$ git clone -n https://src.fedoraproject.org/rpms/pstreams-devel.git /var/lib/mock/f41-build-1030937-18489/root/chroot_tmpdir/scmroot/pstreams-devel
Cloning into '/var/lib/mock/f41-build-1030937-18489/root/chroot_tmpdir/scmroot/pstreams-devel'...
$ git fetch origin 7d65f20f0791ac5a4bf889fd4923aae1a1535999:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pstreams-devel
 * [new ref]         7d65f20f0791ac5a4bf889fd4923aae1a1535999 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d65f20 Eliminate use of obsolete %patchN syntax (#2283636)