$ git clone -n https://src.fedoraproject.org/rpms/perl-Kwiki-Users-Remote.git /var/lib/mock/f41-build-1053436-19286/root/chroot_tmpdir/scmroot/perl-Kwiki-Users-Remote
Cloning into '/var/lib/mock/f41-build-1053436-19286/root/chroot_tmpdir/scmroot/perl-Kwiki-Users-Remote'...
$ git fetch origin 4a7b1b4f58dca8baed1e5482c32930b2ae2f4590:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Kwiki-Users-Remote
 * [new ref]         4a7b1b4f58dca8baed1e5482c32930b2ae2f4590 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a7b1b4 Eliminate use of obsolete %patchN syntax (#2283636)