$ git clone -n https://src.fedoraproject.org/rpms/perl-MaxMind-DB-Reader.git /var/lib/mock/f40-build-779347-130302/root/chroot_tmpdir/scmroot/perl-MaxMind-DB-Reader
Cloning into '/var/lib/mock/f40-build-779347-130302/root/chroot_tmpdir/scmroot/perl-MaxMind-DB-Reader'...
$ git fetch origin 6eb3d794115f87118e425add93f59050c42433d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MaxMind-DB-Reader
 * [new ref]         6eb3d794115f87118e425add93f59050c42433d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6eb3d79 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild