$ git clone -n https://src.fedoraproject.org/rpms/perl-XML-Hash-LX.git /var/lib/mock/f45-build-27524-624/root/chroot_tmpdir/scmroot/perl-XML-Hash-LX
Cloning into '/var/lib/mock/f45-build-27524-624/root/chroot_tmpdir/scmroot/perl-XML-Hash-LX'...
$ git fetch origin c67b6a513e6e41ba7ad6e020bab16721d3b46543:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-XML-Hash-LX
 * [new ref]         c67b6a513e6e41ba7ad6e020bab16721d3b46543 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c67b6a5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild