tangled.org
Monorepo for Tangled
tangled.org
knotmirror/xrpc,types: include total branch/tag counts on response
Signed-off-by: Seongmin Lee <git@boltless.me>
author
Seongmin Lee
committer
Tangled
date
(Jul 21, 2026, 5:47 PM +0300)
commit
81105734
811057343649db584e1c0edf23dba41ff144eb6c
parent
13d8cece
13d8ceceec456827c37a21e6fb103d7d49890181
change-id
pkmzrvtz
pkmzrvtzrruuwnmqlzovzqptlqlvkvln
+142
-12
+113
-9
knotmirror/xrpc/git_list_branches.go
+113
-9
knotmirror/xrpc/git_list_branches.go
···
1
1
package xrpc
2
2
3
3
import (
4
+
"bytes"
4
5
"context"
5
6
"fmt"
7
+
"io"
6
8
"net/http"
7
9
"os"
10
+
"os/exec"
8
11
"path/filepath"
9
12
"strconv"
13
+
"strings"
10
14
11
15
"github.com/bluesky-social/indigo/atproto/atclient"
12
16
"github.com/bluesky-social/indigo/atproto/syntax"
13
-
"tangled.org/core/knotserver/git"
17
+
"github.com/go-git/go-git/v5/plumbing"
18
+
"tangled.org/core/knotmirror/xrpc/gitea"
14
19
"tangled.org/core/types"
15
20
)
21
+
22
+
const fieldSeparator = "\x1f" // ASCII Unit Separator
16
23
17
24
func (x *Xrpc) ListBranches(w http.ResponseWriter, r *http.Request) {
18
25
var (
···
63
70
return nil, fmt.Errorf("resolving repo did: %w", err)
64
71
}
65
72
66
-
gr, err := git.PlainOpen(repoPath)
67
-
if err != nil {
68
-
return nil, fmt.Errorf("opening git repo: %w", err)
73
+
// ignore error: an empty default branch just means nothing is marked default
74
+
defaultBranch := func(repoPath string) string {
75
+
out, err := exec.Command("git", "-C", repoPath, "rev-parse", "--abbrev-ref", "HEAD").Output()
76
+
if err != nil {
77
+
return ""
78
+
}
79
+
return string(bytes.TrimSpace(out))
80
+
}(repoPath)
81
+
82
+
// -> [](name, oid)
83
+
type branchRef struct {
84
+
name string
85
+
oid string
69
86
}
87
+
refs, err := func(repoPath string) ([]branchRef, error) {
88
+
out, err := exec.Command(
89
+
"git",
90
+
"-C", repoPath,
91
+
"for-each-ref",
92
+
"--format=%(refname:short)"+fieldSeparator+"%(objectname)",
93
+
"--sort=-creatordate",
94
+
// for-each-ref has no skip flag, so fetch offset+limit and slice below
95
+
fmt.Sprintf("--count=%d", cursor+int64(limit)),
96
+
"refs/heads",
97
+
).Output()
98
+
if err != nil {
99
+
return nil, err
100
+
}
70
101
71
-
branches, err := gr.Branches(&git.BranchesOptions{
72
-
Limit: limit,
73
-
Offset: int(cursor),
74
-
})
102
+
out = bytes.TrimSpace(out)
103
+
if len(out) == 0 {
104
+
return nil, nil
105
+
}
106
+
lines := strings.Split(string(out), "\n")
107
+
if int(cursor) >= len(lines) {
108
+
return nil, nil
109
+
}
110
+
lines = lines[cursor:]
111
+
112
+
refs := make([]branchRef, 0, len(lines))
113
+
for _, line := range lines {
114
+
name, oid, ok := strings.Cut(line, fieldSeparator)
115
+
if !ok {
116
+
continue
117
+
}
118
+
refs = append(refs, branchRef{name: name, oid: oid})
119
+
}
120
+
return refs, nil
121
+
}(repoPath)
75
122
if err != nil {
76
123
return nil, fmt.Errorf("listing git branches: %w", err)
77
124
}
78
125
126
+
// hydrate each ref's commit
