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feat(repo): add github-action to publish new versions
feat(repo): add github-action to publish new versions
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‎.github/workflows/release.yml‎

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name: Release
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on:
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workflow_dispatch:
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inputs:
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release_date:
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description: "Override date (UTC YYYY.MM.DD). Leave empty for today."
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required: false
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type: string
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dry_run:
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description: "Do not push/tag/publish (build only)"
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required: false
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type: boolean
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default: false
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permissions:
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contents: write
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packages: write
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concurrency:
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group: release-${{ github.ref }}
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cancel-in-progress: false
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env:
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CARGO_TERM_COLOR: always
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jobs:
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validate:
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name: Validate (fmt, clippy, tests)
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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with:
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fetch-depth: 0
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lfs: true
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- name: Rust toolchain
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uses: dtolnay/rust-toolchain@stable
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- name: Rust cache
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uses: Swatinem/rust-cache@v2
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- name: Format check
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run: cargo fmt --all -- --check
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- name: Clippy
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run: cargo clippy --workspace --all-targets -- -D warnings
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- name: Tests
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run: cargo test --workspace -- --nocapture
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prepare_version:
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name: Prepare version, tag, push
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needs: validate
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runs-on: ubuntu-latest
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outputs:
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version: ${{ steps.setver.outputs.version }}
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tag: ${{ steps.setver.outputs.tag }}
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commit_sha: ${{ steps.commit.outputs.sha }}
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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with:
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fetch-depth: 0
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lfs: true
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- name: Configure git
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run: |
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git config user.name "github-actions[bot]"
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git config user.email "github-actions[bot]@users.noreply.github.com"
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- name: Rust toolchain
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uses: dtolnay/rust-toolchain@stable
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- name: Install cargo-workspaces
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run: cargo install cargo-workspaces --locked
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- name: Compute date-based version
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id: setver
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shell: bash
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run: |
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set -euo pipefail
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BASE="${{ inputs.release_date }}"
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if [[ -z "${BASE}" ]]; then
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BASE="$(date -u +%Y.%m.%d)"
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fi
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git fetch --tags --quiet
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LAST=$(git tag -l "v${BASE}*" | sed 's/^v//' | sort -V | tail -n1 || true)
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if [[ -z "${LAST}" ]]; then
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VERSION="${BASE}"
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else
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if [[ "${LAST}" == "${BASE}" ]]; then
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N=1
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else
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SUF="${LAST#${BASE}-}"
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N=$((10#${SUF} + 1))
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fi
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VERSION=$(printf "%s-%02d" "${BASE}" "${N}")
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fi
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echo "version=${VERSION}" | tee -a "$GITHUB_OUTPUT"
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echo "tag=v${VERSION}" | tee -a "$GITHUB_OUTPUT"
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echo "${VERSION}" > VERSION
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- name: Bump workspace versions
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if: ${{ !inputs.dry_run }}
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shell: bash
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run: |
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set -euo pipefail
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# Update all crate versions and internal dependency requirements
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cargo workspaces version ${{ steps.setver.outputs.version }} \
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--exact --force --yes --no-git-tag --no-git-commit
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# Align lockfile
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cargo update -w
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- name: Commit and tag
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id: commit
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if: ${{ !inputs.dry_run }}
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shell: bash
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run: |
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set -euo pipefail
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git add -A
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git commit -m "[release] v${{ steps.setver.outputs.version }}"
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git tag "v${{ steps.setver.outputs.version }}"
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git push origin HEAD:${{ github.ref_name }}
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git push origin "v${{ steps.setver.outputs.version }}"
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echo "sha=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
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publish_crates:
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name: Publish to crates.io
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needs: prepare_version
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if: ${{ !inputs.dry_run }}
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runs-on: ubuntu-latest
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env:
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CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}
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steps:
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- name: Checkout release tag
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uses: actions/checkout@v4
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with:
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fetch-depth: 0
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lfs: true
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ref: ${{ needs.prepare_version.outputs.tag }}
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- name: Rust toolchain
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uses: dtolnay/rust-toolchain@stable
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- name: Install cargo-workspaces
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run: cargo install cargo-workspaces --locked
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- name: Publish workspace
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run: |
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set -euo pipefail
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# Publish in dependency order, skipping those already on the registry
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cargo workspaces publish --from-git --yes --skip-published
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build:
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name: Build artifacts (${{ matrix.os_slug }})
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needs: prepare_version
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runs-on: ${{ matrix.os }}
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strategy:
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fail-fast: false
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matrix:
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include:
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- os: ubuntu-latest
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os_slug: linux
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archive: tar.gz
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- os: macos-latest
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os_slug: macos
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archive: tar.gz
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- os: windows-latest
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os_slug: windows
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archive: zip
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steps:
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- name: Checkout release tag
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uses: actions/checkout@v4
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with:
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fetch-depth: 0
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lfs: true
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ref: ${{ needs.prepare_version.outputs.tag }}
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- name: Rust toolchain
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uses: dtolnay/rust-toolchain@stable
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with:
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profile: minimal
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components: clippy,rustfmt
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- name: Rust cache
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uses: Swatinem/rust-cache@v2
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- name: Install jq
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if: ${{ runner.os != 'Windows' }}
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shell: bash
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run: |
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if [ "${{ runner.os }}" = "Linux" ]; then
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sudo apt-get update && sudo apt-get install -y jq
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else
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brew update && brew install jq
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fi
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- name: Install jq (Windows)
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if: ${{ runner.os == 'Windows' }}
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shell: pwsh
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run: choco install jq -y
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- name: Build binaries
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shell: bash
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run: |
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set -euo pipefail
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cargo build --workspace --release --bins
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- name: Stage files
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id: stage
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shell: bash
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run: |
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set -euo pipefail
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VERSION='${{ needs.prepare_version.outputs.version }}'
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OUTDIR="stage/lambda-${VERSION}-${{ matrix.os_slug }}"
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mkdir -p "${OUTDIR}/bin"
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# List workspace binary targets
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bins=$(cargo metadata --format-version 1 --no-deps | jq -r '.packages[].targets[] | select(.kind[]=="bin") | .name' | sort -u)
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for b in $bins; do
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if [[ "${{ runner.os }}" == "Windows" ]]; then
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src="target/release/${b}.exe"
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else
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src="target/release/${b}"
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fi
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if [[ -f "$src" ]]; then
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cp "$src" "${OUTDIR}/bin/"
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fi
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done
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# Include example 'minimal' if present
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if [[ -f target/release/examples/minimal ]]; then
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mkdir -p "${OUTDIR}/examples"
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cp target/release/examples/minimal "${OUTDIR}/examples/"
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elif [[ -f target/release/examples/minimal.exe ]]; then
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mkdir -p "${OUTDIR}/examples"
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cp target/release/examples/minimal.exe "${OUTDIR}/examples/"
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fi
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# Include assets if present
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if [[ -d crates/lambda-rs/assets ]]; then
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mkdir -p "${OUTDIR}/assets"
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cp -R crates/lambda-rs/assets/* "${OUTDIR}/assets/" || true
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fi
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# Top-level docs
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for f in LICENSE LICENSE.md README.md README; do
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[[ -f "$f" ]] && cp "$f" "${OUTDIR}/" || true
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done
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echo "${VERSION}" > "${OUTDIR}/VERSION"
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- name: Package (tar.gz)
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if: ${{ matrix.archive == 'tar.gz' }}
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shell: bash
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run: |
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set -euo pipefail
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cd stage
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tar -czf "lambda-${{ needs.prepare_version.outputs.version }}-${{ matrix.os_slug }}.tar.gz" "lambda-${{ needs.prepare_version.outputs.version }}-${{ matrix.os_slug }}"
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if command -v shasum >/dev/null 2>&1; then
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shasum -a 256 "lambda-${{ needs.prepare_version.outputs.version }}-${{ matrix.os_slug }}.tar.gz" > "lambda-${{ needs.prepare_version.outputs.version }}-${{ matrix.os_slug }}.tar.gz.sha256"
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elif command -v sha256sum >/dev/null 2>&1; then
