From d347208114966166ffa9655adc5b202676546c31 Mon Sep 17 00:00:00 2001
From: JakobDev <jakobdev@gmx.de>
Date: Mon, 24 Apr 2023 18:28:37 +0200
Subject: Improve External Wiki in Repo Header (#24304)

If you use a External Wiki, with Gitea, it brings currently 2 Problems
in the Header:

1. It always uses the Wiki Icon. When you use e.g. a External Issue
Tracker, it shows the External Link icon to Indicate, that the User will
send to a External Side. This helps preventing fishing.
2. If you use a External Wiki, the Link in the Header still goes to
`{repo}/wiki` which will redirect the user to the External Wiki. That
means, that if the users hovers with the Cursor over the link, it shows
`{repo}/wiki`, so the User does not know, where he will land.

This PR fixes both.


![grafik](https://user-images.githubusercontent.com/15185051/233964455-dbca9bbe-a224-44c5-b351-5649fd9b15fc.png)
---
 templates/repo/header.tmpl | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/templates/repo/header.tmpl b/templates/repo/header.tmpl
index 5f2e135b98..8a6833f499 100644
--- a/templates/repo/header.tmpl
+++ b/templates/repo/header.tmpl
@@ -215,12 +215,18 @@
 				</a>
 				{{end}}
 
-				{{if or (.Permission.CanRead $.UnitTypeWiki) (.Permission.CanRead $.UnitTypeExternalWiki)}}
-					<a class="{{if .PageIsWiki}}active {{end}}item" href="{{.RepoLink}}/wiki" {{if and (.Permission.CanRead $.UnitTypeExternalWiki) (not (StringUtils.HasPrefix ((.Repository.MustGetUnit $.Context $.UnitTypeExternalWiki).ExternalWikiConfig.ExternalWikiURL) (.Repository.Link)))}} target="_blank" rel="noopener noreferrer" {{end}}>
+				{{if .Permission.CanRead $.UnitTypeWiki}}
+					<a class="{{if .PageIsWiki}}active {{end}}item" href="{{.RepoLink}}/wiki">
 						{{svg "octicon-book"}} {{.locale.Tr "repo.wiki"}}
 					</a>
 				{{end}}
 
+				{{if .Permission.CanRead $.UnitTypeExternalWiki}}
+					<a class="item" href="{{(.Repository.MustGetUnit $.Context $.UnitTypeExternalWiki).ExternalWikiConfig.ExternalWikiURL}}" target="_blank" rel="noopener noreferrer">
+						{{svg "octicon-link-external"}} {{.locale.Tr "repo.wiki"}}
+					</a>
+				{{end}}
+
 				{{if and (.Permission.CanReadAny $.UnitTypePullRequests $.UnitTypeIssues $.UnitTypeReleases) (not .IsEmptyRepo)}}
 					<a class="{{if .PageIsActivity}}active {{end}}item" href="{{.RepoLink}}/activity">
 						{{svg "octicon-pulse"}} {{.locale.Tr "repo.activity"}}
-- 
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