Justin Tobler 8849f9497a fast-import: add mode to re-sign invalid commit signatures ...

With git-fast-import(1), handling of signed commits is controlled via
the `--signed-commits=<mode>` option. When an invalid signature is
encountered, a user may want the option to re-sign the commit as opposed
to just stripping the signature. To facilitate this, introduce a
"re-sign-if-invalid" mode for the `--signed-commits` option. Optionally,
a key ID may be explicitly provided in the form
`re-sign-if-invalid[=<keyid>]` to specify which signing key should be
used when re-signing invalid commit signatures.

Note that to properly support interoperability mode when re-signing
commit signatures, the commit buffer must be created in both the
repository and compatability object formats to generate the appropriate
signatures accordingly. As currently implemented, the commit buffer for
the compatability object format is not reconstructed and thus re-signing
commits in interoperability mode is not yet supported. Support may be
added in the future.

Signed-off-by: Justin Tobler <jltobler@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2026-03-10 13:43:06 -07:00

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