$ git clone -n https://src.fedoraproject.org/rpms/perl-CPAN-Releases-Latest.git /var/lib/mock/f40-build-2016138-46157/root/chroot_tmpdir/scmroot/perl-CPAN-Releases-Latest
Cloning into '/var/lib/mock/f40-build-2016138-46157/root/chroot_tmpdir/scmroot/perl-CPAN-Releases-Latest'...
$ git fetch origin 65f038a4af3c42793829b759f8f220cdc4a79c6e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CPAN-Releases-Latest
 * [new ref]         65f038a4af3c42793829b759f8f220cdc4a79c6e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 65f038a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild