tangled.org
Monorepo for Tangled
tangled.org
knotserver/{git,xrpc}: last commit for specific file path
RepoBlob now also includes the last commit for the blob.
Signed-off-by: Anirudh Oppiliappan <anirudh@tangled.org>
anirudh.fi
+61
+36
knotserver/git/last_commit.go
+36
knotserver/git/last_commit.go
···
14
14
"github.com/dgraph-io/ristretto"
15
15
"github.com/go-git/go-git/v5/plumbing"
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16
"github.com/go-git/go-git/v5/plumbing/object"
17
+
"tangled.org/core/types"
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18
)
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19
20
var (
···
185
186
}
186
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return ancestors
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}
189
+
190
+
// GetLastCommitForPath returns the last commit information for a specific file path
191
+
func (g *GitRepo) GetLastCommitForPath(ctx context.Context, filePath string) (*types.LastCommitInfo, error) {
192
+
c, err := g.r.CommitObject(g.h)
193
+
if err != nil {
194
+
return nil, fmt.Errorf("commit object: %w", err)
195
+
}
196
+
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+
tree, err := c.Tree()
198
+
if err != nil {
199
+
return nil, fmt.Errorf("file tree: %w", err)
200
+
}
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+
202
+
// parent directory for calculateCommitTime
203
+
parent := path.Dir(filePath)
204
+
if parent == "." {
205
+
parent = ""
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+
}
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+
208
+
times, err := g.calculateCommitTimeIn(ctx, tree, parent, 2*time.Second)
209
+
if err != nil {
210
+
return nil, fmt.Errorf("calculate commit time: %w", err)
211
+
}
212
+
213
+
commitInfo, ok := times[filePath]
214
+
if !ok {
215
+
return nil, fmt.Errorf("no commit found for path: %s", filePath)
216
+
}
217
+
218
+
return &types.LastCommitInfo{
219
+
Hash: commitInfo.hash,
220
+
Message: commitInfo.message,
221
+
When: commitInfo.when,
222
+
}, nil
223
+
}
+25
knotserver/xrpc/repo_blob.go
+25
knotserver/xrpc/repo_blob.go
···
1
1
package xrpc
2
2
3
3
import (
4
+
"context"
4
5
"crypto/sha256"
5
6
"encoding/base64"
6
7
"fmt"
···
8
9
"path/filepath"
9
10
"slices"
10
11
"strings"
12
+
"time"
11
13
12
14
"tangled.org/core/api/tangled"
13
15
"tangled.org/core/knotserver/git"
···
140
142
141
143
if mimeType != "" {
142
144
response.MimeType = &mimeType
145
+
}
146
+
147
+
ctx, cancel := context.WithTimeout(r.Context(), 2*time.Second)
148
+
defer cancel()
149
+
150
+
lastCommit, err := gr.GetLastCommitForPath(ctx, treePath)
151
+
if err == nil && lastCommit != nil {
152
+
shortHash := lastCommit.Hash.String()[:8]
153
+
response.LastCommit = &tangled.RepoBlob_LastCommit{
154
+
Hash: lastCommit.Hash.String(),
155
+
ShortHash: &shortHash,
156
+
Message: lastCommit.Message,
157
+
When: lastCommit.When.Format(time.RFC3339),
158
+
}
159
+
160
+
// try to get author information
161
+
commit, err := gr.Commit(lastCommit.Hash)
162
+
if err == nil {
163
+
response.LastCommit.Author = &tangled.RepoBlob_Signature{
164
+
Name: commit.Author.Name,
165
+
Email: commit.Author.Email,
166
+
}
167
+
}
143
168
}
144
169
145
170
writeJson(w, response)