$ git clone -n https://src.fedoraproject.org/rpms/perl-MooseX-Extended.git /var/lib/mock/f45-build-25032-609/root/chroot_tmpdir/scmroot/perl-MooseX-Extended
Cloning into '/var/lib/mock/f45-build-25032-609/root/chroot_tmpdir/scmroot/perl-MooseX-Extended'...
$ git fetch origin 284e5f2068d648ff673cf806479786d4586acf80:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MooseX-Extended
 * [new ref]         284e5f2068d648ff673cf806479786d4586acf80 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 284e5f2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild