Use Swiftly to install Swift

.github/actions/install-swift/action.yml

@@ -0,0 +1,43 @@
+name: 'Install Swift'
+description: 'Installs the Swift specified by a .swift-version file'
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install apt dependencies
+      shell: bash
+      run: |
+        SUDO=$(if [[ $EUID -ne 0 ]]; then echo sudo; fi)
+        $SUDO apt-get -qq update
+        $SUDO apt-get -qq -y install curl gpg binutils git unzip gnupg2 \
+          libc6-dev libcurl4-openssl-dev libedit2 libgcc-13-dev libpython3-dev \
+          libstdc++-13-dev libxml2-dev libncurses-dev libz3-dev pkg-config \
+          tzdata zlib1g-dev
+      env:
+        DEBIAN_FRONTEND: noninteractive
+
+    - name: Install Swiftly
+      shell: bash
+      run: |
+        UNAME=$(uname -m)
+
+        export SWIFTLY_HOME_DIR="$HOME/.local/share/swiftly"
+        echo "SWIFTLY_HOME_DIR=$SWIFTLY_HOME_DIR" >> $GITHUB_ENV
+        echo "SWIFTLY_HOME_DIR=$SWIFTLY_HOME_DIR" >> $HOME/.bashrc
+
+        export SWIFTLY_BIN_DIR="$HOME/.local/share/swiftly/bin"
+        echo "SWIFTLY_BIN_DIR=$SWIFTLY_BIN_DIR" >> $GITHUB_ENV
+        echo "SWIFTLY_BIN_DIR=$SWIFTLY_BIN_DIR" >> $HOME/.bashrc
+
+        curl -O "https://download.swift.org/swiftly/linux/swiftly-$UNAME.tar.gz"
+        tar zxf "swiftly-$UNAME.tar.gz"
+        ./swiftly init --skip-install --assume-yes --quiet-shell-followup
+
+        echo "PATH=$SWIFTLY_BIN_DIR:$PATH" >> $GITHUB_ENV
+        echo "PATH=\$SWIFTLY_BIN_DIR:\$PATH" >> $HOME/.bashrc
+
+    - name: Install Swift
+      shell: bash
+      run: |
+        swiftly install
+        swift --version

.github/workflows/build-esp.yml

@@ -13,11 +13,11 @@ jobs:
   build-esp:
     runs-on: ubuntu-24.04
     container: espressif/idf:latest
+
     strategy:
       fail-fast: false
       matrix:
         example: [esp32-led-blink-sdk, esp32-led-strip-sdk]
-        swift: [swift-DEVELOPMENT-SNAPSHOT-2024-12-04-a]
 
     steps:
       - name: Checkout repo
@@ -26,13 +26,8 @@ jobs:
       - name: Install apt dependencies
         run: apt-get -qq update && apt-get -qq -y install pkg-config
 
-      - name: Install ${{ matrix.swift }}
-        run: |
-          wget -q https://download.swift.org/development/ubuntu2404/${{ matrix.swift }}/${{ matrix.swift }}-ubuntu24.04.tar.gz
-          tar xzf ${{ matrix.swift }}-ubuntu24.04.tar.gz
-          export PATH="`pwd`/${{ matrix.swift }}-ubuntu24.04/usr/bin/:$PATH"
-          echo "PATH=$PATH" >> $GITHUB_ENV
-          swiftc --version
+      - name: Install Swift
+        uses: ./.github/actions/install-swift
 
       - name: Build ${{ matrix.example }}
         run: |

.github/workflows/build-nuttx.yml

@@ -17,7 +17,6 @@ jobs:
       fail-fast: false
       matrix:
         example: [nuttx-riscv-blink]
-        swift: [swift-DEVELOPMENT-SNAPSHOT-2024-12-22-a]
 
     steps:
       - name: Checkout repo
@@ -50,18 +49,11 @@ jobs:
           echo "PATH=$PATH" >> $GITHUB_ENV
           riscv-none-elf-gcc --version
 
-      - name: Install ${{ matrix.swift }}
-        run: |
-          wget -q https://download.swift.org/development/ubuntu2404/${{ matrix.swift }}/${{ matrix.swift }}-ubuntu24.04.tar.gz
-          tar xzf ${{ matrix.swift }}-ubuntu24.04.tar.gz
-          export PATH="`pwd`/${{ matrix.swift }}-ubuntu24.04/usr/bin/:$PATH"
-          echo "PATH=$PATH" >> $GITHUB_ENV
-          swiftc --version
-
-      - name: Config ${{ matrix.example }}
-        working-directory: ${{ matrix.example }}
-        run: cmake -B build -GNinja -DBOARD_CONFIG=rv-virt:leds_swift -DENABLE_NUTTX_TRACE=ON
+      - name: Install Swift
+        uses: ./.github/actions/install-swift
 
       - name: Build ${{ matrix.example }}
         working-directory: ${{ matrix.example }}
-        run: cmake --build build
+        run: |
+          cmake -B build -GNinja -DBOARD_CONFIG=rv-virt:leds_swift -DENABLE_NUTTX_TRACE=ON
+          cmake --build build

