SZEDER Gábor 35a9f1e99c tree-walk.c: don't match submodule entries for 'submod/anything' ...

Submodules should be handled the same as regular directories with
respect to the presence of a trailing slash, i.e. commands like:

  git diff rev1 rev2 -- $path
  git rev-list HEAD -- $path

should produce the same output whether $path is 'submod' or 'submod/'.
This has been fixed in commit 74b4f7f277 (tree-walk.c: ignore trailing
slash on submodule in tree_entry_interesting(), 2014-01-23).

Unfortunately, that commit had the unintended side effect to handle
'submod/anything' the same as 'submod' and 'submod/' as well, e.g.:

  $ git log --oneline --name-only -- sha1collisiondetection/whatever
  4125f78222 sha1dc: update from upstream
  sha1collisiondetection
  07a20f569b Makefile: fix unaligned loads in sha1dc with UBSan
  sha1collisiondetection
  23e37f8e9d sha1dc: update from upstream
  sha1collisiondetection
  86cfd61e6b sha1dc: optionally use sha1collisiondetection as a submodule
  sha1collisiondetection

Fix this by rejecting submodules as partial pathnames when their
trailing slash is followed by anything.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2020-06-08 12:28:48 -07:00

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