* Signed SSH commits can look in the UI like on GitHub, just like gpg keys today in Gitea
* SSH format can be added in gitea config
* SSH Signing worked before with DEFAULT_TRUST_MODEL=committer
`TRUSTED_SSH_KEYS` can be a list of additional ssh public key contents
to trust for every user of this instance
Closes#34329
Related #31392
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Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: techknowlogick <techknowlogick@gitea.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
When list commits, some of the commits authors are the same at many
situations. But current logic will always fetch the same GPG keys from
database. This PR will cache the GPG keys, emails and users for the
context so that reducing the database queries.
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Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>