cargo-semver-checks/action.yml
2022-08-02 11:58:37 -07:00

59 lines
2.5 KiB
YAML

name: 'cargo-semver-checks'
description: 'Ensure the public API in your Rust crate follows semantic versioning'
inputs:
crate-name:
description: 'The crate whose API to check for semver'
required: false
default: ''
version-tag-prefix:
description: 'The prefix to use for the git tag for a version; the default "v" creates tags like "v1.0.0"'
required: false
default: 'v'
runs:
using: "composite"
steps:
- name: Install rust
uses: actions-rs/toolchain@v1
with:
toolchain: nightly
profile: minimal
- name: Build rustdoc and check it
shell: bash
run: |
set -euxo pipefail
# Colorize output, since GitHub Actions terminals support color.
export CARGO_TERM_COLOR=always
# Record the current git sha, so we can come back to it after generating the baseline.
export CURRENT_GIT_SHA="$(git rev-parse HEAD)"
export PACKAGE_NAME="${{ inputs.crate-name }}"
if [[ "$PACKAGE_NAME" == '' ]]; then
export PACKAGE_NAME="$("$GITHUB_ACTION_PATH/find_workspace_crates.sh")"
fi
export PACKAGE_NAME_WITH_UNDERSCORES="$(echo "$PACKAGE_NAME" | tr '-' '_')"
# Switch to the tag for the correct baseline version,
# then build rustdoc JSON.
#
# We *do not* want to record and reuse the target directory path
# across different git commits, since it may be at a different location
# in different commits.
export COMPARISON_TAG="${{ inputs.version-tag-prefix }}$("$GITHUB_ACTION_PATH/find_comparison_version.sh" "$PACKAGE_NAME")"
git fetch origin "$COMPARISON_TAG"
git checkout "tags/$COMPARISON_TAG"
cargo +nightly rustdoc -- -Zunstable-options --output-format json
mv "$(cargo metadata --format-version 1 | jq -r .target_directory)/doc/$PACKAGE_NAME_WITH_UNDERSCORES.json" /tmp/baseline.json
# Return to the original git sha.
git checkout "$CURRENT_GIT_SHA"
# Build rustdoc JSON for the current version, and move it to /tmp/
# so it doesn't get overwritten by the baseline build.
cargo +nightly rustdoc -- -Zunstable-options --output-format json
mv "$(cargo metadata --format-version 1 | jq -r .target_directory)/doc/$PACKAGE_NAME_WITH_UNDERSCORES.json" /tmp/current.json
# Check for semver violations.
cargo install cargo-semver-checks
cargo semver-checks check-release --current /tmp/current.json --baseline /tmp/baseline.json