$ git clone -n https://src.fedoraproject.org/rpms/rust-envsubst.git /var/lib/mock/f38-build-side-43-rust-devel-1415119-31454/root/chroot_tmpdir/scmroot/rust-envsubst
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1415119-31454/root/chroot_tmpdir/scmroot/rust-envsubst'...
$ git fetch origin e7e20052fdf93aa6cea6b1b44c5abfa4e2a3d01f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-envsubst
 * [new ref]         e7e20052fdf93aa6cea6b1b44c5abfa4e2a3d01f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e7e2005 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild