$ git clone -n https://src.fedoraproject.org/rpms/lsp-plugins.git /var/lib/mock/f42-build-side-1-3499486-45965/root/chroot_tmpdir/scmroot/lsp-plugins
Cloning into '/var/lib/mock/f42-build-side-1-3499486-45965/root/chroot_tmpdir/scmroot/lsp-plugins'...
$ git fetch origin 7dc71fc2624f38d53c899363160c2c7fce5bfdf4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lsp-plugins
 * [new ref]         7dc71fc2624f38d53c899363160c2c7fce5bfdf4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7dc71fc Remove patch.