atp

#!/usr/bin/env bash
#
# Transfer files via adb

set -e
readonly apath='/storage/emulated/0/atp'
# adb(){ /custom/path/adb; }

usage() {
  cat << EOF
- Use this script to transport files via adb
  Usage ${0##*/} [options]
- Options:
  push  Push '\$3' (file) to '/storage/emulated/0/atp' on your phone
  pull  Pull '\$3' (number of file) from '/storage/emulated/0/atp' to '$HOME/atp'
  ls    Show files and their numbers in 'storage/emulated/0/atp'
  -z    Turn off the compression (useful for transfer big binaries)
- Example:
  ${0##*/} push ./hui/zzz.zip -z
  ${0##*/} pull 7
  ${0##*/} ls
EOF

  exit "${1}"
}

afiles() {
  afiles="$(adb shell find "${apath}/*" -prune -exec basename -a '{}' \+)"
}

await() {
  echo '- Waiting for device...'
  adb wait-for-device
}

[[ "${@}" =~ '--help' ]] && usage 0

if [[ "${@}" =~ '-z' ]]; then
  comp='none'
else
  comp='brotli'
fi

case "${1}" in
  push)
    await
    adb shell mkdir -p "${apath}"
    adb push "${2}" "${apath}" -z "${comp}";;
  pull)
    [[ -z "${2}" ]] && usage 1
    await
    afiles
    afile="$(echo "${afiles}" | sed -n "${2}p")"
    adb pull "${apath}/${afile}" "${HOME}/atp" -z "${comp}"
    ;;
  ls)
    await
    afiles
    echo "${afiles}" | nl
    ;;
  *) usage 1
esac