[PATCH v2 0/4] add git-check-mailmap command

This is a re-roll of [1] which introduces git-check-mailmap. The primary motivation for this command is to expose git's stable, well-tested C-implementation of .mailmap functionality to scripts and porcelains, thus relieving them of the need to reimplement support themselves. The git-contacts [2] script (currently at es/contacts in 'pu') would be one such client. v2 removes the RFC status and addresses comments from reviewers [1].

Changes since v1:

* Add Documentation/git-check-mailmap.txt.

* Add --null alias for -z.

* Use OPT_BOOL rather than deprecated OPT_BOOLEAN.

* Simplify code which outputs normalized contact.

* Settle on "stdout" as argument to maybe_flush_or_die().

* Eliminate diff noise from patch 4/4.

[1]: http://thread.gmane.org/gmane.comp.version-control.git/230068/ [2]: http://thread.gmane.org/gmane.comp.version-control.git/229533/

Eric Sunshine (4):
  builtin: add git-check-mailmap command
  t4203: test check-mailmap command invocation
  t4203: test mailmap functionality directly rather than indirectly
  t4203: consolidate test-repository setup

 .gitignore                             |   1 +
 Documentation/git-check-mailmap.txt    |  55 ++++++++
 Makefile                               |   1 +
 builtin.h                              |   1 +
 builtin/check-mailmap.c                |  69 ++++++++++
 command-list.txt                       |   1 +
 contrib/completion/git-completion.bash |   1 +
 git.c                                  |   1 +
 t/t4203-mailmap.sh                     | 234 +++++++++++++++++----------------
 9 files changed, 251 insertions(+), 113 deletions(-)
 create mode 100644 Documentation/git-check-mailmap.txt
 create mode 100644 builtin/check-mailmap.c