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name: Publish to crates.io
'on':
push:
branches:
tags: '*'
jobs:
publish:
name: Publish
runs-on: ubuntu-latest
steps:
- name: Checkout sources
uses: actions/checkout@v2
- name: Install stable toolchain
uses: actions-rs/toolchain@v1
with:
profile: minimal
toolchain: stable
override: true
- name: Extract current version
id: extract_version
run: |
current_version=$(grep '^version' Cargo.toml | sed -E 's/version = "(.*)"/\1/')
echo "current_version=${current_version}" >> $GITHUB_ENV
working-directory: ./
- name: Get latest published version
id: get_latest_version
run: |
crate_name=$(grep '^name' Cargo.toml | sed -E 's/name = "(.*)"/\1/')
latest_version=$(curl -s https://crates.io/api/v1/crates/${crate_name} | jq -r .crate.max_version)
echo "latest_version=${latest_version}" >> $GITHUB_ENV
working-directory: ./
- name: Compare versions
id: compare_versions
run: |
if [ "${{ env.current_version }}" == "${{ env.latest_version }}" ]; then
echo "Version is already published."
echo "should_publish=false" >> $GITHUB_ENV
else
echo "New version detected."
echo "should_publish=true" >> $GITHUB_ENV
fi
working-directory: ./
- name: Publish to crates.io
if: env.should_publish == 'true'
run: 'cargo publish --token ${CRATES_IO_TOKEN}'
env:
CRATES_IO_TOKEN: ${{ secrets.CRATES_IO_TOKEN }}
working-directory: ./
- name: Skip publishing
if: env.should_publish == 'false'
run: echo "Skipping publish as the version is already up to date."
working-directory: ./