$ git clone -n https://src.fedoraproject.org/rpms/perl-MaxMind-DB-Reader.git /var/lib/mock/f39-build-1486731-34474/root/chroot_tmpdir/scmroot/perl-MaxMind-DB-Reader
Cloning into '/var/lib/mock/f39-build-1486731-34474/root/chroot_tmpdir/scmroot/perl-MaxMind-DB-Reader'...
$ git fetch origin 21967cf80b91ffb25890f0d074a8b1880bd0ef4f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MaxMind-DB-Reader
 * [new ref]         21967cf80b91ffb25890f0d074a8b1880bd0ef4f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21967cf Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild