$ git clone -n https://src.fedoraproject.org/rpms/uhd.git /var/lib/mock/f41-build-783298-13570/root/chroot_tmpdir/scmroot/uhd
Cloning into '/var/lib/mock/f41-build-783298-13570/root/chroot_tmpdir/scmroot/uhd'...
$ git fetch origin f07315bd68e67f57e7935004464a0c1bbd19d7bb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/uhd
 * [new ref]         f07315bd68e67f57e7935004464a0c1bbd19d7bb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f07315b Eliminate use of obsolete %patchN syntax (#2283636)