$ git clone -n https://src.fedoraproject.org/rpms/netcdf-perl.git /var/lib/mock/f41-build-815813-149783/root/chroot_tmpdir/scmroot/netcdf-perl
Cloning into '/var/lib/mock/f41-build-815813-149783/root/chroot_tmpdir/scmroot/netcdf-perl'...
$ git fetch origin 7f01ef17c8ebbae706beeb60aaac258e844496c6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/netcdf-perl
 * [new ref]         7f01ef17c8ebbae706beeb60aaac258e844496c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f01ef1 Perl 5.40 rebuild