$ git clone -n https://src.fedoraproject.org/rpms/polyml.git /var/lib/mock/f40-build-750985-115699/root/chroot_tmpdir/scmroot/polyml
Cloning into '/var/lib/mock/f40-build-750985-115699/root/chroot_tmpdir/scmroot/polyml'...
$ git fetch origin 45bfadb83dc4a9c9ada74618cdc6108a25c26dc9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/polyml
 * [new ref]         45bfadb83dc4a9c9ada74618cdc6108a25c26dc9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 45bfadb Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild