/
changelog.go
150 lines (129 loc) · 3.45 KB
/
changelog.go
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/*
Copyright AppsCode Inc.
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 lib
import (
"bytes"
"encoding/json"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"text/template"
"time"
"github.com/appscodelabs/release-automaton/api"
"github.com/appscodelabs/release-automaton/templates"
"github.com/Masterminds/sprig"
)
func UpdateChangelog(dir string, release api.Release, repoURL, tag string, commits []api.Commit) {
var status api.ChangelogStatus
for _, projects := range release.Projects {
for u, project := range projects {
if u == repoURL {
status = project.Changelog
if status == api.SkipChangelog {
return
}
break
}
}
}
err := os.MkdirAll(dir, 0755)
if err != nil {
panic(err)
}
filenameChlog := filepath.Join(dir, "CHANGELOG.json")
chlog := LoadChangelog(dir, release)
var repoFound bool
for repoIdx := range chlog.Projects {
if chlog.Projects[repoIdx].URL == repoURL {
repoFound = true
var tagFound bool
for tagIdx := range chlog.Projects[repoIdx].Releases {
if chlog.Projects[repoIdx].Releases[tagIdx].Tag == tag {
chlog.Projects[repoIdx].Releases[tagIdx].Commits = commits
tagFound = true
break
}
}
if !tagFound {
chlog.Projects[repoIdx].Releases = append(chlog.Projects[repoIdx].Releases, api.ReleaseChangelog{
Tag: tag,
Commits: commits,
})
}
break
}
}
if !repoFound {
chlog.Projects = append(chlog.Projects, api.ProjectChangelog{
URL: repoURL,
Releases: []api.ReleaseChangelog{
{
Tag: tag,
Commits: commits,
},
},
})
}
chlog.Sort()
data, err := MarshalJson(chlog)
if err != nil {
panic(err)
}
err = ioutil.WriteFile(filenameChlog, data, 0644)
if err != nil {
panic(err)
}
WriteChangelogMarkdown(filepath.Join(dir, "README.md"), "changelog.tpl", chlog)
}
func LoadChangelog(dir string, release api.Release) api.Changelog {
var chlog api.Changelog
filename := filepath.Join(dir, "CHANGELOG.json")
data, err := ioutil.ReadFile(filename)
if err == nil {
err = json.Unmarshal(data, &chlog)
if err != nil {
panic(err)
}
}
chlog.ProductLine = release.ProductLine
chlog.Release = release.Release
chlog.ReleaseProjectURL = fmt.Sprintf("https://github.com/%s", os.Getenv("GITHUB_REPOSITORY"))
chlog.DocsURL = fmt.Sprintf(release.DocsURLTemplate, release.Release)
chlog.ReleaseDate = time.Now().UTC()
chlog.KubernetesVersion = release.KubernetesVersion
return chlog
}
func WriteChangelogMarkdown(filename string, tplname string, data interface{}) {
var err error
err = os.MkdirAll(filepath.Dir(filename), 0755)
if err != nil {
panic(err)
}
tpl := template.New("").Funcs(sprig.TxtFuncMap())
for _, name := range templates.AssetNames() {
tpl, err = tpl.New(name).Parse(string(templates.MustAsset(name)))
if err != nil {
panic(err)
}
}
var buf bytes.Buffer
err = tpl.ExecuteTemplate(&buf, tplname, data)
if err != nil {
panic(err)
}
err = ioutil.WriteFile(filename, buf.Bytes(), 0644)
if err != nil {
panic(err)
}
}