$ git clone -n https://src.fedoraproject.org/rpms/perl-Menlo.git /var/lib/mock/f40-build-2306010-57124/root/chroot_tmpdir/scmroot/perl-Menlo
Cloning into '/var/lib/mock/f40-build-2306010-57124/root/chroot_tmpdir/scmroot/perl-Menlo'...
$ git fetch origin ac00db6960b89fb9658aaa7c4ee48ec890be51c3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Menlo
 * [new ref]         ac00db6960b89fb9658aaa7c4ee48ec890be51c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac00db6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild