$ git clone -n https://src.fedoraproject.org/rpms/tog-pegasus.git /var/lib/mock/f41-build-1041946-18994/root/chroot_tmpdir/scmroot/tog-pegasus
Cloning into '/var/lib/mock/f41-build-1041946-18994/root/chroot_tmpdir/scmroot/tog-pegasus'...
$ git fetch origin ede6d85571a24389aeb00fe0c5ed99462060413b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tog-pegasus
 * [new ref]         ede6d85571a24389aeb00fe0c5ed99462060413b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ede6d85 Eliminate use of obsolete %patchN syntax (#2283636)