From 7b7f0e3636112782a7915bb1afcc57a23c0b6092 Mon Sep 17 00:00:00 2001
From: Bryce Kwon <bryce@brycekwon.com>
Date: Fri, 16 Oct 2026 17:56:55 -1000
Subject: Lead a readme's relative links into the tree

A browser resolved them against the about page, where nothing lives
now that the page answers 404 below itself. They resolve the way
GitHub resolves a readme's links instead, from the readme's directory
and on the branch it was read from.
---
 tests/t0501-about-render.sh | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

(limited to 'tests/t0501-about-render.sh')

diff --git a/tests/t0501-about-render.sh b/tests/t0501-about-render.sh
index f870c0e..b47c11d 100755
--- a/tests/t0501-about-render.sh
+++ b/tests/t0501-about-render.sh
@@ -36,9 +36,12 @@ test_expect_success 'create a repository with a markdown readme' '
 		# The Title
 
 		A **bold** claim and a <script>alert(1)</script> attempt.
+
+		See the [roadmap](ROADMAP.md#plan).
 		EOF
 		git add README.md &&
-		git commit -m "add readme"
+		git commit -m "add readme" &&
+		git branch next
 	)
 '
 
@@ -48,7 +51,7 @@ test_expect_success 'point cgit at it through the about filter' '
 	cache-size=0
 	repo.url=md
 	repo.path=$PWD/repos/md/.git
-	repo.readme=master:README.md
+	repo.readme=:README.md
 	repo.about-filter=lua:$EXTENSIONS_DIRECTORY/about-render.lua
 	EOF
 '
@@ -78,6 +81,16 @@ test_expect_success CGIT_LUA_LPEG 'readme markup reaches the page escaped' '
 	! grep "<script>alert(1)" tmp
 '
 
+test_expect_success CGIT_LUA_LPEG 'a relative link leads into the tree' '
+	cgit_url "md/about/" >tmp &&
+	grep "<a href=./md/tree/ROADMAP.md#plan.>roadmap</a>" tmp
+'
+
+test_expect_success CGIT_LUA_LPEG 'the link stays on the branch shown' '
+	cgit_query "url=md/about/&h=next" >tmp &&
+	grep "<a href=./md/tree/ROADMAP.md?h=next#plan.>roadmap</a>" tmp
+'
+
 test_expect_success CGIT_LUA_NOLPEG 'without lpeg the readme is served escaped' '
 	cgit_url "md/about/" >tmp &&
 	grep "<pre class=.plaintext.>" tmp &&
-- 
cgit