#!/usr/bin/env bash
set -euo pipefail

if [[ "$#" -ne 1 ]]; then
  echo "usage: $0 /absolute/path/to/dualprop-sdil" >&2
  exit 2
fi

target="$1"
if [[ "$target" != /* ]]; then
  echo "target must be an absolute path" >&2
  exit 2
fi
if [[ -e "$target" ]]; then
  echo "refusing to overwrite existing target: $target" >&2
  exit 2
fi

main_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
patch_root="$main_root/external/dualprop_patches"
base_revision="7b2595b34421e1483a721dbfdeff8cdabda3a1ff"

if [[ "$(find "$patch_root" -maxdepth 1 -name '*.patch' | wc -l)" -ne 19 ]]; then
  echo "expected 19 frozen Dual Propagation patches" >&2
  exit 1
fi

git clone https://github.com/Rasmuskh/dualprop_icml_2024.git "$target"
git -C "$target" checkout -b sdil-a6000 "$base_revision"
git -C "$target" config user.name "SDIL replication runner"
git -C "$target" config user.email "sdil-replication@invalid.example"
git -C "$target" am --committer-date-is-author-date "$patch_root"/*.patch

echo "plain-CNN runner ready at $target"
git -C "$target" log -1 --oneline