[PATCH v6 0/4] Add --base option to git-format-patch to record base tree info

Thanks for Junio's reviews and suggestions.

This version contains the following changes since v5:

 - Fix a decl-after-statement in patch 3/4.

 - Improve testcases to cover more scenarios and make them more portable and
   readable.

Thanks, Xiaolong

Xiaolong Ye (4):
  patch-ids: make commit_patch_id() a public helper function
  format-patch: add '--base' option to record base tree info
  format-patch: introduce --base=auto option
  format-patch: introduce format.useAutoBase configuration

 Documentation/config.txt           |   5 ++
 Documentation/git-format-patch.txt |  60 +++++++++++++
 builtin/log.c                      | 168 +++++++++++++++++++++++++++++++++++++
 patch-ids.c                        |   2 +-
 patch-ids.h                        |   2 +
 t/t4014-format-patch.sh            | 105 +++++++++++++++++++++++
 6 files changed, 341 insertions(+), 1 deletion(-)