LXR toybox/scripts/record-commands

   1#!/bin/bash
   2
   3# Set up command recording wrapper
   4
   5[ -z "$WRAPDIR" ] && WRAPDIR="$PWD"/record-commands && RM=$(which rm)
   6[ -z "$LOGPATH" ] && export LOGPATH="$PWD"/log.txt
   7
   8if [ ${#BASH_SOURCE[@]} -lt 2 ] && [ $# -eq 0 ]
   9then
  10  echo "usage: WRAPDIR=dir LOGPATH=log.txt record-commands COMMAND..."
  11  echo 'Then examine log.txt. "record-commands echo" to just setup $WRAPDIR'
  12  exit 1
  13fi
  14
  15if [ ! -x "$WRAPDIR/logpath" ]
  16then
  17  mkdir -p "$WRAPDIR" && PREFIX="$WRAPDIR/" scripts/single.sh logpath || exit 1
  18  echo "$PATH" | tr : '\n' | while read DIR
  19  do
  20    find "$DIR/" -type f,l -maxdepth 1 -executable -exec basename {} \; | \
  21    while read FILE
  22    do
  23      ln -s logpath "$WRAPDIR/$FILE" 2>/dev/null
  24    done
  25  done
  26fi
  27
  28# Delete old log (if any)
  29rm -f "$LOGPATH"
  30
  31# When sourced, set up wrapper for current context.
  32export PATH="$WRAPDIR:$PATH"
  33if [ ${#BASH_SOURCE[@]} -lt 2 ]
  34then
  35  "$@"
  36  X=$?
  37
  38  [ ! -z "$RM" ] && "$RM" -rf "$WRAPDIR"
  39
  40  exit $X
  41fi
  42
  43