From 8766f65addcce5fcfafc915edc3d299f7e2b96fa Mon Sep 17 00:00:00 2001
From: Giteabot <teabot@gitea.io>
Date: Thu, 25 Jan 2024 17:40:29 +0800
Subject: [PATCH] Respect branch info for relative links (#28909) (#28922)

Backport #28909 by @KN4CK3R

Fix #28904

Co-authored-by: KN4CK3R <admin@oldschoolhack.me>
---
 modules/markup/markdown/goldmark.go      | 2 ++
 modules/markup/markdown/markdown_test.go | 4 ++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/modules/markup/markdown/goldmark.go b/modules/markup/markdown/goldmark.go
index b92b90561b990..1db3cbad7e1b0 100644
--- a/modules/markup/markdown/goldmark.go
+++ b/modules/markup/markdown/goldmark.go
@@ -137,6 +137,8 @@ func (g *ASTTransformer) Transform(node *ast.Document, reader text.Reader, pc pa
 				var base string
 				if ctx.IsWiki {
 					base = ctx.Links.WikiLink()
+				} else if ctx.Links.HasBranchInfo() {
+					base = ctx.Links.SrcLink()
 				} else {
 					base = ctx.Links.Base
 				}
diff --git a/modules/markup/markdown/markdown_test.go b/modules/markup/markdown/markdown_test.go
index 6f2bbae6e0c16..5216d1973cf58 100644
--- a/modules/markup/markdown/markdown_test.go
+++ b/modules/markup/markdown/markdown_test.go
@@ -765,7 +765,7 @@ space</p>
 			Expected: `<p>space @mention-user<br/>
 /just/a/path.bin<br/>
 <a href="https://example.com/file.bin" rel="nofollow">https://example.com/file.bin</a><br/>
-<a href="/user/repo/file.bin" rel="nofollow">local link</a><br/>
+<a href="/user/repo/src/branch/main/file.bin" rel="nofollow">local link</a><br/>
 <a href="https://example.com" rel="nofollow">remote link</a><br/>
 <a href="/user/repo/src/branch/main/file.bin" rel="nofollow">local link</a><br/>
 <a href="https://example.com" rel="nofollow">remote link</a><br/>
@@ -878,7 +878,7 @@ space</p>
 			Expected: `<p>space @mention-user<br/>
 /just/a/path.bin<br/>
 <a href="https://example.com/file.bin" rel="nofollow">https://example.com/file.bin</a><br/>
-<a href="/user/repo/file.bin" rel="nofollow">local link</a><br/>
+<a href="/user/repo/src/branch/main/sub/folder/file.bin" rel="nofollow">local link</a><br/>
 <a href="https://example.com" rel="nofollow">remote link</a><br/>
 <a href="/user/repo/src/branch/main/sub/folder/file.bin" rel="nofollow">local link</a><br/>
 <a href="https://example.com" rel="nofollow">remote link</a><br/>