[RFC/PATCH 0/2] Fix "git reset" on unborn branch

I decided to address this before "cherry-pick on unborn branch". RFC mostly because I'm not sure about the user interface. When we have agreed on that, I will add documentation.

Martin von Zweigbergk (2):
  reset: learn to reset to tree
  reset: learn to reset on unborn branch

 builtin/reset.c                     | 73 ++++++++++++++++++++++---------------
 t/t1512-rev-parse-disambiguation.sh |  4 --
 t/t7102-reset.sh                    | 26 +++++++++++++
 t/t7106-reset-unborn-branch.sh      | 52 ++++++++++++++++++++++++++
 4 files changed, 122 insertions(+), 33 deletions(-)
 create mode 100755 t/t7106-reset-unborn-branch.sh