Justin Tobler ee66c793f8 fast-import: add mode to sign commits with invalid 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 sign the commit again as
opposed to just stripping the signature. To facilitate this, introduce a
"sign-if-invalid" mode for the `--signed-commits` option. Optionally, a
key ID may be explicitly provided in the form
`sign-if-invalid[=<keyid>]` to specify which signing key should be used
when signing invalid commit signatures.

Note that to properly support interoperability mode when 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 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>

2026-03-12 21:28:20 -07:00

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