$ git clone -n https://src.fedoraproject.org/rpms/perl-Perl6-Export-Attrs.git /var/lib/mock/f45-build-25799-613/root/chroot_tmpdir/scmroot/perl-Perl6-Export-Attrs
Cloning into '/var/lib/mock/f45-build-25799-613/root/chroot_tmpdir/scmroot/perl-Perl6-Export-Attrs'...
$ git fetch origin e9c2109d3ce4156ca4eb87c81e2f5bf848edec35:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Perl6-Export-Attrs
 * [new ref]         e9c2109d3ce4156ca4eb87c81e2f5bf848edec35 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e9c2109 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild