#!/usr/bin/env bash

GitTools="$(git rev-parse --show-toplevel)/gitTools"

# Clear User configuration
function setGitConfig () {
  unsetGitConfig "$1"
  git config --local $3 --add $1 "$2"
}

function unsetGitConfig () {
  git config --local --unset-all $1

  Section=${1%.*}

  if [ `git config --get-regexp $Section | wc -l` == 0 ]; then
    git config --remove-section $Section 2>/dev/null
  fi
}

function checkGitTool () {
  tool="`git config copasi.$1`"
  tool="${tool:-$1}"
  whichTool="`which ${tool}`"

  if [ -x "${tool}" ]; then
    echo $1 '=>' ${tool}
  elif [ -x "${whichTool}" ]; then
    echo $1 '=>' "${whichTool}"
  else
    if [ x"`git config copasi.$1`" == x ]; then 
      echo $1 is missing!
    else
      echo $1 '=>' `git config copasi.$1` is missing!
    fi

    if [ ${isWindows} == true ]; then
      echo "  try:"
      echo "    initTools --Windows"
      echo "  or:"
    else
      echo "  use:"
    fi

    echo "    initTools --tool $1 '<application to use>'"
    echo
  fi
}

function gitTool () {
  tool="`git config copasi.$1`"
  tool="${tool:-$1}"
  whichTool="`which ${tool}`"

  if [ -x "${tool}" ]; then
    echo ${tool}
  elif [ -x "${whichTool}" ]; then
    echo ${whichTool}
  fi
}

function getAttribute () {
  attribute="`git check-attr $1 $2`"
  attribute=(${attribute})
  attribute=${attribute[${#attribute[*]}-1]}

  if [ $attribute == $1: ]; then
    attribute=
  fi

  echo $attribute
}

if [ _$(uname) = _Darwin -o _$(uname) = _FreeBSD ]; then
  function getPermissions () {
    stat -f %Mp%Lp $@
  }
else
  function getPermissions () {
    stat -c %a $@
  }
fi  

if [ x"${WINDIR}" != x ]; then
  isWindows=true
else
  isWindows=false
fi

# The date at which git has taken over the control.
GitStart=1342718698

# Determine the current branch
branch=`git rev-parse --abbrev-ref HEAD`

function debug () {
  if [ _${GitLog} != _ ]; then
    echo '['`date +'%Y.%m.%d %H:%M:%S'`']' $@ >> ${GitLog}
  fi
}