[PATCH 0/4] cleanups surrounding branch

On the process of making 'git' give more useful error messages when trying to rename a branch[0], I found a few things that could be cleaned up. After noticing that the cleanup commits exceeded the commits that are related to the series, I thought it would be better to separate the cleanups into an independent series to keep that topic focused on improving the error messages.

1/4 and 2/4 were part of that series until v3. The others are new cleanups.

This series goes on top of 'master' and can be found in my fork as branch 'work/branch-cleanups'[1].

Note: 1/4 might possibly have some conflicts with jc/branch-name-sanity

Footnotes:

[0]: cf. <20171102065407.25404-1-kaartic.sivaraam@gmail.com>

[1]: https://github.com/sivaraam/git/tree/work/branch-cleanups

Kaartic Sivaraam (4):
  branch: improve documentation and naming of create_branch() parameters
  branch: group related arguments of create_branch()
  branch: update warning message shown when copying a misnamed branch
  builtin/branch: strip refs/heads/ using skip_prefix

 branch.c           |  4 ++--
 branch.h           | 10 ++++++++--
 builtin/branch.c   | 20 +++++++++++++-------
 builtin/checkout.c |  2 +-
 4 files changed, 24 insertions(+), 12 deletions(-)