:
+    paths:
+      - target/macos
+  cache:
+    key: "$CI_JOB_NAME-$CI_COMMIT_REF_SLUG"
+    paths:
+      - target/macos
+  only:
+    - tags
+
 release:
   stage: release
   image: registry.gitlab.com/gitlab-org/release-cli:latest
@@ -42,26 +65,23 @@ release:
     - git fetch --tags
     - LAST_VERSION=$(git tag --sort=-v:refname | sed -n '2p')
     - git log --pretty="format:- %s ([%h]($CI_PROJECT_URL/-/commit/%h)) " HEAD...$LAST_VERSION --reverse > release_description.txt
-  # Define release parameters
   release:
-    # Release name and description using the tag name
     name: "v$CI_COMMIT_TAG"
     description: "Latest changes:\n$(cat release_description.txt)"
-    # Set the tag for the release
     tag_name: "$CI_COMMIT_TAG"
-    # Attach the artifact to the release
     assets:
       links:
         - name: "gcli v$CI_COMMIT_TAG for Linux (binary)"
-          url: "$CI_PROJECT_URL/-/jobs/artifacts/$CI_COMMIT_TAG/raw/target/release/gcli?job=build_and_package"
+          url: "$CI_PROJECT_URL/-/jobs/artifacts/$CI_COMMIT_TAG/raw/target/release/gcli?job=build_linux"
         - name: "gcli v$CI_COMMIT_TAG Debian Package"
-          url: "$CI_PROJECT_URL/-/jobs/artifacts/$CI_COMMIT_TAG/raw/$(cat debian_package.txt)?job=build_and_package"
-  # Trigger release creation only for tagged commits
+          url: "$CI_PROJECT_URL/-/jobs/artifacts/$CI_COMMIT_TAG/raw/$(cat debian_package.txt)?job=build_linux"
+        - name: "gcli v$CI_COMMIT_TAG for macOS"
+          url: "$CI_PROJECT_URL/-/jobs/artifacts/$CI_COMMIT_TAG/raw/target/macos/gcli.zip?job=build_macos"
   only:
     - tags
-  # Not necessary but clearly shows the dependency
   dependencies:
-    - build_and_package
+    - build_linux
+    - build_macos
   artifacts:
     paths:
       - debian_package.txt

Cargo.lock

@@ -2092,7 +2092,7 @@ dependencies = [
 
 [[package]]
 name = "gcli"
-version = "0.2.11"
+version = "0.2.12"
 dependencies = [
  "age",
  "anyhow",

Cargo.toml

@@ -9,7 +9,8 @@ rust-version = "1.75.0"
 license = "AGPL-3.0-only"
 name = "gcli"
 repository = "https://git.duniter.org/clients/rust/gcli-v2s"
-version = "0.2.11"
+description = "A command-line interface for Duniter v2s uses"
+version = "0.2.12"
 
 [dependencies]
 # subxt is main dependency
@@ -58,3 +59,8 @@ default = ["gdev"] # default runtime is "gdev", gdev network is available
 gdev = []
 gtest = []
 g1 = []
+
+[package.metadata.bundle]
+name = "gcli"
+identifier = "com.axiomteam.gcli"
+icon = ["gcli.png"]

Dockerfile.ci

+# Stage 1: Build environment with all dependencies
+FROM rust:slim-bookworm as builder
+
+# Install necessary dependencies
+RUN apt-get update && apt-get install -y \
+    clang \
+    llvm \
+    make \
+    file \
+    git \
+    curl \
+    cmake \
+    python3 \
+    python3-dev \
+    python3-pip
+
+# Clone osxcross repository and set up
+RUN git clone https://github.com/tpoechtrager/osxcross.git /opt/osxcross && \
+    cd /opt/osxcross && \
+    ./tools/get_dependencies.sh && \
+    cd /opt/osxcross/tarballs && \
+    curl -LO https://github.com/joseluisq/macosx-sdks/releases/download/10.12/MacOSX10.12.sdk.tar.xz && \
+    cd /opt/osxcross && \
+    UNATTENDED=yes ./build.sh
+
+# Stage 2: Create the final image with only the necessary files
+FROM rust:slim-bookworm
+
+# Install cargo-bundle
+RUN cargo install cargo-bundle
+
+RUN apt-get update && apt-get install -y --no-install-recommends clang zip; \
+    apt-get clean; \
+    rm -rf /var/lib/apt/lists/*;
+
+# Copy cargo plugins from the builder stage
+COPY --from=builder /opt/osxcross/target /opt/osxcross/target
+
+# Set environment variables for osxcross and Rust
+ENV PATH="/opt/osxcross/target/bin:/usr/local/cargo/bin:$PATH"
+ENV CC="o64-clang"
+ENV CXX="o64-clang++"
+
+# Add rust target for macOS
+RUN rustup target add x86_64-apple-darwin
+
+# Define the entrypoint
+CMD ["bash"]