$ git clone -n https://src.fedoraproject.org/rpms/rust-zenity-dialog.git /var/lib/mock/f45-build-46339-833/root/chroot_tmpdir/scmroot/rust-zenity-dialog
Cloning into '/var/lib/mock/f45-build-46339-833/root/chroot_tmpdir/scmroot/rust-zenity-dialog'...
$ git fetch origin c2dace1ba5ebc4cb6899e8f7ac624ee7d05b3a64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-zenity-dialog
 * [new ref]         c2dace1ba5ebc4cb6899e8f7ac624ee7d05b3a64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c2dace1 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild