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// Copyright 2017-present The Hugo Authors. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package releaser implements a set of utilities and a wrapper around Goreleaser
// to help automate the Hugo release process.
package releaser
import (
"errors"
"fmt"
"io/ioutil"
"log"
"os"
"os/exec"
"path/filepath"
"regexp"
"github.com/gohugoio/hugo/helpers"
)
const commitPrefix = "releaser:"
type ReleaseHandler struct {
patch int
// If set, we do the releases in 3 steps:
// 1: Create and write a draft release notes
// 2: Prepare files for new version.
// 3: Release
step int
skipPublish bool
}
func (r ReleaseHandler) shouldRelease() bool {
return r.step < 1 || r.shouldContinue()
}
func (r ReleaseHandler) shouldContinue() bool {
return r.step == 3
}
func (r ReleaseHandler) shouldPrepareReleasenotes() bool {
return r.step < 1 || r.step == 1
}
func (r ReleaseHandler) shouldPrepareVersions() bool {
return r.step < 1 || r.step == 2
}
func (r ReleaseHandler) calculateVersions(current helpers.HugoVersion) (helpers.HugoVersion, helpers.HugoVersion) {
var (
newVersion = current
finalVersion = current
)
newVersion.Suffix = ""
if r.shouldContinue() {
// The version in the current code base is in the state we want for
// the release.
if r.patch == 0 {
finalVersion = newVersion.Next()
}
} else if r.patch > 0 {
newVersion = helpers.CurrentHugoVersion.NextPatchLevel(r.patch)
} else {
finalVersion = newVersion.Next()
}
finalVersion.Suffix = "-DEV"
return newVersion, finalVersion
}
func New(patch, step int, skipPublish bool) *ReleaseHandler {
return &ReleaseHandler{patch: patch, step: step, skipPublish: skipPublish}
}
func (r *ReleaseHandler) Run() error {
if os.Getenv("GITHUB_TOKEN") == "" {
return errors.New("GITHUB_TOKEN not set, create one here with the repo scope selected: https://github.com/settings/tokens/new")
}
newVersion, finalVersion := r.calculateVersions(helpers.CurrentHugoVersion)
version := newVersion.String()
tag := "v" + version
// Exit early if tag already exists
exists, err := tagExists(tag)
if err != nil {
return err
}
if exists {
return fmt.Errorf("Tag %q already exists", tag)
}
var changeLogFromTag string
if newVersion.PatchLevel == 0 {
// There may have been patch releases inbetween, so set the tag explicitly.
changeLogFromTag = "v" + newVersion.Prev().String()
exists, _ := tagExists(changeLogFromTag)
if !exists {
// fall back to one that exists.
changeLogFromTag = ""
}
}
var gitCommits gitInfos
if r.shouldPrepareReleasenotes() || r.shouldRelease() {
gitCommits, err = getGitInfos(changeLogFromTag, true)
if err != nil {
return err
}
}
if r.shouldPrepareReleasenotes() {
releaseNotesFile, err := writeReleaseNotesToTemp(version, gitCommits)
if err != nil {
return err
}
if _, err := git("add", releaseNotesFile); err != nil {
return err
}
if _, err := git("commit", "-m", fmt.Sprintf("%s Add release notes draft for %s\n\n[ci skip]", commitPrefix, newVersion)); err != nil {
return err
}
}
if r.shouldPrepareVersions() {
// Make sure the docs submodule is up to date.
if _, err := git("submodule", "update", "--remote", "--merge"); err != nil {
return err
}
// TODO(bep) the above may not have changed anything.
if _, err := git("commit", "-a", "-m", fmt.Sprintf("%s Update /docs [ci skip]", commitPrefix)); err != nil {
return err
}
if err := bumpVersions(newVersion); err != nil {
return err
}
for _, repo := range []string{"docs", "."} {
if _, err := git("-C", repo, "commit", "-a", "-m", fmt.Sprintf("%s Bump versions for release of %s\n\n[ci skip]", commitPrefix, newVersion)); err != nil {
return err
}
}
}
if !r.shouldRelease() {
fmt.Println("Skip release ... Use --state=3 to continue.")
return nil
}
releaseNotesFile := getReleaseNotesDocsTempFilename(version)
// Write the release notes to the docs site as well.
docFile, err := writeReleaseNotesToDocs(version, releaseNotesFile)
if err != nil {
return err
}
if _, err := git("-C", "docs", "add", docFile); err != nil {
return err
}
if _, err := git("-C", "docs", "commit", "-m", fmt.Sprintf("%s Add release notes to /docs for release of %s\n\n[ci skip]", commitPrefix, newVersion)); err != nil {
return err
}
for i, repo := range []string{"docs", "."} {
if i == 1 {
if _, err := git("add", "docs"); err != nil {
return err
}
if _, err := git("commit", "-m", fmt.Sprintf("%s Update /docs to %s [ci skip]", commitPrefix, newVersion)); err != nil {
return err
}
}
if _, err := git("-C", repo, "tag", "-a", tag, "-m", fmt.Sprintf("%s %s [ci deploy]", commitPrefix, newVersion)); err != nil {
return err
}
repoURL := "git@github.com:gohugoio/hugo.git"
if i == 0 {
repoURL = "git@github.com:gohugoio/hugoDocs.git"
}
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