k3s/contrib/release-notes/release-notes.go

121 lines
2.9 KiB
Go

/*
Copyright 2014 The Kubernetes 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 main
import (
"bytes"
"fmt"
"net/http"
"os"
"sort"
"time"
"github.com/google/go-github/github"
flag "github.com/spf13/pflag"
"golang.org/x/oauth2"
)
var (
target int
current int
token string
)
type ByMerged []*github.PullRequest
func (a ByMerged) Len() int { return len(a) }
func (a ByMerged) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a ByMerged) Less(i, j int) bool { return a[i].MergedAt.Before(*a[j].MergedAt) }
func init() {
flag.IntVar(&target, "last-release-pr", 0, "The PR number of the last versioned release.")
flag.IntVar(&current, "current-release-pr", 0, "The PR number of the current versioned release.")
flag.StringVar(&token, "api-token", "", "Github api token for rate limiting. See https://developer.github.com/v3/#rate-limiting.")
}
func main() {
flag.Parse()
// Automatically determine this from github.
if target == 0 {
fmt.Printf("--last-release-pr is required.\n")
os.Exit(1)
}
if current == 0 {
fmt.Printf("--curent-release-pr is required.\n")
os.Exit(1)
}
var tc *http.Client
if len(token) > 0 {
tc = oauth2.NewClient(
oauth2.NoContext,
oauth2.StaticTokenSource(
&oauth2.Token{AccessToken: token}),
)
}
client := github.NewClient(tc)
done := false
opts := github.PullRequestListOptions{
State: "closed",
Sort: "updated",
Direction: "desc",
ListOptions: github.ListOptions{
Page: 0,
PerPage: 100,
},
}
buffer := &bytes.Buffer{}
prs := []*github.PullRequest{}
var lastVersionMerged *time.Time
var currentVersionCreated *time.Time
for !done {
opts.Page++
results, _, err := client.PullRequests.List("GoogleCloudPlatform", "kubernetes", &opts)
if err != nil {
fmt.Printf("Error contacting github: %v", err)
os.Exit(1)
}
for ix := range results {
result := &results[ix]
// Skip Closed but not Merged PRs
if result.MergedAt == nil {
continue
}
if *result.Number == target {
done = true
lastVersionMerged = result.MergedAt
break
}
if *result.Number == current {
currentVersionCreated = result.CreatedAt
}
prs = append(prs, result)
}
}
sort.Sort(ByMerged(prs))
for _, pr := range prs {
if lastVersionMerged.Before(*pr.MergedAt) && pr.MergedAt.Before(*currentVersionCreated) {
fmt.Fprintf(buffer, " * %s #%d (%s)\n", *pr.Title, *pr.Number, *pr.User.Login)
}
}
fmt.Printf("%s", buffer.Bytes())
}