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package commit
import (
"bytes"
"context"
"fmt"
"io/ioutil"
"strconv"
"time"
grpc_logrus "github.com/grpc-ecosystem/go-grpc-middleware/logging/logrus"
"gitlab.com/gitlab-org/gitaly/internal/git"
"gitlab.com/gitlab-org/gitaly/proto/go/gitalypb"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func (s *server) CountCommits(ctx context.Context, in *gitalypb.CountCommitsRequest) (*gitalypb.CountCommitsResponse, error) {
if err := validateCountCommitsRequest(in); err != nil {
return nil, status.Errorf(codes.InvalidArgument, "CountCommits: %v", err)
}
cmdArgs := []string{"rev-list", "--count"}
if in.GetAll() {
cmdArgs = append(cmdArgs, "--all")
} else {
cmdArgs = append(cmdArgs, string(in.GetRevision()))
}
if before := in.GetBefore(); before != nil {
cmdArgs = append(cmdArgs, "--before="+timestampToRFC3339(before.Seconds))
}
if after := in.GetAfter(); after != nil {
cmdArgs = append(cmdArgs, "--after="+timestampToRFC3339(after.Seconds))
}
if maxCount := in.GetMaxCount(); maxCount != 0 {
cmdArgs = append(cmdArgs, fmt.Sprintf("--max-count=%d", maxCount))
}
if path := in.GetPath(); path != nil {
cmdArgs = append(cmdArgs, "--", string(path))
}
cmd, err := git.Command(ctx, in.Repository, cmdArgs...)
if err != nil {
if _, ok := status.FromError(err); ok {
return nil, err
}
return nil, status.Errorf(codes.Internal, "CountCommits: cmd: %v", err)
}
var count int64
countStr, readAllErr := ioutil.ReadAll(cmd)
if readAllErr != nil {
grpc_logrus.Extract(ctx).WithError(err).Info("ignoring git rev-list error")
}
if err := cmd.Wait(); err != nil {
grpc_logrus.Extract(ctx).WithError(err).Info("ignoring git rev-list error")
count = 0
} else if readAllErr == nil {
var err error
countStr = bytes.TrimSpace(countStr)
count, err = strconv.ParseInt(string(countStr), 10, 0)
if err != nil {
return nil, status.Errorf(codes.Internal, "CountCommits: parse count: %v", err)
}
}
return &gitalypb.CountCommitsResponse{Count: int32(count)}, nil
}
func validateCountCommitsRequest(in *gitalypb.CountCommitsRequest) error {
if err := git.ValidateRevisionAllowEmpty(in.Revision); err != nil {
return err
}
if len(in.GetRevision()) == 0 && !in.GetAll() {
return fmt.Errorf("empty Revision and false All")
}
return nil
}
func timestampToRFC3339(ts int64) string {
return time.Unix(ts, 0).Format(time.RFC3339)
}
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