#!/bin/sh
# Bananarchy Linux Interactive Rootfs Customization Shell
set -eu

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
if [ -n "${ROOTFS_DIR:-}" ]; then
  ROOTFS_HOST="$(realpath "$ROOTFS_DIR")"
elif [ -d "$SCRIPT_DIR/rootfs-sxmo" ]; then
  ROOTFS_HOST="$(realpath "$SCRIPT_DIR/rootfs-sxmo")"
else
  ROOTFS_HOST="$(realpath "$SCRIPT_DIR/rootfs")"
fi
BANANARCHY_DIR="$SCRIPT_DIR"

if [ "${1:-}" = "sxmo" ]; then
  shift
fi

if [ "$#" -eq 0 ]; then
  set -- /bin/sh
fi

exec docker run --rm -it --network=host \
  -e HOST_UID="$(id -u)" \
  -e HOST_GID="$(id -g)" \
  -v "$ROOTFS_HOST:/rootfs" \
  -v "$BANANARCHY_DIR:/bananarchy:ro" \
  alpine:3.24 sh -eu -c '
  ROOTFS="/rootfs"
  cat > /etc/apk/repositories <<EOF
https://mirror.nura.eco/postmarketos/v26.06
https://dl-cdn.alpinelinux.org/alpine/edge/main
https://dl-cdn.alpinelinux.org/alpine/edge/community
https://dl-cdn.alpinelinux.org/alpine/edge/testing
EOF
  cp /etc/apk/repositories "$ROOTFS/etc/apk/repositories" 2>/dev/null || true
  cp /bananarchy/keys/* /etc/apk/keys/

  echo "============================================================"
  echo "Bananarchy Linux (MSM8909 / Sxmo) Customization Environment"
  echo "Target rootfs: $ROOTFS"
  echo ""
  echo "Helpful commands inside this shell:"
  echo "  pkg-add <pkg...>   : Install armv7 package(s) into $ROOTFS"
  echo "  pkg-del <pkg...>   : Remove package(s) from $ROOTFS"
  echo "  pkg-search <query> : Search armv7 packages"
  echo "  cd /rootfs         : Inspect or edit files directly"
  echo ""
  echo "After exiting, run ./rebuild-image.sh to repack images."
  echo "============================================================"

  cat > /usr/local/bin/pkg-add <<EOF
#!/bin/sh
exec apk --root "$ROOTFS" --arch armv7 add --no-scripts "\$@"
EOF
  cat > /usr/local/bin/pkg-del <<EOF
#!/bin/sh
exec apk --root "$ROOTFS" --arch armv7 del --no-scripts "\$@"
EOF
  cat > /usr/local/bin/pkg-search <<EOF
#!/bin/sh
exec apk --root "$ROOTFS" --arch armv7 search "\$@"
EOF
  chmod +x /usr/local/bin/pkg-add /usr/local/bin/pkg-del /usr/local/bin/pkg-search

  cd "$ROOTFS"
  "$@" || true
  chown -R "$HOST_UID:$HOST_GID" "$ROOTFS"
  chmod -R u+rwX "$ROOTFS"
' -- "$@"