[PATCH 0/3] commit -a -m: allow the top-level tree to become empty again

["Johannes Schindelin via GitGitGadget" <gitgitgadget@gmail.com>]

This patch series is in response to the bug report in
https://github.com/git-for-windows/git/issues/4462 that demonstrates that
git commit -a -m <msg> would no longer always stage all updates to tracked
files. The bug has been introduced in Git v2.40.0.

Johannes Schindelin (3):
  do_read_index(): always mark index as initialized unless erroring out
  split-index: accept that a base index can be empty
  commit -a -m: allow the top-level tree to become empty again

 builtin/commit.c      |  7 ++-----
 read-cache.c          | 15 +++++++++------
 t/t2200-add-update.sh | 11 +++++++++++
 3 files changed, 22 insertions(+), 11 deletions(-)


base-commit: a9e066fa63149291a55f383cfa113d8bdbdaa6b3
Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-1554%2Fdscho%2Ffix-git-commit-a-m-when-tree-becomes-empty-v1
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-1554/dscho/fix-git-commit-a-m-when-tree-becomes-empty-v1
Pull-Request: https://github.com/gitgitgadget/git/pull/1554
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