$ git clone -n https://src.fedoraproject.org/rpms/perl-CPAN-Mini.git /var/lib/mock/f40-build-2621923-64815/root/chroot_tmpdir/scmroot/perl-CPAN-Mini
Cloning into '/var/lib/mock/f40-build-2621923-64815/root/chroot_tmpdir/scmroot/perl-CPAN-Mini'...
$ git fetch origin b29545b16698eeb1ae7afbcfb7cc372be4264ff8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CPAN-Mini
 * [new ref]         b29545b16698eeb1ae7afbcfb7cc372be4264ff8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b29545b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild