$ git clone -n https://src.fedoraproject.org/rpms/perl-File-Find-Rule-Perl.git /var/lib/mock/f41-build-714896-13069/root/chroot_tmpdir/scmroot/perl-File-Find-Rule-Perl
Cloning into '/var/lib/mock/f41-build-714896-13069/root/chroot_tmpdir/scmroot/perl-File-Find-Rule-Perl'...
$ git fetch origin 4c786f672388282335ab26c336129f753d29fc10:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-File-Find-Rule-Perl
 * [new ref]         4c786f672388282335ab26c336129f753d29fc10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c786f6 Eliminate use of obsolete %patchN syntax (#2283636)