feat: add package input to install packages

CHANGELOG.md

@@ -10,6 +10,8 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
+- Add `packages` input to install additional packages that can be build against. ([#23](https://github.com/taiki-e/setup-cross-toolchain-action/pull/23))
+
 ## [1.23.1] - 2024-08-11
 
 - Fix build issue with 32-bit android targets on recent nightly due to [upstream change](https://github.com/rust-lang/rust/pull/120593). ([2068a2d](https://github.com/taiki-e/setup-cross-toolchain-action/commit/2068a2dd8a68fdcf653e4fa1312cbe24475ff07b))

README.md

@@ -32,10 +32,11 @@ GitHub Action for setup toolchains for cross compilation and cross testing for R
 
 ### Inputs
 
-| Name     | Required | Description   | Type   | Default        |
-|----------|:--------:|---------------|--------|----------------|
-| target   | **true** | Target triple | String |                |
-| runner   | false    | Test runner   | String |                |
+| Name     | Required | Description         | Type   | Default |
+|----------|:--------:|---------------------|--------|---------|
+| target   | **true** | Target triple       | String |         |
+| packages | false    | Packages to install | String |         |
+| runner   | false    | Test runner         | String |         |
 
 ### Example workflow: Basic usage
 
@@ -60,6 +61,27 @@ jobs:
       - run: ./target/aarch64-unknown-linux-gnu/debug/my-app
 ```
 
+### Example workflow: Installing additional packages
+
+```yaml
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Rust
+        run: rustup update stable
+      - name: Install cross-compilation tools
+        uses: taiki-e/setup-cross-toolchain-action@v1
+        with:
+          target: aarch64-unknown-linux-gnu
+          packages: libgbm-dev libxkbcommon-dev libinput-dev libudev-dev libseat-dev
+      - run: cargo build
+```
+
+> [!NOTE]
+> The list of packages can be space seperated, comma seperated or newline seperated.
+
 ### Example workflow: Multiple targets
 
 ```yaml

action.yml

@@ -5,6 +5,9 @@ inputs:
   target:
     description: Target name
     required: true
+  packages:
+    description: Packages to install
+    required: false
   runner:
     description: Test runner
     required: false
@@ -25,6 +28,7 @@ runs:
       shell: bash
       env:
         INPUT_TARGET: ${{ inputs.target }}
+        INPUT_PACKAGES: ${{ inputs.packages }}
         INPUT_RUNNER: ${{ inputs.runner }}
         INPUT_QEMU: ${{ inputs.qemu }}
         INPUT_WINE: ${{ inputs.wine }}

main.sh

@@ -53,6 +53,7 @@ if [[ $# -gt 0 ]]; then
 fi
 
 target="${INPUT_TARGET:?}"
+packages="${INPUT_PACKAGES:-}"
 runner="${INPUT_RUNNER:-}"
 
 host=$(rustc -vV | grep '^host:' | cut -d' ' -f2)
@@ -548,6 +549,7 @@ EOF
                         wine_root=/opt/wine-arm64
                         wine_exe="${wine_root}"/bin/wine
                         qemu_arch=aarch64
+                        _sudo dpkg --add-architecture arm64
                         if [[ -n "${INPUT_WINE:-}" ]]; then
                             warn "specifying Wine version for aarch64 windows is not yet supported"
                         fi
@@ -764,6 +766,35 @@ EOF
         register_binfmt qemu-user
     fi
 
+    case "${target}" in
+        aarch64* | arm64*) dpkg_arch=arm64 ;;
+        arm* | thumb*) dpkg_arch=arm ;;
+        i?86-*) dpkg_arch=i386 ;;
+        hexagon-*) dpkg_arch=hexagon ;;
+        loongarch64-*) dpkg_arch=loongarch64 ;;
+        m68k-*) dpkg_arch=m68k ;;
+        mips-* | mipsel-*) dpkg_arch="${target%%-*}" ;;
+        mips64-* | mips64el-*) dpkg_arch="${target%%-*}" ;;
+        mipsisa32r6-* | mipsisa32r6el-*) dpkg_arch="${target%%-*}" ;;
+        mipsisa64r6-* | mipsisa64r6el-*) dpkg_arch="${target%%-*}" ;;
+        powerpc-*spe) dpkg_arch=ppc ;;
+        powerpc-*) dpkg_arch=ppc ;;
+        powerpc64-* | powerpc64le-*) dpkg_arch="${target%%-*}" ;;
+        riscv32*) dpkg_arch=riscv32 ;;
+        riscv64*) dpkg_arch=riscv64 ;;
+        s390x-*) dpkg_arch=s390x ;;
+        sparc-*) dpkg_arch=sparc ;;
+        sparc64-* | sparcv9-*) dpkg_arch=sparc64 ;;
+        x86_64*) dpkg_arch=amd64 ;;
+        *) bail "unrecognized target '${target}'" ;;
+    esac
+
+    while read -rd,; do
+    if [[ -n "${REPLY}" ]]; then
+        apt_packages+=("${REPLY}:${dpkg_arch}")
+    fi
+    done <<<"${packages//[$' \t\n']/,},"
+
     install_apt_packages
 
     case "${target}" in