Building a patched BASH on OSX

build_patched_bash.sh

#!/bin/bash

# Original from: http://apple.stackexchange.com/a/146851

# If you want to disable auto-imported functions, uncomment the following
#export ADD_IMPORT_FUNCTIONS_PATCH=YES
mkdir ~/bash-fix
cd ~/bash-fix
curl https://opensource.apple.com/tarballs/bash/bash-92.tar.gz | tar zxf -
cd bash-92/bash-3.2
curl https://ftp.gnu.org/pub/gnu/bash/bash-3.2-patches/bash32-052 | patch -p0    
curl https://ftp.gnu.org/pub/gnu/bash/bash-3.2-patches/bash32-053 | patch -p0  
# See note above about ADD_IMPORT_FUNCTIONS_PATCH
#[ "$ADD_IMPORT_FUNCTIONS_PATCH" == "YES" ] && curl http://alblue.bandlem.com/import_functions.patch | patch -p0
[ "$ADD_IMPORT_FUNCTIONS_PATCH" == "YES" ] || curl https://ftp.gnu.org/pub/gnu/bash/bash-3.2-patches/bash32-054 | patch -p0
cd ..
# Note: DO NOT ADD SUDO TO XCODEBUILD HERE
xcodebuild
~/bash-fix/bash-92/build/Release/bash --version # GNU bash, version 3.2.54(1)-release
~/bash-fix/bash-92/build/Release/sh --version   # GNU bash, version 3.2.54(1)-release
echo "Run the following to 'install' the patched bash..."
echo "sudo cp -p /bin/bash /bin/bash.old"
echo "sudo cp -p /bin/sh /bin/sh.old"
echo "sudo cp ~/bash-fix/bash-92/build/Release/bash /bin"
echo "sudo cp ~/bash-fix/bash-92/build/Release/sh /bin"
echo "sudo chmod a-x /bin/bash.old"
echo "sudo chmod a-x /bin/sh.old"

exit 0