$ git clone -n https://src.fedoraproject.org/rpms/mingw-jsoncpp.git /var/lib/mock/f41-build-side-1-2648127-27335/root/chroot_tmpdir/scmroot/mingw-jsoncpp
Cloning into '/var/lib/mock/f41-build-side-1-2648127-27335/root/chroot_tmpdir/scmroot/mingw-jsoncpp'...
$ git fetch origin 89628b0a1ac07f79451da996202e5bcbbe81c73b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-jsoncpp
 * [new ref]         89628b0a1ac07f79451da996202e5bcbbe81c73b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89628b0 convert license to SPDX