web frontend for git repositories, written in Go
git.pocka.jp/legit.git
Fix relative links in README markdown fails to resolve
Shota FUJI
(Oct 23, 2025, 9:01 PM +0900)
9eb33dfd
4efb241d
+50
-8
+50
-8
routes/routes.go
+50
-8
routes/routes.go
···
1
1
package routes
2
2
3
3
import (
4
+
"bytes"
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5
"compress/gzip"
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6
"fmt"
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7
"html/template"
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"log"
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9
"net/http"
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+
"net/url"
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11
"os"
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12
"path/filepath"
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"sort"
···
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117
return
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}
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119
120
+
mainBranch, err := gr.FindMainBranch(d.c.Repo.MainBranch)
121
+
if err != nil {
122
+
d.Write500(w)
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+
log.Println(err)
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+
return
125
+
}
126
+
118
127
var readmeContent template.HTML
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128
for _, readme := range d.c.Repo.Readme {
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129
ext := filepath.Ext(readme)
···
122
131
if len(content) > 0 {
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132
switch ext {
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133
case ".md", ".mkd", ".markdown":
134
+
parser := blackfriday.New(blackfriday.WithExtensions(blackfriday.CommonExtensions))
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+
tree := parser.Parse([]byte(content))
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+
tree.Walk(func(node *blackfriday.Node, entering bool) blackfriday.WalkStatus {
137
+
if !entering {
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+
return blackfriday.GoToNext
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+
}
140
+
141
+
if node.Type == blackfriday.Link {
142
+
href := string(node.LinkData.Destination)
143
+
parsedURL, err := url.Parse(href)
144
+
if err == nil && parsedURL.Host != "" {
145
+
// Full URL, skip.
146
+
return blackfriday.GoToNext
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+
}
148
+
149
+
if strings.IndexByte(href, '/') == 0 {
150
+
// Repository index page is the "root" for repository's README file.
151
+
href = "." + href
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+
}
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+
154
+
if strings.LastIndexByte(href, '/') == len(href)-1 {
155
+
node.LinkData.Destination = fmt.Appendf([]byte{}, "/%s/tree/%s/%s", name, mainBranch, href)
156
+
node.LinkData.Destination = node.LinkData.Destination[:len(node.LinkData.Destination)-1]
157
+
} else {
158
+
node.LinkData.Destination = fmt.Appendf([]byte{}, "/%s/blob/%s/%s", name, mainBranch, href)
159
+
}
160
+
161
+
}
162
+
163
+
return blackfriday.GoToNext
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+
})
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+
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+
var writer bytes.Buffer
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+
renderer := blackfriday.NewHTMLRenderer(blackfriday.HTMLRendererParameters{})
168
+
renderer.RenderHeader(&writer, tree)
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+
tree.Walk(func(node *blackfriday.Node, entering bool) blackfriday.WalkStatus {
170
+
return renderer.RenderNode(&writer, node, entering)
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+
})
172
+
renderer.RenderFooter(&writer, tree)
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+
125
174
unsafe := blackfriday.Run(
126
-
[]byte(content),
175
+
writer.Bytes(),
127
176
blackfriday.WithExtensions(blackfriday.CommonExtensions),
128
177
)
129
178
html := bluemonday.UGCPolicy().SanitizeBytes(unsafe)
···
140
189
141
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if readmeContent == "" {
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191
log.Printf("no readme found for %s", name)
143
-
}
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-
145
-
mainBranch, err := gr.FindMainBranch(d.c.Repo.MainBranch)
146
-
if err != nil {
147
-
d.Write500(w)
148
-
log.Println(err)
149
-
return
150
192
}
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193
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194
tpath := filepath.Join(d.c.Dirs.Templates, "*")