$ git clone -n https://src.fedoraproject.org/rpms/perl-MooseX-Declare.git /var/lib/mock/f45-build-25057-609/root/chroot_tmpdir/scmroot/perl-MooseX-Declare
Cloning into '/var/lib/mock/f45-build-25057-609/root/chroot_tmpdir/scmroot/perl-MooseX-Declare'...
$ git fetch origin 5337f753617a16dddcbfeed37d0fe601872ff6a9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MooseX-Declare
 * [new ref]         5337f753617a16dddcbfeed37d0fe601872ff6a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5337f75 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild