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

echo "[push-ext-commit] Ensure all submodules on ext, commit if needed, push ext"

# Work from repo root
ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
cd "$ROOT_DIR"

# Update submodules metadata (non-recursive update of refs; content is already cloned)
git submodule init >/dev/null 2>&1 || true

git submodule foreach --recursive '
  set -e
  echo "[submodule] Enter: $name ($path)"
  git fetch origin ext || true
  if ! git rev-parse --verify ext >/dev/null 2>&1; then
    if git show-ref --verify --quiet refs/remotes/origin/ext; then
      git switch -C ext origin/ext
    else
      git switch -C ext
    fi
  else
    git switch ext
  fi
  git pull --ff-only || true
  git add -A
  if ! git diff --cached --quiet; then
    git commit -m "auto_clea"
    git push -u origin ext || true
  else
    echo "[submodule] No changes to commit"
  fi
'

echo "[root] Process root repository"
git fetch origin ext || true
if ! git rev-parse --verify ext >/dev/null 2>&1; then
  if git show-ref --verify --quiet refs/remotes/origin/ext; then
    git switch -C ext origin/ext
  else
    git switch -C ext
  fi
else
  git switch ext
fi
git pull --ff-only || true
git add -A
if ! git diff --cached --quiet; then
  git commit -m "auto_clea"
  git push -u origin ext
else
  echo "[root] No changes to commit"
fi

echo "[push-ext-commit] Done."