$ git clone -n https://src.fedoraproject.org/rpms/perl-MongoDB.git /var/lib/mock/f39-build-1666696-40803/root/chroot_tmpdir/scmroot/perl-MongoDB
Cloning into '/var/lib/mock/f39-build-1666696-40803/root/chroot_tmpdir/scmroot/perl-MongoDB'...
$ git fetch origin 6cd3c682c84b0fbb6a71a5bc389bcba5d527e8ef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MongoDB
 * [new ref]         6cd3c682c84b0fbb6a71a5bc389bcba5d527e8ef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6cd3c68 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild