$ git clone -n https://src.fedoraproject.org/rpms/perl-AnyEvent-HTTP-Server.git /var/lib/mock/f42-build-3351394-45013/root/chroot_tmpdir/scmroot/perl-AnyEvent-HTTP-Server
Cloning into '/var/lib/mock/f42-build-3351394-45013/root/chroot_tmpdir/scmroot/perl-AnyEvent-HTTP-Server'...
$ git fetch origin 42f733dfc763cdd14faac26d4f3bcc470e56e8c4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-AnyEvent-HTTP-Server
 * [new ref]         42f733dfc763cdd14faac26d4f3bcc470e56e8c4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 42f733d Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild