t / t5100 / msg0004on commit do not write null sha1s to on-disk index (4337b58)
   1Hello.
   2
   3Try all addresses for given remote name until it succeeds.
   4Also supports IPv6.
   5
   6Signed-of-by: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
   7