$ git clone -n https://src.fedoraproject.org/rpms/google-disk-expand.git /var/lib/mock/f45-build-12858-444/root/chroot_tmpdir/scmroot/google-disk-expand
Cloning into '/var/lib/mock/f45-build-12858-444/root/chroot_tmpdir/scmroot/google-disk-expand'...
$ git fetch origin 61f61022221ac422b92262b8fec69e1b67897136:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/google-disk-expand
 * [new ref]         61f61022221ac422b92262b8fec69e1b67897136 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 61f6102 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild