blob: eee7e6a77d5018049c097256373232288fa22401 [file] [log] [blame] [edit]
// Copyright 2021 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// gerrit-stats gathers statistics about changes made to Tint.
package main
import (
"context"
"flag"
"fmt"
"net/url"
"os"
"os/exec"
"regexp"
"time"
"dawn.googlesource.com/dawn/tools/src/auth"
"dawn.googlesource.com/dawn/tools/src/dawn"
"dawn.googlesource.com/dawn/tools/src/gerrit"
"dawn.googlesource.com/dawn/tools/src/git"
"go.chromium.org/luci/auth/client/authcli"
)
const yyyymmdd = "2006-01-02"
var (
repoFlag = flag.String("repo", "dawn", "the project (tint or dawn)")
userFlag = flag.String("user", defaultUser(), "user name / email")
afterFlag = flag.String("after", "", "start date")
beforeFlag = flag.String("before", "", "end date")
daysFlag = flag.Int("days", 182, "interval in days (used if --after is not specified)")
verboseFlag = flag.Bool("v", false, "verbose mode - lists all the changes")
authFlags = authcli.Flags{}
)
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() {
authFlags.Register(flag.CommandLine, auth.DefaultAuthOptions())
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))
}
ctx := context.Background()
auth, err := authFlags.Options()
if err != nil {
return err
}
g, err := gerrit.New(ctx, auth, dawn.GerritURL)
if err != nil {
return err
}
submitted, submittedQuery, err := g.QueryChanges(
"status:merged",
"owner:"+user,
"after:"+date(after),
"before:"+date(before),
"repo:"+*repoFlag)
if err != nil {
return fmt.Errorf("Query failed: %w", err)
}
reviewed, reviewQuery, err := g.QueryChanges(
"commentby:"+user,
"-owner:"+user,
"after:"+date(after),
"before:"+date(before),
"repo:"+*repoFlag)
if err != nil {
return fmt.Errorf("Query failed: %w", err)
}
ignorelist := []*regexp.Regexp{
regexp.MustCompile("Revert .*"),
}
ignore := func(s string) bool {
for _, re := range ignorelist {
if re.MatchString(s) {
return true
}
}
return false
}
insertions, deletions := 0, 0
for _, change := range submitted {
if ignore(change.Subject) {
continue
}
insertions += change.Insertions
deletions += change.Deletions
}
fmt.Printf("Between %v and %v, %v:\n", date(after), date(before), user)
fmt.Printf(" Submitted %v changes (LOC: %v+, %v-) \n", len(submitted), insertions, deletions)
fmt.Printf(" Reviewed %v changes\n", len(reviewed))
fmt.Printf("\n")
if *verboseFlag {
fmt.Printf("Submitted changes:\n")
for i, change := range submitted {
fmt.Printf("%3.1v: %6.v %v (LOC: %v+, %v-)\n", i, change.Number, change.Subject, change.Insertions, change.Deletions)
}
fmt.Printf("\n")
fmt.Printf("Reviewed changes:\n")
for i, change := range reviewed {
fmt.Printf("%3.1v: %6.v %v (LOC: %v+, %v-)\n", i, change.Number, change.Subject, change.Insertions, change.Deletions)
}
}
fmt.Printf("\n")
fmt.Printf("Submitted query: %vq/%v\n", dawn.GerritURL, url.QueryEscape(submittedQuery))
fmt.Printf("Review query: %vq/%v\n", dawn.GerritURL, url.QueryEscape(reviewQuery))
return nil
}
func today() time.Time {
return time.Now()
}
func date(t time.Time) string {
return t.Format(yyyymmdd)
}