119 lines
4.4 KiB
YAML
119 lines
4.4 KiB
YAML
name: build-image
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description: >-
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Build a kas project in a persistent directory and expose the flashable
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images. The workspace is synced into the build dir instead of built in
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place, because checkout cleans ignored files (build/, extern/) and bitbake
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reuse depends on sstate-cache surviving between runs.
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inputs:
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project:
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description: kas configuration file, relative to the repository
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required: false
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default: .config.yaml
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machine:
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description: Machine the images are deployed for
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required: false
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default: raspberrypi4-64
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image-prefix:
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description: Artifact filename prefix in the deploy dir
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required: false
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default: rpilinux-image
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skip-build:
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description: Set to true to only collect images from an existing build dir
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required: false
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default: "false"
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outputs:
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build-dir:
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description: Persistent project directory on the runner
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value: ${{ steps.locate.outputs.build-dir }}
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image-dir:
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description: Deploy dir bitbake wrote to
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value: ${{ steps.locate.outputs.image-dir }}
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images:
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description: Newline separated artifact filenames
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value: ${{ steps.collect.outputs.images }}
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runs:
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using: composite
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steps:
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- name: Sync workspace into persistent build dir
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if: ${{ inputs.skip-build != 'true' }}
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shell: bash
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run: |
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set -euo pipefail
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SRC="$(pwd)"
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DST="${YOCTO_HOME:-$HOME/yocto-build}/$(basename "$GITHUB_REPOSITORY")"
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# checkout deletes ignored files, so the build tree must live elsewhere
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if [ "$SRC" = "$DST" ]; then
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echo "::error::workspace == build dir ($SRC); point YOCTO_HOME somewhere else"
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exit 1
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fi
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echo "syncing $SRC -> $DST"
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mkdir -p "$DST"
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# .git stays (kas requires a repo); extern/ + build/ only exist in DST,
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# so --delete cannot reach them
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rsync -a --delete --exclude /build/ --exclude /extern/ ./ "$DST/"
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- name: kas build
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if: ${{ inputs.skip-build != 'true' }}
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shell: bash
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run: |
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set -euo pipefail
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cd "${YOCTO_HOME:-$HOME/yocto-build}/$(basename "$GITHUB_REPOSITORY")"
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git config --global --add safe.directory "$PWD" || true
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"${YOCTO_HOME:-$HOME/yocto-build}/venv/bin/kas" build
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- name: Locate deploy dir
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id: locate
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shell: bash
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run: |
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set -euo pipefail
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BUILD_DIR="${YOCTO_HOME:-$HOME/yocto-build}/$(basename "$GITHUB_REPOSITORY")"
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IMAGE_DIR="$(find "$BUILD_DIR/build" -type d -path "*/tmp/deploy/images/${{ inputs.machine }}" | head -1)"
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if [ -z "$IMAGE_DIR" ]; then
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echo "::error::no deploy dir for ${{ inputs.machine }} under $BUILD_DIR/build"
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exit 1
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fi
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echo "build-dir=$BUILD_DIR" >> "$GITHUB_OUTPUT"
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echo "image-dir=$IMAGE_DIR" >> "$GITHUB_OUTPUT"
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- name: Collect artifacts
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id: collect
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shell: bash
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run: |
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set -euo pipefail
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IMAGE_DIR="${{ steps.locate.outputs.image-dir }}"
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shopt -s nullglob
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# only the timestamped names: the short ones are hardlinks to the same
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# inode and would upload every image twice.
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# NOTE: the glob must stay OUTSIDE the quotes - "$DIR/pat*" never expands.
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FILES=("${IMAGE_DIR}/${{ inputs.image-prefix }}."*.rootfs-[0-9]*.wic.* \
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"${IMAGE_DIR}/${{ inputs.image-prefix }}-"*.rootfs-[0-9]*.wic.*)
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if [ "${#FILES[@]}" -eq 0 ]; then
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echo "::error::no flashable .wic image for ${{ inputs.machine }} in $IMAGE_DIR"
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exit 1
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fi
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mkdir -p dist
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cp -v "${FILES[@]}" dist/
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( cd dist && sha256sum * > SHA256SUMS )
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ls -lh dist
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printf 'images=%s\n' "$(ls dist | tr '\n' ' ')" >> "$GITHUB_OUTPUT"
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- name: Summarise
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shell: bash
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run: |
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set -euo pipefail
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SUMMARY="${GITHUB_STEP_SUMMARY:-}"
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[ -n "$SUMMARY" ] || exit 0
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{
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echo "## ${{ inputs.image-prefix }} for ${{ inputs.machine }}"
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echo
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echo "| artifact | sha256 |"
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echo "| --- | --- |"
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( cd dist && while read -r sum file; do
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[ "$file" = SHA256SUMS ] || echo "| \`$file\` | \`${sum:0:16}\` |"
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done < SHA256SUMS )
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echo
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echo "Flash with \`bzcat <image> | sudo dd of=/dev/sdX bs=4M status=progress\`."
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echo
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echo "Incremental build tree: \`${{ steps.locate.outputs.build-dir }}\`"
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} >> "$SUMMARY"
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