Fix host redirect handling

If you try to clone from a url that redirects to another host
e.g. `example.com/repo` -> `github.com/org/repo.git`,
it results in a redirect to `example.com/org/repo.git`
because ModifyEndpointIfRedirect only takes into account the scheme and path.

Signed-off-by: DisposaBoy <[email protected]>

Author: DisposaBoy

plumbing/transport/http/common.go

@@ -152,6 +152,8 @@ func (s *session) ModifyEndpointIfRedirect(res *http.Response) {
 	}
 
 	s.endpoint.Protocol = r.URL.Scheme
+	s.endpoint.Host = r.URL.Hostname()
+	s.endpoint.Port, _ = strconv.Atoi(r.URL.Port())
 	s.endpoint.Path = r.URL.Path[:len(r.URL.Path)-len(infoRefsPath)]
 }