Currently, urls of the for git://user@host don't work because user@host
is not resolving at the DNS level, but we shouldn't be relying on it
being an invalid host name, and actively reject it for containing a
username in the first place.

Signed-off-by: Mike Hommey <m...@glandium.org>
---
 connect.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/connect.c b/connect.c
index 0c4d23b..9aea3cd 100644
--- a/connect.c
+++ b/connect.c
@@ -730,6 +730,9 @@ struct child_process *git_connect(int fd[2], const char 
*url,
                const char *colon = strchr(host, ':');
                char *override_vhost = getenv("GIT_OVERRIDE_VIRTUAL_HOST");
 
+               if (user)
+                       die("user@host is not allowed in git:// urls");
+
                /* If the host contains a colon (ipv6 address), it needs to
                 * be enclosed with square brackets. */
                if (colon)
-- 
2.8.3

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