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Cache zephyr init
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‎.github/actions/deps/ports/zephyr-cp/action.yml‎

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sudo apt-get install -y libusb-1.0-0-dev libudev-dev mtools
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shell: bash
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- name: Setup Zephyr project
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uses: zephyrproject-rtos/action-zephyr-setup@v1
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uses: ./.github/actions/deps/ports/zephyr-cp/zephyr-setup
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with:
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app-path: zephyr-config
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base-path: ports/zephyr-cp

‎.github/actions/deps/ports/zephyr-cp/zephyr-setup/action.yml‎

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# Inlined from zephyrproject-rtos/action-zephyr-setup@v1 with caching for
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# west init / west update results. Cache key is derived from the west CLI
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# version and the contents of the west.yml manifest.
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#
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# Usage (drop-in replacement for action-zephyr-setup):
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# - uses: ./.github/actions/deps/ports/zephyr-cp/zephyr-setup
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# with:
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# app-path: zephyr-config
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# base-path: ports/zephyr-cp
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# toolchains: arm-zephyr-eabi
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name: Setup Zephyr project (cached)
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description: >
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Setup a Zephyr project using west, with caching of west init/update results.
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inputs:
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app-path:
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description: Application code path (contains west.yml)
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required: true
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base-path:
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description: Application base path containing app-path
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required: false
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default: .
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manifest-file-name:
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description: Name of the west manifest file in app-path
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required: false
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default: west.yml
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toolchains:
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description: "Colon-separated list of toolchains to install"
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required: false
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default: arm-zephyr-eabi
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sdk-version:
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description: 'Zephyr SDK version or "auto"'
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required: false
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default: auto
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sdk-base:
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description: Base URL for Zephyr SDK downloads
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required: false
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default: https://github.com/zephyrproject-rtos/sdk-ng/releases/download
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west-version:
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description: West version to install (latest if empty)
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required: false
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default: ""
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enable-ccache:
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description: Enable ccache
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required: false
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default: "true"
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ccache-max-size:
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description: Max ccache size
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required: false
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default: 512MB
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ccache-cache-key:
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description: Extra string for ccache cache key
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required: false
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default: default
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runs:
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using: composite
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steps:
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# ── Install west & host tools ──────────────────────────────────────
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- name: Install dependencies
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shell: bash
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run: |
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if [ "${{ runner.os }}" = "Windows" ]; then
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python.exe -m pip install -U pip
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fi
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pip3 install -U pip wheel
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if [ -n "${{ inputs.west-version }}" ]; then
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pip3 install west==${{ inputs.west-version }}
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else
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pip3 install west
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fi
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if [ "${{ runner.os }}" = "Linux" ]; then
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sudo rm -f /var/lib/man-db/auto-update
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sudo apt-get update -y
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sudo apt-get install -y ccache gperf
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if [ "${{ runner.arch }}" = "X64" ]; then
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sudo apt-get install -y libc6-dev-i386 g++-multilib
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fi
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elif [ "${{ runner.os }}" = "macOS" ]; then
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brew install ccache qemu dtc gperf coreutils
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elif [ "${{ runner.os }}" = "Windows" ]; then
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choco feature enable -n allowGlobalConfirmation
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choco install ninja wget gperf
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fi
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# ── Cache west workspace (.west + fetched repos) ──────────────────
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- name: Get west version for cache key
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id: west-version
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shell: bash
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run: echo "version=$(west --version)" >> $GITHUB_OUTPUT
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- name: Cache west workspace
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id: cache-west
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uses: actions/cache@v4
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with:
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path: |
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${{ inputs.base-path }}/.west
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${{ inputs.base-path }}/bootloader
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${{ inputs.base-path }}/modules
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${{ inputs.base-path }}/tools
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${{ inputs.base-path }}/zephyr
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key: west-${{ runner.os }}-${{ steps.west-version.outputs.version }}-${{ hashFiles(format('{0}/{1}/{2}', inputs.base-path, inputs.app-path, inputs.manifest-file-name)) }}
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- name: Initialize west workspace
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if: steps.cache-west.outputs.cache-hit != 'true'
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working-directory: ${{ inputs.base-path }}
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shell: bash
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run: |
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west init -l ${{ inputs.app-path }} --mf ${{ inputs.manifest-file-name }}
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- name: Update west modules
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if: steps.cache-west.outputs.cache-hit != 'true'
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working-directory: ${{ inputs.base-path }}
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shell: bash
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run: west update -o=--depth=1 -n
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# ── Environment / SDK version detection ───────────────────────────
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- name: Environment setup
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working-directory: ${{ inputs.base-path }}
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id: env-setup
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shell: bash
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run: |
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runner="${{ runner.os }}-${{ runner.arch }}"
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if [ "$runner" = "Linux-X64" ]; then
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sdk_variant="linux-x86_64"
