Jeff King a1dfa5448d diff: teach tree-diff a max-depth parameter ...

When you are doing a tree-diff, there are basically two options: do not
recurse into subtrees at all, or recurse indefinitely. While most
callers would want to always recurse and see full pathnames, some may
want the efficiency of looking only at a particular level of the tree.
This is currently easy to do for the top-level (just turn off
recursion), but you cannot say "show me what changed in subdir/, but do
not recurse".

This patch adds a max-depth parameter which is measured from the closest
pathspec match, so that you can do:

  git log --raw --max-depth=1 -- a/b/c

and see the raw output for a/b/c/, but not those of a/b/c/d/
(instead of the raw output you would see for a/b/c/d).

Co-authored-by: Toon Claes <toon@iotcl.com>
Signed-off-by: Toon Claes <toon@iotcl.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2025-08-07 15:29:35 -07:00

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