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forgejo/modules/git/repo_stats.go
wxiaoguang dcd9fc7ee8
Refactor git command arguments and make all arguments to be safe to be used (#21535)
Follow #21464

Make all git command arguments strictly safe. Most changes are one-to-one replacing, keep all existing logic.
2022-10-23 22:44:45 +08:00

148 lines
3.9 KiB
Go

// Copyright 2019 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package git
import (
"bufio"
"context"
"fmt"
"os"
"sort"
"strconv"
"strings"
"time"
"code.gitea.io/gitea/modules/container"
)
// CodeActivityStats represents git statistics data
type CodeActivityStats struct {
AuthorCount int64
CommitCount int64
ChangedFiles int64
Additions int64
Deletions int64
CommitCountInAllBranches int64
Authors []*CodeActivityAuthor
}
// CodeActivityAuthor represents git statistics data for commit authors
type CodeActivityAuthor struct {
Name string
Email string
Commits int64
}
// GetCodeActivityStats returns code statistics for activity page
func (repo *Repository) GetCodeActivityStats(fromTime time.Time, branch string) (*CodeActivityStats, error) {
stats := &CodeActivityStats{}
since := fromTime.Format(time.RFC3339)
stdout, _, runErr := NewCommand(repo.Ctx, "rev-list", "--count", "--no-merges", "--branches=*", "--date=iso", CmdArg(fmt.Sprintf("--since='%s'", since))).RunStdString(&RunOpts{Dir: repo.Path})
if runErr != nil {
return nil, runErr
}
c, err := strconv.ParseInt(strings.TrimSpace(stdout), 10, 64)
if err != nil {
return nil, err
}
stats.CommitCountInAllBranches = c
stdoutReader, stdoutWriter, err := os.Pipe()
if err != nil {
return nil, err
}
defer func() {
_ = stdoutReader.Close()
_ = stdoutWriter.Close()
}()
gitCmd := NewCommand(repo.Ctx, "log", "--numstat", "--no-merges", "--pretty=format:---%n%h%n%aN%n%aE%n", "--date=iso", CmdArg(fmt.Sprintf("--since='%s'", since)))
if len(branch) == 0 {
gitCmd.AddArguments("--branches=*")
} else {
gitCmd.AddArguments("--first-parent").AddDynamicArguments(branch)
}
stderr := new(strings.Builder)
err = gitCmd.Run(&RunOpts{
Env: []string{},
Dir: repo.Path,
Stdout: stdoutWriter,
Stderr: stderr,
PipelineFunc: func(ctx context.Context, cancel context.CancelFunc) error {
_ = stdoutWriter.Close()
scanner := bufio.NewScanner(stdoutReader)
scanner.Split(bufio.ScanLines)
stats.CommitCount = 0
stats.Additions = 0
stats.Deletions = 0
authors := make(map[string]*CodeActivityAuthor)
files := make(container.Set[string])
var author string
p := 0
for scanner.Scan() {
l := strings.TrimSpace(scanner.Text())
if l == "---" {
p = 1
} else if p == 0 {
continue
} else {
p++
}
if p > 4 && len(l) == 0 {
continue
}
switch p {
case 1: // Separator
case 2: // Commit sha-1
stats.CommitCount++
case 3: // Author
author = l
case 4: // E-mail
email := strings.ToLower(l)
if _, ok := authors[email]; !ok {
authors[email] = &CodeActivityAuthor{Name: author, Email: email, Commits: 0}
}
authors[email].Commits++
default: // Changed file
if parts := strings.Fields(l); len(parts) >= 3 {
if parts[0] != "-" {
if c, err := strconv.ParseInt(strings.TrimSpace(parts[0]), 10, 64); err == nil {
stats.Additions += c
}
}
if parts[1] != "-" {
if c, err := strconv.ParseInt(strings.TrimSpace(parts[1]), 10, 64); err == nil {
stats.Deletions += c
}
}
files.Add(parts[2])
}
}
}
a := make([]*CodeActivityAuthor, 0, len(authors))
for _, v := range authors {
a = append(a, v)
}
// Sort authors descending depending on commit count
sort.Slice(a, func(i, j int) bool {
return a[i].Commits > a[j].Commits
})
stats.AuthorCount = int64(len(authors))
stats.ChangedFiles = int64(len(files))
stats.Authors = a
_ = stdoutReader.Close()
return nil
},
})
if err != nil {
return nil, fmt.Errorf("Failed to get GetCodeActivityStats for repository.\nError: %w\nStderr: %s", err, stderr)
}
return stats, nil
}