http: fix non-sense `NotFound` call (#7003)

CHANGELOG.md

@@ -24,6 +24,7 @@ All notable changes to Gogs are documented in this file.
 
 - Unable to use LDAP authentication on ARM machines. [#6761](https://github.com/gogs/gogs/issues/6761)
 - Unable to init repository during creation on Windows. [#6967](https://github.com/gogs/gogs/issues/6967)
+- Mysterious panic on `Value not found for type *repo.HTTPContext`. [#6963](https://github.com/gogs/gogs/issues/6963)
 
 ### Removed
 

internal/route/repo/http.go

@@ -100,7 +100,7 @@ func HTTPContexter() macaron.Handler {
 			!strings.Contains(action, "info/") &&
 			!strings.Contains(action, "HEAD") &&
 			!strings.Contains(action, "objects/") {
-			c.NotFound()
+			c.Error(http.StatusBadRequest, fmt.Sprintf("Unrecognized action %q", action))
 			return
 		}