$ git clone -n https://src.fedoraproject.org/rpms/xfdashboard.git /var/lib/mock/f45-build-38840-728/root/chroot_tmpdir/scmroot/xfdashboard
Cloning into '/var/lib/mock/f45-build-38840-728/root/chroot_tmpdir/scmroot/xfdashboard'...
$ git fetch origin 940de777d4ea7e28fca921dfa100c28c1057bdf0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfdashboard
 * [new ref]         940de777d4ea7e28fca921dfa100c28c1057bdf0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 940de77 simplify .gitignore file