$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Deep-Fuzzy.git /var/lib/mock/f45-build-26624-618/root/chroot_tmpdir/scmroot/perl-Test-Deep-Fuzzy
Cloning into '/var/lib/mock/f45-build-26624-618/root/chroot_tmpdir/scmroot/perl-Test-Deep-Fuzzy'...
$ git fetch origin bf54645c4210c79de67f0d4b5373f69d2e8d5c17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Deep-Fuzzy
 * [new ref]         bf54645c4210c79de67f0d4b5373f69d2e8d5c17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf54645 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild