$ git clone -n https://src.fedoraproject.org/rpms/picmi.git /var/lib/mock/f40-build-2195966-51545/root/chroot_tmpdir/scmroot/picmi
Cloning into '/var/lib/mock/f40-build-2195966-51545/root/chroot_tmpdir/scmroot/picmi'...
$ git fetch origin c145e47f6fbf5ff9d2f8bada5ab8fcf0bfc65666:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/picmi
 * [new ref]         c145e47f6fbf5ff9d2f8bada5ab8fcf0bfc65666 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c145e47 24.01.85