$ git clone -n https://src.fedoraproject.org/rpms/perl-SGML-Parser-OpenSP.git /var/lib/mock/f45-build-26067-614/root/chroot_tmpdir/scmroot/perl-SGML-Parser-OpenSP
Cloning into '/var/lib/mock/f45-build-26067-614/root/chroot_tmpdir/scmroot/perl-SGML-Parser-OpenSP'...
$ git fetch origin ae93c238a16e1f75aa2acc1ad2579ff7f7043904:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-SGML-Parser-OpenSP
 * [new ref]         ae93c238a16e1f75aa2acc1ad2579ff7f7043904 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae93c23 Perl 5.44 rebuild