176 lines
6.4 KiB
YAML
176 lines
6.4 KiB
YAML
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name: Calculate version
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description: Validate Conventional Commits and calculate the build version
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inputs:
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commit-types:
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description: Comma-separated Conventional Commit types
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required: false
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default: feat,fix,docs,style,refactor,perf,test,build,ci,chore,revert
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outputs:
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version:
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description: Version for dotnet build and pack
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value: ${{ steps.version.outputs.version }}
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base-version:
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description: Version before the current changes
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value: ${{ steps.version.outputs.base-version }}
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label:
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description: Build label, such as next or pr.42
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value: ${{ steps.version.outputs.label }}
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metadata:
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description: Build metadata, such as sha.abc123
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value: ${{ steps.version.outputs.metadata }}
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bump:
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description: Highest version increment found
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value: ${{ steps.version.outputs.bump }}
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runs:
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using: composite
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steps:
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- id: version
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shell: bash
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env:
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VERSION_EVENT_NAME: ${{ github.event_name }}
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VERSION_REF_NAME: ${{ github.ref_name }}
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VERSION_BASE_REF: ${{ github.base_ref }}
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VERSION_HEAD_SHA: ${{ github.event.pull_request.head.sha }}
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VERSION_PR_NUMBER: ${{ github.event.pull_request.number }}
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VERSION_COMMIT_TYPES: ${{ inputs.commit-types }}
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run: |
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set -euo pipefail
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error() {
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echo "::error::$*" >&2
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exit 1
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}
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command -v git >/dev/null || error "git is required"
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event_name="${VERSION_EVENT_NAME:-${GITHUB_EVENT_NAME:-}}"
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ref_name="${VERSION_REF_NAME:-${GITHUB_REF_NAME:-}}"
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base_ref="${VERSION_BASE_REF:-${GITHUB_BASE_REF:-}}"
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head_sha="${VERSION_HEAD_SHA:-${GITHUB_SHA:-HEAD}}"
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pr_number="${VERSION_PR_NUMBER:-${PR_NUMBER:-}}"
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commit_types="${VERSION_COMMIT_TYPES:-feat,fix,docs,style,refactor,perf,test,build,ci,chore,revert}"
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type_pattern="${commit_types//,/|}"
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output_file="${GITHUB_OUTPUT:-}"
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write_output() {
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[[ -n "$output_file" ]] && printf '%s=%s\n' "$1" "$2" >>"$output_file"
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}
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valid_version() {
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[[ "$1" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]
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}
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tag_version() {
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valid_version "$1" || error "Tag '$1' is not a valid release version (expected MAJOR.MINOR.PATCH)"
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printf '%s' "$1"
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}
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latest_release_tag() {
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git tag --list '[0-9]*' --sort=-version:refname | head -n 1
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}
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version_parts() {
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IFS=. read -r major minor patch <<<"$1"
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printf '%s %s %s' "$major" "$minor" "$patch"
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}
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bump_version() {
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local version=$1 bump=$2 major minor patch
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read -r major minor patch <<<"$(version_parts "$version")"
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case "$bump" in
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major) major=$((major + 1)); minor=0; patch=0 ;;
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minor) minor=$((minor + 1)); patch=0 ;;
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patch) patch=$((patch + 1)) ;;
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none) ;;
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*) error "Unknown version bump '$bump'" ;;
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esac
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printf '%s.%s.%s' "$major" "$minor" "$patch"
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}
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commit_bump() {
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local commit=$1 validate=${2:-1} subject body bump=none type
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subject=$(git log -1 --format=%s "$commit")
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body=$(git log -1 --format=%b "$commit")
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if ! [[ "$subject" =~ ^($type_pattern)(\([^()]+\))?(!)?:[[:space:]]+[^[:space:]].*$ ]]; then
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[[ "$validate" == 0 ]] && { printf none; return; }
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error "Commit $commit has an invalid Conventional Commit subject: $subject"
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fi
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type=${BASH_REMATCH[1]}
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if [[ "$subject" =~ ^[^:]+\!: ]] || [[ "$body" == *"BREAKING CHANGE:"* ]] || [[ "$body" == *"BREAKING-CHANGE:"* ]]; then
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bump=major
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elif [[ "$type" == feat ]]; then
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bump=minor
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elif [[ "$type" == fix ]]; then
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bump='patch'
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fi
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printf '%s' "$bump"
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}
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higher_bump() {
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case "$1:$2" in
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major:*) printf major ;; *:major) printf major ;;
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minor:minor|minor:patch|patch:minor) printf minor ;;
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patch:patch) printf patch ;;
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none:*) printf '%s' "$2" ;;
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*:none) printf '%s' "$1" ;;
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*) error "Cannot compare bumps '$1' and '$2'" ;;
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esac
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}
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commits_between() {
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git rev-list --reverse --no-merges "$1..$2"
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}
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calculate_bump() {
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local commits=$1 validate=${2:-1} commit bump=none current
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while IFS= read -r commit; do
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[[ -n "$commit" ]] || continue
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current=$(commit_bump "$commit" "$validate")
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bump=$(higher_bump "$bump" "$current")
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done <<<"$commits"
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printf '%s' "$bump"
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}
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tag=$(latest_release_tag || true)
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if [[ -n "$tag" ]]; then
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base_version=$(tag_version "$tag")
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tag_start=$tag
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else
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base_version=0.0.0
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tag_start=$(git rev-list --max-parents=0 HEAD | tail -n 1)
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fi
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if [[ "$event_name" == pull_request || -n "$base_ref" ]]; then
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[[ -n "$pr_number" ]] || error "Pull request number is required"
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[[ -n "$base_ref" ]] || error "Pull request base ref is required"
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base_commit=$(git rev-parse "$base_ref" 2>/dev/null || git rev-parse "origin/$base_ref")
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head_commit=$(git rev-parse "$head_sha")
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pr_commits=$(commits_between "$base_commit" "$head_commit")
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pr_bump=$(calculate_bump "$pr_commits")
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base_bump=$(calculate_bump "$(commits_between "$tag_start" "$base_commit")" 0)
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bump=$(higher_bump "$base_bump" "$pr_bump")
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version=$(bump_version "$base_version" "$bump")-pr."$pr_number".sha."$head_commit"
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label="pr.$pr_number"
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metadata="sha.$head_commit"
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elif [[ "$event_name" == push && "$ref_name" == [0-9]* || "$ref_name" == [0-9]* ]]; then
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version=$(tag_version "$ref_name")
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bump=none
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label=release
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metadata=none
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else
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head_commit=$(git rev-parse "$head_sha")
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commits=$(commits_between "$tag_start" "$head_commit")
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bump=$(calculate_bump "$commits")
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version=$(bump_version "$base_version" "$bump")-next.sha."$head_commit"
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label=next
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metadata="sha.$head_commit"
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fi
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write_output version "$version"
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write_output base-version "$base_version"
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write_output label "$label"
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write_output metadata "$metadata"
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write_output bump "$bump"
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printf 'Calculated version: %s\n' "$version"
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