$ git clone -n https://src.fedoraproject.org/rpms/perl-Dist-Zilla-App-Command-cover.git /var/lib/mock/f45-build-23210-596/root/chroot_tmpdir/scmroot/perl-Dist-Zilla-App-Command-cover
Cloning into '/var/lib/mock/f45-build-23210-596/root/chroot_tmpdir/scmroot/perl-Dist-Zilla-App-Command-cover'...
$ git fetch origin 72c4970fe871c11941b8ab0574f4e75b9640a140:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Dist-Zilla-App-Command-cover
 * [new ref]         72c4970fe871c11941b8ab0574f4e75b9640a140 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72c4970 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild