$ git clone -n https://src.fedoraproject.org/rpms/ezstream.git /var/lib/mock/f41-build-884568-16596/root/chroot_tmpdir/scmroot/ezstream
Cloning into '/var/lib/mock/f41-build-884568-16596/root/chroot_tmpdir/scmroot/ezstream'...
$ git fetch origin 29201058a1a1be5f73962c992759933c386b94a8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ezstream
 * [new ref]         29201058a1a1be5f73962c992759933c386b94a8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2920105 Eliminate use of obsolete %patchN syntax (#2283636)