$ git clone -n https://src.fedoraproject.org/rpms/perl-MooseX-App.git /var/lib/mock/f45-build-25046-609/root/chroot_tmpdir/scmroot/perl-MooseX-App
Cloning into '/var/lib/mock/f45-build-25046-609/root/chroot_tmpdir/scmroot/perl-MooseX-App'...
$ git fetch origin f26c5d75245febf50738eaf5748c8253fcc50240:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MooseX-App
 * [new ref]         f26c5d75245febf50738eaf5748c8253fcc50240 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f26c5d7 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild