$ git clone -n https://src.fedoraproject.org/rpms/gnome-remote-desktop.git /var/lib/mock/f41-build-side-1-2637952-26364/root/chroot_tmpdir/scmroot/gnome-remote-desktop
Cloning into '/var/lib/mock/f41-build-side-1-2637952-26364/root/chroot_tmpdir/scmroot/gnome-remote-desktop'...
$ git fetch origin 986158f2781472ae85f26ebc77582ccc03d71355:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-remote-desktop
 * [new ref]         986158f2781472ae85f26ebc77582ccc03d71355 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 986158f Update to 47.rc