#!/bin/sh
set -eu

target=${1:-core/huya/wss_client.py}
baseline_ref=${GUID_SESSION_BASELINE_REF:-HEAD}
root=$(git rev-parse --show-toplevel)
case "$target" in
  "$root"/*) file=$target; rel=${target#"$root"/} ;;
  /*) file=$target; rel=core/huya/wss_client.py ;;
  *) file="$root/$target"; rel=$target ;;
esac
git show "$baseline_ref:$rel" > "$file"
printf '已恢复 %s（基线 %s）\n' "$file" "$baseline_ref"