$ git clone -n https://src.fedoraproject.org/rpms/libzia.git /var/lib/mock/f40-build-785896-134133/root/chroot_tmpdir/scmroot/libzia
Cloning into '/var/lib/mock/f40-build-785896-134133/root/chroot_tmpdir/scmroot/libzia'...
$ git fetch origin 1a21da853e47982581dfbf70f104611966e91917:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libzia
 * [new ref]         1a21da853e47982581dfbf70f104611966e91917 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a21da8 New version