$ git clone -n https://src.fedoraproject.org/rpms/perl-CPAN-Perl-Releases.git /var/lib/mock/f42-build-side-1-3584219-46892/root/chroot_tmpdir/scmroot/perl-CPAN-Perl-Releases
Cloning into '/var/lib/mock/f42-build-side-1-3584219-46892/root/chroot_tmpdir/scmroot/perl-CPAN-Perl-Releases'...
$ git fetch origin 2cfc9662720f0fe573c39273ff28601b25e8dce6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CPAN-Perl-Releases
 * [new ref]         2cfc9662720f0fe573c39273ff28601b25e8dce6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2cfc966 5.20250627 bump (rhbz#2375523)