From df6a8bc26c2184c6e05e7d8e907bfe0dfe00e0ac Mon Sep 17 00:00:00 2001
From: 6543 <6543@obermui.de>
Date: Thu, 22 Apr 2021 23:25:32 +0200
Subject: [PATCH 1/3] Fix go-fuzz

followup of https://github.com/go-gitea/gitea/pull/15175
---
 tools/fuzz.go | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/tools/fuzz.go b/tools/fuzz.go
index 6ed1b40003d8c..19c5cd60816e0 100644
--- a/tools/fuzz.go
+++ b/tools/fuzz.go
@@ -7,6 +7,9 @@
 package fuzz
 
 import (
+	"bytes"
+	"io"
+
 	"code.gitea.io/gitea/modules/markup"
 	"code.gitea.io/gitea/modules/markup/markdown"
 )
@@ -18,17 +21,24 @@ import (
 // (for example, the input is lexically correct and was parsed successfully).
 // -1 if the input must not be added to corpus even if gives new coverage and 0 otherwise.
 
+var (
+	renderContext = markup.RenderContext{
+		URLPrefix: "https://example.com",
+		Metas: map[string]string{
+			"user": "go-gitea",
+			"repo": "gitea",
+		},
+	}
+	discardWriter = io.Discard
+)
+
 func FuzzMarkdownRenderRaw(data []byte) int {
-	_ = markdown.RenderRaw(data, "", false)
+	_ = markdown.RenderRaw(&renderContext, bytes.NewReader(data), discardWriter)
 	return 1
 }
 
 func FuzzMarkupPostProcess(data []byte) int {
-	var localMetas = map[string]string{
-		"user": "go-gitea",
-		"repo": "gitea",
-	}
-	_, err := markup.PostProcess(data, "https://example.com", localMetas, false)
+	err := markup.PostProcess(&renderContext, bytes.NewReader(data), discardWriter)
 	if err != nil {
 		return 0
 	}

From b5410c1a0678152fcf9e8777d5f4d8c9309d5f31 Mon Sep 17 00:00:00 2001
From: 6543 <6543@obermui.de>
Date: Thu, 22 Apr 2021 23:27:20 +0200
Subject: [PATCH 2/3] simplify

---
 tools/fuzz.go | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/tools/fuzz.go b/tools/fuzz.go
index 19c5cd60816e0..761b7f1778d28 100644
--- a/tools/fuzz.go
+++ b/tools/fuzz.go
@@ -29,16 +29,15 @@ var (
 			"repo": "gitea",
 		},
 	}
-	discardWriter = io.Discard
 )
 
 func FuzzMarkdownRenderRaw(data []byte) int {
-	_ = markdown.RenderRaw(&renderContext, bytes.NewReader(data), discardWriter)
+	_ = markdown.RenderRaw(&renderContext, bytes.NewReader(data), io.Discard)
 	return 1
 }
 
 func FuzzMarkupPostProcess(data []byte) int {
-	err := markup.PostProcess(&renderContext, bytes.NewReader(data), discardWriter)
+	err := markup.PostProcess(&renderContext, bytes.NewReader(data), io.Discard)
 	if err != nil {
 		return 0
 	}

From 18e488944012de031ef76edbfb04618949325da6 Mon Sep 17 00:00:00 2001
From: 6543 <6543@obermui.de>
Date: Thu, 22 Apr 2021 23:29:16 +0200
Subject: [PATCH 3/3] enhance

---
 tools/fuzz.go | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/fuzz.go b/tools/fuzz.go
index 761b7f1778d28..4b5b72d1d0d52 100644
--- a/tools/fuzz.go
+++ b/tools/fuzz.go
@@ -32,7 +32,10 @@ var (
 )
 
 func FuzzMarkdownRenderRaw(data []byte) int {
-	_ = markdown.RenderRaw(&renderContext, bytes.NewReader(data), io.Discard)
+	err := markdown.RenderRaw(&renderContext, bytes.NewReader(data), io.Discard)
+	if err != nil {
+		return 0
+	}
 	return 1
 }