$ git clone -n https://src.fedoraproject.org/rpms/xfpanel-switch.git /var/lib/mock/f45-build-38899-730/root/chroot_tmpdir/scmroot/xfpanel-switch
Cloning into '/var/lib/mock/f45-build-38899-730/root/chroot_tmpdir/scmroot/xfpanel-switch'...
$ git fetch origin 12b2f17a7e288f6971d3a36d750bc714df51e3a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfpanel-switch
 * [new ref]         12b2f17a7e288f6971d3a36d750bc714df51e3a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12b2f17 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild