$ git clone -n https://src.fedoraproject.org/rpms/plasma-desktop.git /var/lib/mock/f40-build-2382989-60471/root/chroot_tmpdir/scmroot/plasma-desktop
Cloning into '/var/lib/mock/f40-build-2382989-60471/root/chroot_tmpdir/scmroot/plasma-desktop'...
$ git fetch origin 0f034eb24746bf82831fe139a3b9e766c910408d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-desktop
 * [new ref]         0f034eb24746bf82831fe139a3b9e766c910408d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0f034eb 5.93.0