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sha256sum "lambda-${{ needs.prepare_version.outputs.version }}-${{ matrix.os_slug }}.tar.gz" > "lambda-${{ needs.prepare_version.outputs.version }}-${{ matrix.os_slug }}.tar.gz.sha256"
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fi
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- name: Package (zip)
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if: ${{ matrix.archive == 'zip' }}
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shell: pwsh
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run: |
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$v = "${{ needs.prepare_version.outputs.version }}"
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$slug = "${{ matrix.os_slug }}"
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$src = "stage/lambda-$v-$slug"
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$zip = "stage/lambda-$v-$slug.zip"
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Compress-Archive -Path "$src\*" -DestinationPath $zip -CompressionLevel Optimal
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(Get-FileHash $zip -Algorithm SHA256).Hash + " *$(Split-Path -Leaf $zip)" | Out-File "$zip.sha256" -Encoding ascii
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- name: Upload artifacts
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uses: actions/upload-artifact@v4
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with:
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name: release-${{ matrix.os_slug }}
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path: stage/*
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if-no-files-found: error
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release:
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name: Create GitHub release
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needs: [prepare_version, build, publish_crates]
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if: ${{ !inputs.dry_run }}
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runs-on: ubuntu-latest
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steps:
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- name: Checkout release tag
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uses: actions/checkout@v4
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with:
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fetch-depth: 0
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lfs: false
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ref: ${{ needs.prepare_version.outputs.tag }}
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- name: Generate changelog
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id: changelog
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shell: bash
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run: |
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set -euo pipefail
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TAG='${{ needs.prepare_version.outputs.tag }}'
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VERSION='${{ needs.prepare_version.outputs.version }}'
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REPO_URL="${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}"
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git fetch --tags --quiet
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PREV=$(git tag -l 'v*' | sort -V | awk -v t="$TAG" '$0==t{print last; exit} {last=$0}')
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if [[ -n "${PREV}" ]]; then
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RANGE="${PREV}..${TAG}"
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COMPARE_URL="${REPO_URL}/compare/${PREV}...${TAG}"
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else
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RANGE="${TAG}"
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COMPARE_URL="${REPO_URL}/commits/${TAG}"
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fi
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FILE="CHANGELOG-v${VERSION}.md"
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{
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echo "# Changelog";
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echo;
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echo "Version ${TAG}";
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echo;
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if [[ -n "${PREV}" ]]; then
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echo "Changes since ${PREV}";
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else
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echo "Initial release";
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fi
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echo;
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echo "Compare: ${COMPARE_URL}";
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echo;
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echo "Commits:";
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echo;
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} > "${FILE}"
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git log --no-merges --pretty=format:"- [%h](${REPO_URL}/commit/%H) %s" ${RANGE} >> "${FILE}"
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echo "path=${FILE}" >> "$GITHUB_OUTPUT"
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- name: Download artifacts
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uses: actions/download-artifact@v4
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with:
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path: dl
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merge-multiple: true
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- name: Create release and upload assets
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uses: softprops/action-gh-release@v2
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with:
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tag_name: ${{ needs.prepare_version.outputs.tag }}
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name: "lambda v${{ needs.prepare_version.outputs.version }}"
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draft: false
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prerelease: false
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body_path: ${{ steps.changelog.outputs.path }}
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files: |
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dl/*.tar.gz
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dl/*.tar.gz.sha256
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dl/*.zip
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dl/*.zip.sha256
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${{ steps.changelog.outputs.path }}

‎README.md‎

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</p>
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[![Cross Platform builds & tests](https://github.com/lambda-sh/lambda/actions/workflows/compile_lambda_rs.yml/badge.svg)](https://github.com/lambda-sh/lambda/actions/workflows/compile_lambda_rs.yml)
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[![Release](https://github.com/lambda-sh/lambda/actions/workflows/release.yml/badge.svg)](https://github.com/lambda-sh/lambda/actions/workflows/release.yml)
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![lambda-rs](https://img.shields.io/crates/d/lambda-rs)
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![lambda-rs](https://img.shields.io/crates/v/lambda-rs)
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1. [Getting started](#get_started)
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1. [Examples](#examples)
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1. [Planned additions](#plans)
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1. [Releases & Publishing](#publishing)
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1. [How to contribute](#contribute)
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1. [Resources](#resources)
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## Description <a name="description"></a>
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- [ ] Unit tests.
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- [ ] Nightly builds.
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## Releases & Publishing <a name="publishing"></a>
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For cutting releases, publishing crates to crates.io, and attaching
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multi-platform artifacts to GitHub Releases, see:
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- docs/publishing.md
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## How to contribute <a name="contribute"></a>
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Fork the current repository and then make the changes that you'd like to
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said fork. Stable releases will happen within the main branch requiring that

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