$ git clone -n https://src.fedoraproject.org/rpms/perl-CPAN-Plugin-Sysdeps.git /var/lib/mock/f40-build-2016117-46155/root/chroot_tmpdir/scmroot/perl-CPAN-Plugin-Sysdeps
Cloning into '/var/lib/mock/f40-build-2016117-46155/root/chroot_tmpdir/scmroot/perl-CPAN-Plugin-Sysdeps'...
$ git fetch origin fa3f3014b9738feec83057d59a68e70d059fb72e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CPAN-Plugin-Sysdeps
 * [new ref]         fa3f3014b9738feec83057d59a68e70d059fb72e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa3f301 0.72 bump