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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 (
"bytes"
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"path/filepath"
"strings"
"text/template"
)
const (
issueLinkTemplate = "#%d"
linkTemplate = "[%s](%s)"
releaseNotesMarkdownTemplatePatchRelease = `
{{ if eq (len .All) 1 }}
This is a bug-fix release with one important fix.
{{ else }}
This is a bug-fix release with a couple of important fixes.
{{ end }}
{{ range .All }}
{{- if .GitHubCommit -}}
* {{ .Subject }} {{ .Hash }} {{ . | author }} {{ range .Issues }}{{ . | issue }} {{ end }}
{{ else -}}
* {{ .Subject }} {{ range .Issues }}{{ . | issue }} {{ end }}
{{ end -}}
{{- end }}
`
releaseNotesMarkdownTemplate = `
{{- $contribsPerAuthor := .All.ContribCountPerAuthor -}}
{{- $docsContribsPerAuthor := .Docs.ContribCountPerAuthor -}}
This release represents **{{ len .All }} contributions by {{ len $contribsPerAuthor }} contributors** to the main Hugo code base.
{{- if gt (len $contribsPerAuthor) 3 -}}
{{- $u1 := index $contribsPerAuthor 0 -}}
{{- $u2 := index $contribsPerAuthor 1 -}}
{{- $u3 := index $contribsPerAuthor 2 -}}
{{- $u4 := index $contribsPerAuthor 3 -}}
{{- $u1.AuthorLink }} leads the Hugo development with a significant amount of contributions, but also a big shoutout to {{ $u2.AuthorLink }}, {{ $u3.AuthorLink }}, and {{ $u4.AuthorLink }} for their ongoing contributions.
And thanks to [@digitalcraftsman](https://github.com/digitalcraftsman) for his ongoing work on keeping the themes site in pristine condition.
{{ end }}
Many have also been busy writing and fixing the documentation in [hugoDocs](https://github.com/gohugoio/hugoDocs),
which has received **{{ len .Docs }} contributions by {{ len $docsContribsPerAuthor }} contributors**.
{{- if gt (len $docsContribsPerAuthor) 3 -}}
{{- $u1 := index $docsContribsPerAuthor 0 -}}
{{- $u2 := index $docsContribsPerAuthor 1 -}}
{{- $u3 := index $docsContribsPerAuthor 2 -}}
{{- $u4 := index $docsContribsPerAuthor 3 }} A special thanks to {{ $u1.AuthorLink }}, {{ $u2.AuthorLink }}, {{ $u3.AuthorLink }}, and {{ $u4.AuthorLink }} for their work on the documentation site.
{{ end }}
Hugo now has:
{{ with .Repo -}}
* {{ .Stars }}+ [stars](https://github.com/gohugoio/hugo/stargazers)
* {{ len .Contributors }}+ [contributors](https://github.com/gohugoio/hugo/graphs/contributors)
{{- end -}}
{{ with .ThemeCount }}
* {{ . }}+ [themes](http://themes.gohugo.io/)
{{ end }}
{{ with .Notes }}
## Notes
{{ template "change-section" . }}
{{- end -}}
{{ with .All }}
## Changes
{{ template "change-section" . }}
{{ end }}
{{ define "change-section" }}
{{ range . }}
{{- if .GitHubCommit -}}
* {{ .Subject }} {{ .Hash }} {{ . | author }} {{ range .Issues }}{{ . | issue }} {{ end }}
{{ else -}}
* {{ .Subject }} {{ range .Issues }}{{ . | issue }} {{ end }}
{{ end -}}
{{- end }}
{{ end }}
`
)
var templateFuncs = template.FuncMap{
"isPatch": func(c changeLog) bool {
return !strings.HasSuffix(c.Version, "0")
},
"issue": func(id int) string {
return fmt.Sprintf(issueLinkTemplate, id)
},
"commitURL": func(info gitInfo) string {
if info.GitHubCommit.HTMLURL == "" {
return ""
}
return fmt.Sprintf(linkTemplate, info.Hash, info.GitHubCommit.HTMLURL)
},
"author": func(info gitInfo) string {
return "@" + info.GitHubCommit.Author.Login
},
}
func writeReleaseNotes(version string, infosMain, infosDocs gitInfos, to io.Writer) error {
client := newGitHubAPI("hugo")
changes := newChangeLog(infosMain, infosDocs)
changes.Version = version
repo, err := client.fetchRepo()
if err == nil {
changes.Repo = &repo
}
themeCount, err := fetchThemeCount()
if err == nil {
changes.ThemeCount = themeCount
}
mtempl := releaseNotesMarkdownTemplate
if !strings.HasSuffix(version, "0") {
mtempl = releaseNotesMarkdownTemplatePatchRelease
}
tmpl, err := template.New("").Funcs(templateFuncs).Parse(mtempl)
if err != nil {
return err
}
err = tmpl.Execute(to, changes)
if err != nil {
return err
}
return nil
}
func fetchThemeCount() (int, error) {
resp, err := http.Get("https://raw.githubusercontent.com/gohugoio/hugoThemesSiteBuilder/main/themes.txt")
if err != nil {
return 0, err
}
defer resp.Body.Close()
b, _ := ioutil.ReadAll(resp.Body)
return bytes.Count(b, []byte("\n")) - bytes.Count(b, []byte("#")), nil
}
func getReleaseNotesFilename(version string) string {
return filepath.FromSlash(fmt.Sprintf("temp/%s-relnotes-ready.md", version))
}
func (r *ReleaseHandler) writeReleaseNotesToTemp(version string, isPatch bool, infosMain, infosDocs gitInfos) (string, error) {
filename := getReleaseNotesFilename(version)
var w io.WriteCloser
if !r.try {
f, err := os.Create(filename)
if err != nil {
return "", err
}
defer f.Close()
w = f
} else {
w = os.Stdout
}
if err := writeReleaseNotes(version, infosMain, infosDocs, w); err != nil {
return "", err
}
return filename, nil
}
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