unitypackageを展開するbashスクリプト

unpack_unitypackage.bash

#!/bin/bash

set -eu

if [ $# -lt 1 ]; then
  echo Invalid arguments 1>&2
  echo [USAGE]
  echo   $0 UNITYPACKAGE
  exit 1
fi

packagefile="$1"
dstdir=${packagefile%.*}

echo ${packagefile}
echo ${dstdir}

[ ! -d "${dstdir}" ] && mkdir ${dstdir} || :

\tar zxvf $1 -C "${dstdir}"
cd ${dstdir}

for pathfile in $(find . -type f -name 'pathname'); do
  guiddir=${pathfile%/*}
  pathname=$(\cat "${pathfile}")
  assetdir=${pathname%/*}

  echo "${guiddir#*/} -> ${pathname}"

  \mkdir -p "${assetdir}"
  [ -f "${guiddir}/asset" ] && \mv "${guiddir}/asset" "${pathname}" || :
  [ -f "${guiddir}/asset.meta" ] && \mv "${guiddir}/asset.meta" "${pathname}.meta" || :
done

for pathfile in $(find . -type f -name 'pathname'); do
  guiddir=${pathfile%/*}
  \rm -rfv "${guiddir}"
done