#!/bin/sh -e

# A shell script that does the same as the binaries in the release section.
# It's only here as an example on how to achieve it with a Shell script.

cd "$(dirname "$0")"

cxxpre=""
gccpre=""
execpre=""
libc6arch="libc6,x86-64"
exec="./bin/$(sed -n 's|^Exec=||p' $(ls -1 *.desktop))"

if [ -n "$APPIMAGE" ] && [ "$(file -b "$APPIMAGE" | cut -d, -f2)" != " x86-64" ]; then
  libc6arch="libc6"
fi

cd "usr"

if [ -e "./optional/libstdc++/libstdc++.so.6" ]; then
  lib="$(PATH="/sbin:$PATH" ldconfig -p | grep "libstdc++\.so\.6 ($libc6arch)" | awk 'NR==1{print $NF}')"
  sym_sys=$(tr '\0' '\n' < "$lib" | grep -e '^GLIBCXX_3\.4' | tail -n1)
  sym_app=$(tr '\0' '\n' < "./optional/libstdc++/libstdc++.so.6" | grep -e '^GLIBCXX_3\.4' | tail -n1)
  if [ "$(printf "${sym_sys}\n${sym_app}"| sort -V | tail -1)" != "$sym_sys" ]; then
    cxxpath="./optional/libstdc++:"
  fi
fi

if [ -e "./optional/libgcc/libgcc_s.so.1" ]; then
  lib="$(PATH="/sbin:$PATH" ldconfig -p | grep "libgcc_s\.so\.1 ($libc6arch)" | awk 'NR==1{print $NF}')"
  sym_sys=$(tr '\0' '\n' < "$lib" | grep -e '^GCC_[0-9]\\.[0-9]' | tail -n1)
  sym_app=$(tr '\0' '\n' < "./optional/libgcc/libgcc_s.so.1" | grep -e '^GCC_[0-9]\\.[0-9]' | tail -n1)
  if [ "$(printf "${sym_sys}\n${sym_app}"| sort -V | tail -1)" != "$sym_sys" ]; then
    gccpath="./optional/libgcc:"
  fi
fi

if [ -n "$cxxpath" ] || [ -n "$gccpath" ]; then
  if [ -e "./optional/exec.so" ]; then
    execpre=""
    export LD_PRELOAD="./optional/exec.so:${LD_PRELOAD}"
  fi
  export LD_LIBRARY_PATH="${cxxpath}${gccpath}${LD_LIBRARY_PATH}"
fi

#echo ">>>>> $LD_LIBRARY_PATH"
#echo ">>>>> $LD_PRELOAD"

$exec "$*"
exit $?