$ git clone -n https://src.fedoraproject.org/rpms/kde-settings.git /var/lib/mock/f40-build-2691440-68135/root/chroot_tmpdir/scmroot/kde-settings
Cloning into '/var/lib/mock/f40-build-2691440-68135/root/chroot_tmpdir/scmroot/kde-settings'...
$ git fetch origin e21198f7d10e6ceb95e3bca919b657f329dcac32:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kde-settings
 * [new ref]         e21198f7d10e6ceb95e3bca919b657f329dcac32 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e21198f Bump for F40 backgrounds