[PATCH 0/5] Revamping "git status"

The first two patches in this series are a small bugfix and an internal
clean-up for the underlying "diff-index" engine used by "git status" when
it inspects how the index differs from the HEAD commit.

The third one separates the logic to inspect the changes in the index and
the work tree from the code to show the result in "git status" command, so
that collected data can be presented in different formats more easily.
It is roughly based on an old patch of mine from October last year, but it
collects a bit more detail on conflicted paths.

The fourth one changes the output from the "git status" command when
unmerged paths are present.  We now have a separate "Unmerged paths"
section at the beginning and describe the nature of the conflict in more
detail.

The last one is a bit iffy, but shows how the new infrastructure can be
used to present the "git status" output in a more succinct and machine
readble format.

Junio C Hamano (5):
  diff-index: report unmerged new entries
  diff-index: keep the original index intact
  wt-status.c: rework the way changes to the index and work tree are
    summarized
  status: show worktree status of conflicted paths separately
  shortstatus: a new command

 Makefile            |    1 +
 builtin-commit.c    |  107 +++++++++++++++++-
 builtin.h           |    1 +
 diff-lib.c          |   22 +----
 git.c               |    1 +
 t/t7060-wtstatus.sh |   31 +++++
 wt-status.c         |  314 +++++++++++++++++++++++++++++++++++++++++++--------
 wt-status.h         |   11 ++
 8 files changed, 418 insertions(+), 70 deletions(-)
 create mode 100755 t/t7060-wtstatus.sh