t / t5100 / msg0004on commit refs: add "for_each_ref_in" function to refactor "for_each_*_ref" functions (2a8177b)
   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