Christian Couder cb034c020a commit: refactor verify_commit_buffer() ...

In a following commit, we are going to check commit signatures, but we
won't have a commit yet, only a commit buffer, and we are going to
discard this commit buffer if the signature is invalid. So it would be
wasteful to create a commit that we might discard, just to be able to
check a commit signature.

It would be simpler instead to be able to check commit signatures
using only a commit buffer instead of a commit.

To be able to do that, let's extract some code from the
check_commit_signature() function into a new verify_commit_buffer()
function, and then let's make check_commit_signature() call
verify_commit_buffer().

Note that this doesn't fundamentally change how
check_commit_signature() works. It used to call parse_signed_commit()
which calls repo_get_commit_buffer(), parse_buffer_signed_by_header()
and repo_unuse_commit_buffer(). Now these 3 functions are called
directly by verify_commit_buffer().

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2025-11-16 20:56:35 -08:00

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