How to get (only) author name or email in git given SHA1?

I would like to check for author‘s e-mail and name, surname to verify who’s pushing to my repo.

Is there any way that I can come up with a command in git to show commiter’s name/e-mail given only SHA1 of the commit?

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  • This is what I came up with but it’s far from ideal solution (the first solution is for git hook that’s why it’s using 2 SHA1s with rev-list. The second one simply uses git show):

    git rev-list -n 1 --pretty=short  ccd3970..6ddf170 | grep Author | cut -d ' ' -f2- | rev | cut -d ' ' -f2- | rev
    git show 6ddf170 | grep Author | cut -d ' ' -f2- | rev | cut -d ' ' -f2- | rev 

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  • One Solution collect form web for “How to get (only) author name or email in git given SHA1?”

    You can use the following command:

     git log --format='%ae' HASH^!

    It is suppose to work with git show as well, but for some reason it doesn’t do anything for me when I tried it.

    git show --format='%ae' HASH
    Git Baby is a git and github fan, let's start git clone.