new/enter_fb_dev_shell.sh

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

ROOTFS="${ROOTFS:-/}"
WORKDIR="${WORKDIR:-/data/new}"
RCFILE="${RCFILE:-/data/new/fb_dev_shell_rc}"

if [ "$#" -gt 0 ]; then
  CMD="$*"
  exec proot \
    -R "${ROOTFS}" \
    -b /data/new:/data/new \
    -b /home/user:/home/user \
    -w "${WORKDIR}" \
    /bin/bash -lc "source '${RCFILE}'; ${CMD}"
else
  exec proot \
    -R "${ROOTFS}" \
    -b /data/new:/data/new \
    -b /home/user:/home/user \
    -w "${WORKDIR}" \
    /bin/bash --rcfile "${RCFILE}" -i
fi