.github/workflows/build-pico-sdk.yml

@@ -12,6 +12,7 @@ on:
 jobs:
   build-pico-sdk:
     runs-on: ubuntu-24.04
+
     strategy:
       fail-fast: false
       matrix:
@@ -22,7 +23,6 @@ jobs:
             board: pico_w
           - name: harmony
             board: pico_w
-        swift: [swift-DEVELOPMENT-SNAPSHOT-2024-12-04-a]
 
     steps:
       - name: Checkout repo
@@ -46,14 +46,8 @@ jobs:
           curl -sL https://developer.arm.com/-/media/Files/downloads/gnu/14.2.rel1/binrel/arm-gnu-toolchain-14.2.rel1-$ARCH-arm-none-eabi.tar.xz -O
           tar xf arm-gnu-toolchain-14.2.rel1-$ARCH-arm-none-eabi.tar.xz
 
-      - name: Install ${{ matrix.swift }}
-        run: |
-          wget -q https://download.swift.org/development/ubuntu2404/${{ matrix.swift }}/${{ matrix.swift }}-ubuntu24.04.tar.gz
-          tar xzf ${{ matrix.swift }}-ubuntu24.04.tar.gz
-          export PATH="`pwd`/${{ matrix.swift }}-ubuntu24.04/usr/bin/:$PATH"
-          echo "PATH=$PATH" >> $GITHUB_ENV
-          which swiftc
-          swiftc --version
+      - name: Install Swift
+        uses: ./.github/actions/install-swift
 
       - name: Clone Pico SDK
         run: |
@@ -78,7 +72,7 @@ jobs:
           echo "PICO_TOOLCHAIN_PATH=`pwd`/arm-gnu-toolchain-14.2.rel1-$ARCH-arm-none-eabi" >> $GITHUB_ENV
 
       - name: Build ${{ matrix.example.name }}
+        working-directory: ${{ matrix.example.name }}
         run: |
-          cd ${{ matrix.example.name }}
           cmake -B build -G Ninja .
           cmake --build build

.github/workflows/build-rpi-baremetal.yml

@@ -8,14 +8,15 @@ on:
   schedule:
     # Build on Mondays at 9am PST every week
     - cron: '0 17 * * 1'
+
 jobs:
   build-rpi-baremetal:
     runs-on: ubuntu-24.04
+
     strategy:
       fail-fast: false
       matrix:
-        example: [rpi5-blink, rpi4b-blink]
-        swift: [swift-DEVELOPMENT-SNAPSHOT-2024-12-04-a]
+        example: [rpi4b-blink, rpi5-blink]
 
     steps:
       - name: Checkout repo
@@ -24,16 +25,9 @@ jobs:
       - name: Install apt dependencies
         run: sudo apt-get -qq update && sudo apt-get -qq -y install make llvm
 
-      - name: Install ${{ matrix.swift }}
-        run: |
-          wget -q https://download.swift.org/development/ubuntu2404/${{ matrix.swift }}/${{ matrix.swift }}-ubuntu24.04.tar.gz
-          tar xzf ${{ matrix.swift }}-ubuntu24.04.tar.gz
-          export PATH="`pwd`/${{ matrix.swift }}-ubuntu24.04/usr/bin/:$PATH"
-          echo "PATH=$PATH" >> $GITHUB_ENV
-          which swiftc
-          swiftc --version
+      - name: Install Swift
+        uses: ./.github/actions/install-swift
 
       - name: Build ${{ matrix.example }}
-        run: |
-          cd ${{ matrix.example }}
-          make
+        working-directory: ${{ matrix.example }}
+        run: make

.github/workflows/build-stm.yml

@@ -17,7 +17,6 @@ jobs:
       fail-fast: false
       matrix:
         example: [stm32-blink]
-        swift: [swift-DEVELOPMENT-SNAPSHOT-2025-03-04-a]
 
     steps:
       - name: Checkout repo
@@ -31,13 +30,8 @@ jobs:
       - name: Install uv
         uses: astral-sh/setup-uv@v5
 
-      - name: Install ${{ matrix.swift }}
-        run: |
-          wget -q https://download.swift.org/development/ubuntu2404/${{ matrix.swift }}/${{ matrix.swift }}-ubuntu24.04.tar.gz
-          tar xzf ${{ matrix.swift }}-ubuntu24.04.tar.gz
-          export PATH="`pwd`/${{ matrix.swift }}-ubuntu24.04/usr/bin/:$PATH"
-          echo "PATH=$PATH" >> $GITHUB_ENV
-          swiftc --version
+      - name: Install Swift
+        uses: ./.github/actions/install-swift
 
       - name: Build ${{ matrix.example }}
         working-directory: ${{ matrix.example }}

.github/workflows/build-zephyr.yml

@@ -17,7 +17,6 @@ jobs:
       fail-fast: false
       matrix:
         example: [nrfx-blink-sdk]
-        swift: [swift-DEVELOPMENT-SNAPSHOT-2024-12-04-a]
 
     steps:
       - name: Checkout repo
@@ -34,13 +33,8 @@ jobs:
           app-path: ${{ matrix.example }}
           toolchains: arm-zephyr-eabi
 
-      - name: Install ${{ matrix.swift }}
-        run: |
-          wget -q https://download.swift.org/development/ubuntu2404/${{ matrix.swift }}/${{ matrix.swift }}-ubuntu24.04.tar.gz
-          tar xzf ${{ matrix.swift }}-ubuntu24.04.tar.gz
-          export PATH="`pwd`/${{ matrix.swift }}-ubuntu24.04/usr/bin/:$PATH"
-          echo "PATH=$PATH" >> $GITHUB_ENV
-          swiftc --version
+      - name: Install Swift
+        uses: ./.github/actions/install-swift
 
       - name: Build ${{ matrix.example }}
         working-directory: ${{ matrix.example }}

.swift-version

@@ -0,0 +1 @@
+main-snapshot-2025-04-12