$ git clone -n https://src.fedoraproject.org/rpms/polari.git /var/lib/mock/f40-build-792367-138332/root/chroot_tmpdir/scmroot/polari
Cloning into '/var/lib/mock/f40-build-792367-138332/root/chroot_tmpdir/scmroot/polari'...
$ git fetch origin f15260dd2e4dd5573a6143740ca595ba904127d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/polari
 * [new ref]         f15260dd2e4dd5573a6143740ca595ba904127d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f15260d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild