Jeff King a5c4e31af9 tree-diff: drop list-tail argument to diff_tree_paths() ...

The internals of the path diffing code, including ll_diff_tree_paths(),
all take an extra combine_diff_path parameter which they use as the tail
of a list of results, appending any new entries to it.

The public-facing diff_tree_paths() takes the same argument, but it just
makes the callers more awkward. They always start with a clean list, and
have to set up a fake head struct to pass in.

Let's keep the public API clean by always returning a new list. That
keeps the fake struct as an implementation detail of tree-diff.c.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2025-01-09 12:24:26 -08:00

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