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// Copyright 2021 The Tint Authors.
//
// 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.
// snippets gathers information about changes merged for weekly reports (snippets).
package main
import (
"flag"
"fmt"
"os"
"os/exec"
"strings"
"time"
"dawn.googlesource.com/dawn/tools/src/dawn"
"dawn.googlesource.com/dawn/tools/src/gerrit"
"dawn.googlesource.com/dawn/tools/src/git"
)
const yyyymmdd = "2006-01-02"
var (
// See https://dawn-review.googlesource.com/new-password for obtaining
// username and password for gerrit.
gerritUser = flag.String("gerrit-user", "", "gerrit authentication username")
gerritPass = flag.String("gerrit-pass", "", "gerrit authentication password")
userFlag = flag.String("user", defaultUser(), "user name / email")
afterFlag = flag.String("after", "", "start date")
beforeFlag = flag.String("before", "", "end date")
daysFlag = flag.Int("days", 7, "interval in days (used if --after is not specified)")
)
func defaultUser() string {
if gitExe, err := exec.LookPath("git"); err == nil {
if g, err := git.New(gitExe); err == nil {
if cwd, err := os.Getwd(); err == nil {
if r, err := g.Open(cwd); err == nil {
if cfg, err := r.Config(nil); err == nil {
return cfg["user.email"]
}
}
}
}
}
return ""
}
func main() {
flag.Parse()
if err := run(); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
func run() error {
var after, before time.Time
var err error
user := *userFlag
if user == "" {
return fmt.Errorf("Missing required 'user' flag")
}
if *beforeFlag != "" {
before, err = time.Parse(yyyymmdd, *beforeFlag)
if err != nil {
return fmt.Errorf("Couldn't parse before date: %w", err)
}
} else {
before = time.Now().Add(time.Hour * 24)
}
if *afterFlag != "" {
after, err = time.Parse(yyyymmdd, *afterFlag)
if err != nil {
return fmt.Errorf("Couldn't parse after date: %w", err)
}
} else {
after = before.Add(-time.Hour * time.Duration(24**daysFlag))
}
g, err := gerrit.New(dawn.GerritURL, gerrit.Credentials{
Username: *gerritUser, Password: *gerritPass,
})
if err != nil {
return err
}
submitted, _, err := g.QueryChanges(
"status:merged",
"owner:"+user,
"after:"+date(after),
"before:"+date(before))
if err != nil {
return fmt.Errorf("Query failed: %w", err)
}
changesByProject := map[string][]string{}
for _, change := range submitted {
str := fmt.Sprintf(`* [%s](%sc/%s/+/%d)`, change.Subject, dawn.GerritURL, change.Project, change.Number)
changesByProject[change.Project] = append(changesByProject[change.Project], str)
}
for _, project := range []string{"tint", "dawn"} {
if changes := changesByProject[project]; len(changes) > 0 {
fmt.Println("##", strings.Title(project))
for i := len(changes) - 1; i >= 0; i-- {
fmt.Println(changes[i])
}
fmt.Println()
}
}
return nil
}
func today() time.Time {
return time.Now()
}
func date(t time.Time) string {
return t.Format(yyyymmdd)
}