$ git clone -n https://src.fedoraproject.org/rpms/git-remote-gcrypt.git /var/lib/mock/f45-build-11080-426/root/chroot_tmpdir/scmroot/git-remote-gcrypt
Cloning into '/var/lib/mock/f45-build-11080-426/root/chroot_tmpdir/scmroot/git-remote-gcrypt'...
$ git fetch origin 8b69ac284a1a26b376ee08024cddd639a4658e54:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/git-remote-gcrypt
 * [new ref]         8b69ac284a1a26b376ee08024cddd639a4658e54 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8b69ac2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild