Fix race when running commands with timeout (#1465)

Update vendored module code.gitea.io/git

vendor/code.gitea.io/git/command.go

@@ -6,6 +6,7 @@ package git
 
 import (
 	"bytes"
+	"context"
 	"fmt"
 	"io"
 	"os/exec"
@@ -58,7 +59,10 @@ func (c *Command) RunInDirTimeoutPipeline(timeout time.Duration, dir string, std
 		log("%s: %v", dir, c)
 	}
 
-	cmd := exec.Command(c.name, c.args...)
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+
+	cmd := exec.CommandContext(ctx, c.name, c.args...)
 	cmd.Dir = dir
 	cmd.Stdout = stdout
 	cmd.Stderr = stderr
@@ -66,26 +70,7 @@ func (c *Command) RunInDirTimeoutPipeline(timeout time.Duration, dir string, std
 		return err
 	}
 
-	done := make(chan error)
-	go func() {
-		done <- cmd.Wait()
-	}()
-
-	var err error
-	select {
-	case <-time.After(timeout):
-		if cmd.Process != nil && cmd.ProcessState != nil && !cmd.ProcessState.Exited() {
-			if err := cmd.Process.Kill(); err != nil {
-				return fmt.Errorf("fail to kill process: %v", err)
-			}
-		}
-
-		<-done
-		return ErrExecTimeout{timeout}
-	case err = <-done:
-	}
-
-	return err
+	return cmd.Wait()
 }
 
 // RunInDirTimeout executes the command in given directory with given timeout,

vendor/code.gitea.io/git/repo.go

@@ -11,7 +11,10 @@ import (
 	"os"
 	"path"
 	"path/filepath"
+	"strings"
 	"time"
+
+	"github.com/Unknwon/com"
 )
 
 // Repository represents a Git repository.
@@ -198,3 +201,63 @@ func MoveFile(repoPath, oldTreeName, newTreeName string) error {
 	_, err := NewCommand("mv").AddArguments(oldTreeName, newTreeName).RunInDir(repoPath)
 	return err
 }
+
+// CountObject represents repository count objects report
+type CountObject struct {
+	Count       int64
+	Size        int64
+	InPack      int64
+	Packs       int64
+	SizePack    int64
+	PrunePack   int64
+	Garbage     int64
+	SizeGarbage int64
+}
+
+const (
+	statCount        = "count: "
+	statSize         = "size: "
+	statInpack       = "in-pack: "
+	statPacks        = "packs: "
+	statSizePack     = "size-pack: "
+	statPrunePackage = "prune-package: "
+	statGarbage      = "garbage: "
+	statSizeGarbage  = "size-garbage: "
+)
+
+// GetRepoSize returns disk consumption for repo in path
+func GetRepoSize(repoPath string) (*CountObject, error) {
+	cmd := NewCommand("count-objects", "-v")
+	stdout, err := cmd.RunInDir(repoPath)
+	if err != nil {
+		return nil, err
+	}
+
+	return parseSize(stdout), nil
+}
+
+// parseSize parses the output from count-objects and return a CountObject
+func parseSize(objects string) *CountObject {
+	repoSize := new(CountObject)
+	for _, line := range strings.Split(objects, "\n") {
+		switch {
+		case strings.HasPrefix(line, statCount):
+			repoSize.Count = com.StrTo(line[7:]).MustInt64()
+		case strings.HasPrefix(line, statSize):
+			repoSize.Size = com.StrTo(line[6:]).MustInt64() * 1024
+		case strings.HasPrefix(line, statInpack):
+			repoSize.InPack = com.StrTo(line[9:]).MustInt64()
+		case strings.HasPrefix(line, statPacks):
+			repoSize.Packs = com.StrTo(line[7:]).MustInt64()
+		case strings.HasPrefix(line, statSizePack):
+			repoSize.SizePack = com.StrTo(line[11:]).MustInt64() * 1024
+		case strings.HasPrefix(line, statPrunePackage):
+			repoSize.PrunePack = com.StrTo(line[16:]).MustInt64()
+		case strings.HasPrefix(line, statGarbage):
+			repoSize.Garbage = com.StrTo(line[9:]).MustInt64()
+		case strings.HasPrefix(line, statSizeGarbage):
+			repoSize.SizeGarbage = com.StrTo(line[14:]).MustInt64() * 1024
+		}
+	}
+	return repoSize
+}

vendor/code.gitea.io/git/repo_commit.go

@@ -229,7 +229,7 @@ func (repo *Repository) FileCommitsCount(revision, file string) (int64, error) {
 
 // CommitsByFileAndRange return the commits accroding revison file and the page
 func (repo *Repository) CommitsByFileAndRange(revision, file string, page int) (*list.List, error) {
-	stdout, err := NewCommand("log", revision, "--skip="+strconv.Itoa((page-1)*50),
+	stdout, err := NewCommand("log", revision, "--follow", "--skip="+strconv.Itoa((page-1)*50),
 		"--max-count="+strconv.Itoa(CommitsRangeSize), prettyLogFormat, "--", file).RunInDirBytes(repo.Path)
 	if err != nil {
 		return nil, err