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elif [ "$runner" = "Linux-ARM64" ]; then
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sdk_variant="linux-aarch64"
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elif [ "$runner" = "macOS-X64" ]; then
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sdk_variant="macos-x86_64"
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elif [ "$runner" = "macOS-ARM64" ]; then
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sdk_variant="macos-aarch64"
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elif [ "$runner" = "Windows-X64" ]; then
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sdk_variant="windows-x86_64"
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else
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echo "Unsupported runner platform: $runner"
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fi
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if [ "${{ runner.os }}" = "Linux" ]; then
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pip_cache_path="~/.cache/pip"
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ccache_path="$HOME/.cache/ccache"
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sdk_ext="tar.xz"
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setup_file="./setup.sh"
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setup_opt="-"
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elif [ "${{ runner.os }}" = "macOS" ]; then
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pip_cache_path="~/Library/Caches/pip"
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ccache_path="$HOME/Library/Caches/ccache"
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sdk_ext="tar.xz"
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setup_file="./setup.sh"
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setup_opt="-"
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elif [ "${{ runner.os }}" = "Windows" ]; then
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pip_cache_path="~/AppData/Local/pip/Cache"
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ccache_path="$HOME/AppData/Local/ccache/Cache"
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sdk_ext="7z"
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setup_file="./setup.cmd"
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setup_opt="//"
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fi
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if [ "${{ inputs.sdk-version }}" = "auto" ]; then
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zephyr_path="zephyr"
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if west list -f '{abspath}' zephyr; then
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zephyr_path="$( west list -f '{abspath}' zephyr )"
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fi
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if [ -f "${zephyr_path}/SDK_VERSION" ]; then
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echo "Reading SDK version from ${zephyr_path}/SDK_VERSION"
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sdk_version=$( cat ${zephyr_path}/SDK_VERSION )
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else
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echo "Cannot find ${zephyr_path}/SDK_VERSION"
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exit 1
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fi
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else
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sdk_version="${{ inputs.sdk-version }}"
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fi
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sdk_file="zephyr-sdk-${sdk_version}_${sdk_variant}_minimal.${sdk_ext}"
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sdk_cache_key="$( sha1sum <<< ${sdk_file}-${{ github.event.repository.name }}-${{ inputs.toolchains }} | cut -d' ' -f1 )"
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echo "SDK_VERSION=${sdk_version}" >> $GITHUB_ENV
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echo "SDK_FILE=${sdk_file}" >> $GITHUB_ENV
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echo "SDK_CACHE_KEY=${sdk_cache_key}" >> $GITHUB_ENV
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echo "PIP_CACHE_PATH=${pip_cache_path}" >> $GITHUB_ENV
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echo "CCACHE_TIMESTAMP=$(date +%s)" >> $GITHUB_ENV
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echo "CCACHE_DIR=${ccache_path}" >> $GITHUB_ENV
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echo "CCACHE_IGNOREOPTIONS=-specs=* --specs=*" >> $GITHUB_ENV
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echo "SETUP_FILE=${setup_file}" >> $GITHUB_ENV
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echo "SETUP_OPT=${setup_opt}" >> $GITHUB_ENV
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# ── Python packages ───────────────────────────────────────────────
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- name: Cache Python packages
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uses: actions/cache@v4
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with:
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path: ${{ env.PIP_CACHE_PATH }}
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key: pip-${{ runner.os }}-${{ hashFiles(format('{0}/zephyr/scripts/requirements*.txt', inputs.base-path)) }}
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- name: Install Python packages
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if: runner.os != 'Windows'
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working-directory: ${{ inputs.base-path }}
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shell: bash
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run: |
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west packages pip --install --ignore-venv-check || pip3 install -r zephyr/scripts/requirements.txt
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- name: Install Python packages (Windows)
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if: runner.os == 'Windows'
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working-directory: ${{ inputs.base-path }}
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shell: powershell
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run: |
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pip3 install @((west packages pip) -split ' '); if (!$?) { pip3 install -r zephyr/scripts/requirements.txt }
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# ── Zephyr SDK ────────────────────────────────────────────────────
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- name: Cache Zephyr SDK
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id: cache-toolchain
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uses: actions/cache@v4
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with:
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path: ${{ inputs.base-path }}/zephyr-sdk
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key: ${{ env.SDK_CACHE_KEY }}
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- name: Download Zephyr SDK
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if: steps.cache-toolchain.outputs.cache-hit != 'true'
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working-directory: ${{ inputs.base-path }}
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shell: bash
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run: |
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wget --progress=dot:giga ${{ inputs.sdk-base }}/v${SDK_VERSION}/${SDK_FILE}
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rm -rf zephyr-sdk
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if [ "${{ runner.os }}" = "Windows" ]; then
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7z x $SDK_FILE
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mv zephyr-sdk-${SDK_VERSION} zephyr-sdk
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else
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mkdir zephyr-sdk
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tar xvf $SDK_FILE -C zephyr-sdk --strip-components=1
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fi
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rm -f $SDK_FILE
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- name: Setup Zephyr SDK
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working-directory: ${{ inputs.base-path }}/zephyr-sdk
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shell: bash
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run: |
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IFS=":"
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TOOLCHAINS="${{ inputs.toolchains }}"
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for toolchain in $TOOLCHAINS; do
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${SETUP_FILE} ${SETUP_OPT}t $toolchain
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done
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if [ ! -d sysroots ]; then
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${SETUP_FILE} ${SETUP_OPT}h
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fi
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${SETUP_FILE} ${SETUP_OPT}c
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# ── ccache ────────────────────────────────────────────────────────
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- name: Cache ccache data
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if: inputs.enable-ccache == 'true' && runner.os != 'Windows'
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uses: actions/cache@v4
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with:
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path: ${{ env.CCACHE_DIR }}
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key: ccache-${{ inputs.ccache-cache-key }}-${{ env.CCACHE_TIMESTAMP }}
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restore-keys: ccache-${{ inputs.ccache-cache-key }}-
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- name: Set up ccache
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if: inputs.enable-ccache == 'true' && runner.os != 'Windows'
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shell: bash
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run: |
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mkdir -p ${{ env.CCACHE_DIR }}
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ccache -M ${{ inputs.ccache-max-size }}
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ccache -p
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ccache -z -s -vv

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