$ git clone -n https://src.fedoraproject.org/rpms/perl-Want.git /var/lib/mock/f40-build-778601-130000/root/chroot_tmpdir/scmroot/perl-Want
Cloning into '/var/lib/mock/f40-build-778601-130000/root/chroot_tmpdir/scmroot/perl-Want'...
$ git fetch origin 6b74006a0c697f797410acb492c768bd679d88dd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Want
 * [new ref]         6b74006a0c697f797410acb492c768bd679d88dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b74006 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild