[PATCH v2 00/11] sha1_name: improvements

Hi,

While trying to add support for the @ shortcut lots of cleanups arised. Here they are in a single series.

Felipe Contreras (7):
  tests: at-combinations: simplify setup
  tests: at-combinations: check ref names directly
  tests: at-combinations: improve nonsense()
  sha1_name: remove no-op
  sha1_name: remove unnecessary braces
  sha1_name: avoid Yoda conditions
  sha1_name: reorganize get_sha1_basic()

Ramkumar Ramachandra (4):
  tests: at-combinations: increase coverage
  tests: at-combinations: @{N} versus HEAD@{N}
  sha1_name: don't waste cycles in the @-parsing loop
  sha1_name: check @{-N} errors sooner

 sha1_name.c                | 42 +++++++++++++++++++---------------
 t/t1508-at-combinations.sh | 56 +++++++++++++++++++++++++++++++++-------------
 2 files changed, 64 insertions(+), 34 deletions(-)