From 439ace607d23e91da4b39a389730ab8a01c4eb56 Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Sat, 18 Jun 2022 19:08:34 +0200
Subject: [PATCH] Return 404 when tag is broken (#20017)

Fixes #19979
---
 modules/context/repo.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/context/repo.go b/modules/context/repo.go
index 8e75ad07d..217cbd3df 100644
--- a/modules/context/repo.go
+++ b/modules/context/repo.go
@@ -942,6 +942,10 @@ func RepoRefByType(refType RepoRefType, ignoreNotExistErr ...bool) func(*Context
 
 				ctx.Repo.Commit, err = ctx.Repo.GitRepo.GetTagCommit(refName)
 				if err != nil {
+					if git.IsErrNotExist(err) {
+						ctx.NotFound("GetTagCommit", err)
+						return
+					}
 					ctx.ServerError("GetTagCommit", err)
 					return
 				}