bash 4.3 update

bash_update.sh

#!/bin/sh

BASE_VERSION="bash-4.3"
MAX_PATCH=42

BASE_URL="http://ftp.gnu.org/gnu/bash"
PATCHES_URL="${BASE_URL}/${BASE_VERSION}-patches"
ARC="${BASE_VERSION}.tar.gz"

rm -rf ${BASE_VERSION}

if [ ! -f $ARC ]
then
  echo "downloading $ARC ..."
  curl -s -O ${BASE_URL}/${ARC}
fi

tar xfz $ARC

for i in $(seq -f "%03g" 1 $MAX_PATCH)
do
  ptch="bash43-$i"
  if [ ! -f $ptch ]
  then
    echo "downloading $ptch ..."
    curl -s -O "${PATCHES_URL}/$ptch"
  fi
done

cd ${BASE_VERSION}

for i in $(seq -f "%03g" 1 $MAX_PATCH)
do
  ptch="bash43-$i"
  echo "applying $ptch ..."
  patch -p0 < ../$ptch
done

CFLAGS="-O3" ./configure --prefix=/opt/${BASE_VERSION}.${MAX_PATCH}
make -j4
sudo make install