$ git clone -n https://src.fedoraproject.org/rpms/perl-Cpanel-JSON-XS.git /var/lib/mock/f45-build-22569-593/root/chroot_tmpdir/scmroot/perl-Cpanel-JSON-XS
Cloning into '/var/lib/mock/f45-build-22569-593/root/chroot_tmpdir/scmroot/perl-Cpanel-JSON-XS'...
$ git fetch origin 049f7d0b232f4c7a81407622737e80731d1d4893:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Cpanel-JSON-XS
 * [new ref]         049f7d0b232f4c7a81407622737e80731d1d4893 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 049f7d0 Perl 5.44 re-rebuild of bootstrapped packages