$ git clone -n https://src.fedoraproject.org/rpms/perl-AnyEvent.git /var/lib/mock/f42-build-877041-179927/root/chroot_tmpdir/scmroot/perl-AnyEvent
Cloning into '/var/lib/mock/f42-build-877041-179927/root/chroot_tmpdir/scmroot/perl-AnyEvent'...
$ git fetch origin 16f66bb2bf63e457f060593fe509afe45eaecbfa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-AnyEvent
 * [new ref]         16f66bb2bf63e457f060593fe509afe45eaecbfa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16f66bb Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild