$ git clone -n https://src.fedoraproject.org/forks/hypersa/rpms/ghc-email-validate.git /var/lib/mock/f39-build-2225682-52860/root/chroot_tmpdir/scmroot/ghc-email-validate
Cloning into '/var/lib/mock/f39-build-2225682-52860/root/chroot_tmpdir/scmroot/ghc-email-validate'...
$ git fetch origin 404e3db141a013f716757b5ea6e95938e45e7719:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/forks/hypersa/rpms/ghc-email-validate
 * [new ref]         404e3db141a013f716757b5ea6e95938e45e7719 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 404e3db rv64 rebuild