tools: Add gerrit-stats
Gives you juicy stats for contributions to the project.
Change-Id: I4f3e7f03cc43947675e916a8036317af4a894d12
Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/57883
Auto-Submit: Ben Clayton <bclayton@google.com>
Kokoro: Kokoro <noreply+kokoro@google.com>
Commit-Queue: David Neto <dneto@google.com>
Reviewed-by: David Neto <dneto@google.com>
diff --git a/tools/src/cmd/gerrit-stats/main.go b/tools/src/cmd/gerrit-stats/main.go
new file mode 100644
index 0000000..dd27fc3
--- /dev/null
+++ b/tools/src/cmd/gerrit-stats/main.go
@@ -0,0 +1,198 @@
+// 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.
+
+// gerrit-stats gathers statistics about changes made to Tint.
+package main
+
+import (
+ "flag"
+ "fmt"
+ "io/ioutil"
+ "net/url"
+ "os"
+ "regexp"
+ "strings"
+ "time"
+
+ "github.com/andygrunwald/go-gerrit"
+)
+
+const (
+ yyyymmdd = "2006-01-02"
+ gerritURL = "https://dawn-review.googlesource.com/"
+)
+
+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")
+ repoFlag = flag.String("repo", "tint", "the project (tint or dawn)")
+ userFlag = flag.String("user", "", "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")
+)
+
+func main() {
+ flag.Parse()
+ if err := run(); err != nil {
+ fmt.Fprintln(os.Stderr, err)
+ os.Exit(1)
+ }
+}
+
+func queryChanges(client *gerrit.Client, queryParts ...string) ([]gerrit.ChangeInfo, string, error) {
+ query := strings.Join(queryParts, "+")
+ out := []gerrit.ChangeInfo{}
+ for {
+ changes, _, err := client.Changes.QueryChanges(&gerrit.QueryChangeOptions{
+ QueryOptions: gerrit.QueryOptions{Query: []string{query}},
+ Skip: len(out),
+ })
+ if err != nil {
+ return nil, "", err
+ }
+
+ out = append(out, *changes...)
+ if len(*changes) == 0 || !(*changes)[len(*changes)-1].MoreChanges {
+ break
+ }
+ }
+ return out, query, nil
+}
+
+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()
+ }
+ 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))
+ }
+
+ client, err := gerrit.NewClient(gerritURL, nil)
+ if err != nil {
+ return fmt.Errorf("Couldn't create gerrit client: %w", err)
+ }
+
+ if *gerritUser == "" {
+ cookiesFile := os.Getenv("HOME") + "/.gitcookies"
+ if cookies, err := ioutil.ReadFile(cookiesFile); err == nil {
+ re := regexp.MustCompile(`dawn-review.googlesource.com\s+(?:FALSE|TRUE)[\s/]+(?:FALSE|TRUE)\s+[0-9]+\s+.\s+(.*)=(.*)`)
+ match := re.FindStringSubmatch(string(cookies))
+ if len(match) == 3 {
+ *gerritUser, *gerritPass = match[1], match[2]
+ }
+ }
+ }
+
+ if *gerritUser != "" {
+ client.Authentication.SetBasicAuth(*gerritUser, *gerritPass)
+ }
+
+ submitted, submittedQuery, err := queryChanges(client,
+ "status:merged",
+ "owner:"+user,
+ "after:"+date(after),
+ "before:"+date(before),
+ "repo:"+*repoFlag)
+ if err != nil {
+ if *gerritUser == "" {
+ return fmt.Errorf(`Query failed, possibly because of authentication.
+See https://dawn-review.googlesource.com/new-password for obtaining a username
+and password which can be provided with --gerrit-user and --gerrit-pass.
+%w`, err)
+ }
+ return fmt.Errorf("Query failed: %w", err)
+ }
+
+ reviewed, reviewQuery, err := queryChanges(client,
+ "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", gerritURL, url.QueryEscape(submittedQuery))
+ fmt.Printf("Review query: %vq/%v\n", gerritURL, url.QueryEscape(reviewQuery))
+
+ return nil
+}
+
+func today() time.Time {
+ return time.Now()
+}
+
+func date(t time.Time) string {
+ return t.Format(yyyymmdd)
+}
diff --git a/tools/src/go.mod b/tools/src/go.mod
index 1f580d5..0183a32 100644
--- a/tools/src/go.mod
+++ b/tools/src/go.mod
@@ -3,6 +3,7 @@
go 1.16
require (
+ github.com/andygrunwald/go-gerrit v0.0.0-20210709065208-9d38b0be0268
github.com/fatih/color v1.10.0
github.com/sergi/go-diff v1.2.0
golang.org/x/net v0.0.0-20210614182718-04defd469f4e
diff --git a/tools/src/go.sum b/tools/src/go.sum
index b2db088..a7f59b9 100644
--- a/tools/src/go.sum
+++ b/tools/src/go.sum
@@ -1,8 +1,14 @@
+github.com/andygrunwald/go-gerrit v0.0.0-20210709065208-9d38b0be0268 h1:7gokoTWteZhP1t2f0OzrFFXlyL8o0+b0r4ZaRV9PXOs=
+github.com/andygrunwald/go-gerrit v0.0.0-20210709065208-9d38b0be0268/go.mod h1:aqcjwEnmLLSalFNYR0p2ttnEXOVVRctIzsUMHbEcruU=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/fatih/color v1.10.0 h1:s36xzo75JdqLaaWoiEHk767eHiwo0598uUxyfiPkDsg=
github.com/fatih/color v1.10.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM=
+github.com/google/go-cmp v0.5.2 h1:X2ev0eStA3AbceY54o37/0PQ/UWqKEiiO2dKL5OPaFM=
+github.com/google/go-cmp v0.5.2/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD/fhyJ8=
+github.com/google/go-querystring v1.1.0/go.mod h1:Kcdr2DB4koayq7X8pmAG4sNG59So17icRSOU623lUBU=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
@@ -27,6 +33,7 @@
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
