$ git clone -n https://src.fedoraproject.org/rpms/cairo-dock-plug-ins.git /var/lib/mock/f41-build-848221-164387/root/chroot_tmpdir/scmroot/cairo-dock-plug-ins
Cloning into '/var/lib/mock/f41-build-848221-164387/root/chroot_tmpdir/scmroot/cairo-dock-plug-ins'...
$ git fetch origin 70d0d4f72c368a30f339f856266880582923b2f6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cairo-dock-plug-ins
 * [new ref]         70d0d4f72c368a30f339f856266880582923b2f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70d0d4f Require gdk-pixbuf2-modules-extra if available