#!/bin/bash

# Set up command recording wrapper

[ -z "$WRAPDIR" ] && WRAPDIR="$PWD"/record-commands
[ -z "$WRAPLOG" ] && export WRAPLOG="$PWD"/log.txt && CLEANUP=1

if [ $# -eq 0 ]
then
  echo "Usage: WRAPDIR=dir WRAPLOG=log.txt record-commands command..."
  echo "Then examine log.txt"
  exit 1
fi

if [ ! -x "$WRAPDIR/logwrapper" ]
then
  make logwrapper
  mkdir -p "$WRAPDIR" && mv logwrapper "$WRAPDIR" || exit 1

  echo "$PATH" | tr : '\n' | while read DIR
  do
    ls "$DIR/" | while read FILE
    do
      ln -s logwrapper "$WRAPDIR/$FILE" 2>/dev/null
    done
  done
fi

PATH="$WRAPDIR:$PATH" "$@"
X=$?
[ ! -z "$CLEANUP" ] && rm -rf "$WRAPDIR"

exit $X