$ git clone -n https://src.fedoraproject.org/rpms/perl-Mozilla-CA.git /var/lib/mock/f40-build-2221408-52687/root/chroot_tmpdir/scmroot/perl-Mozilla-CA
Cloning into '/var/lib/mock/f40-build-2221408-52687/root/chroot_tmpdir/scmroot/perl-Mozilla-CA'...
$ git fetch origin e4ff2b434f5e77a39eaa87d1587962ef7da3ec64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Mozilla-CA
 * [new ref]         e4ff2b434f5e77a39eaa87d1587962ef7da3ec64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4ff2b4 20231213 bump