1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
package remote
import (
"bufio"
"context"
"fmt"
"strings"
"gitlab.com/gitlab-org/gitaly/v14/internal/git"
"gitlab.com/gitlab-org/gitaly/v14/internal/helper"
"gitlab.com/gitlab-org/gitaly/v14/proto/go/gitalypb"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
const headPrefix = "HEAD branch: "
func (s *server) findRemoteRootRef(ctx context.Context, request *gitalypb.FindRemoteRootRefRequest) (string, error) {
remoteName := request.Remote
var config []git.ConfigPair
if request.RemoteUrl != "" {
remoteName = "inmemory"
config = []git.ConfigPair{
{Key: "remote.inmemory.url", Value: request.RemoteUrl},
}
if authHeader := request.GetHttpAuthorizationHeader(); authHeader != "" {
config = append(config, git.ConfigPair{
Key: fmt.Sprintf("http.%s.extraHeader", request.RemoteUrl),
Value: "Authorization: " + authHeader,
})
}
}
cmd, err := s.gitCmdFactory.New(ctx, request.Repository,
git.SubSubCmd{
Name: "remote",
Action: "show",
Args: []string{remoteName},
},
git.WithRefTxHook(ctx, request.Repository, s.cfg),
git.WithConfigEnv(config...),
)
if err != nil {
return "", err
}
scanner := bufio.NewScanner(cmd)
for scanner.Scan() {
line := strings.TrimSpace(scanner.Text())
if strings.HasPrefix(line, headPrefix) {
rootRef := strings.TrimPrefix(line, headPrefix)
if rootRef == "(unknown)" {
return "", status.Error(codes.NotFound, "no remote HEAD found")
}
return rootRef, nil
}
}
if err := scanner.Err(); err != nil {
return "", err
}
if err := cmd.Wait(); err != nil {
return "", err
}
return "", status.Error(codes.NotFound, "couldn't query the remote HEAD")
}
// FindRemoteRootRef queries the remote to determine its HEAD
func (s *server) FindRemoteRootRef(ctx context.Context, in *gitalypb.FindRemoteRootRefRequest) (*gitalypb.FindRemoteRootRefResponse, error) {
//nolint:staticcheck // GetRemote() is deprecated
if in.GetRemote() == "" && in.GetRemoteUrl() == "" {
return nil, status.Error(codes.InvalidArgument, "got neither remote name nor URL")
}
//nolint:staticcheck // GetRemote() is deprecated
if in.GetRemote() != "" && in.GetRemoteUrl() != "" {
return nil, status.Error(codes.InvalidArgument, "got remote name and URL")
}
if in.Repository == nil {
return nil, status.Error(codes.InvalidArgument, "missing repository")
}
ref, err := s.findRemoteRootRef(ctx, in)
if err != nil {
return nil, helper.ErrInternal(err)
}
return &gitalypb.FindRemoteRootRefResponse{Ref: ref}, nil
}
|