127
+
branches, err := func(repoPath string, refs []branchRef) ([]types.Branch, error) {
128
+
bw, br, cancel := gitea.CatFileBatch(ctx, repoPath)
129
+
defer cancel()
130
+
branches := make([]types.Branch, 0, len(refs))
131
+
for _, ref := range refs {
132
+
if _, err := bw.Write([]byte(ref.oid + "\n")); err != nil {
133
+
return nil, err
134
+
}
135
+
_, typ, size, err := gitea.ReadBatchLine(br)
136
+
if err != nil {
137
+
return nil, err
138
+
}
139
+
if typ != "commit" {
140
+
if err := gitea.DiscardFull(br, size+1); err != nil {
141
+
return nil, err
142
+
}
143
+
return nil, fmt.Errorf("unexpected type: %s for commit id: %s", typ, ref.oid)
144
+
}
145
+
c, err := gitea.ReadCommit(plumbing.NewHash(ref.oid), io.LimitReader(br, size))
146
+
if err != nil {
147
+
return nil, err
148
+
}
149
+
if _, err := br.Discard(1); err != nil {
150
+
return nil, err
151
+
}
152
+
branches = append(branches, types.Branch{
153
+
IsDefault: ref.name == defaultBranch,
154
+
Reference: types.Reference{
155
+
Name: ref.name,
156
+
Hash: ref.oid,
157
+
},
158
+
Commit: c,
159
+
})
160
+
}
161
+
return branches, nil
162
+
}(repoPath, refs)
163
+
if err != nil {
164
+
return nil, fmt.Errorf("hydrating branch commits: %w", err)
165
+
}
166
+
167
+
// -> total
168
+
total, err := func(repoPath string) (int, error) {
169
+
out, err := exec.Command("git", "-C", repoPath, "for-each-ref", "--format=%(refname)", "refs/heads").Output()
170
+
if err != nil {
171
+
return 0, err
172
+
}
173
+
out = bytes.TrimSpace(out)
174
+
if len(out) == 0 {
175
+
return 0, nil
176
+
}
177
+
return bytes.Count(out, []byte{'\n'}) + 1, nil
178
+
}(repoPath)
179
+
if err != nil {
180
+
return nil, fmt.Errorf("counting git branches: %w", err)
181
+
}
182
+
79
183
return &types.RepoBranchesResponse{
80
-
// TODO: include default branch and cursor
81
184
Branches: branches,
185
+
Total: total,
82
186
}, nil
83
187
}
84
188
+3
knotmirror/xrpc/git_list_commits.go
+3
knotmirror/xrpc/git_list_commits.go
···
110
110
return nil, fmt.Errorf("unexpected type: %s for commit id: %s", typ, commitId)
111
111
}
112
112
c, err := gitea.ReadCommit(plumbing.NewHash(string(commitId)), io.LimitReader(br, size))
113
+
if err != nil {
114
+
return nil, err
115
+
}
113
116
if _, err := br.Discard(1); err != nil {
114
117
return nil, err
115
118
}
+5
-1
types/repo.go
+5
-1
types/repo.go
···
13
13
Commits []Commit
14
14
Files []NiceTree
15
15
Branches []Branch
16
+
TotalBranches int
16
17
Tags []*TagReference
18
+
TotalTags int
17
19
TotalCommits int
18
20
}
19
21
···
56
58
}
57
59
58
60
type RepoTagsResponse struct {
59
-
Tags []*TagReference `json:"tags,omitempty"`
61
+
Tags []*TagReference `json:"tags,omitempty"`
62
+
Total int `json:"total,omitempty"`
60
63
}
61
64
62
65
type RepoTagResponse struct {
···
65
68
66
69
type RepoBranchesResponse struct {
67
70
Branches []Branch `json:"branches,omitempty"`
71
+
Total int `json:"total,omitempty"`
68
72
}
69
73
70
74
type RepoBranchResponse struct {