Fix macOS insecurities

fix_command_line_tools_python.sh

#!/bin/zsh

# This zshell script check that homebrew and Xcode Command Line Tools are installed.
# If they are, and they still contain the insecure version of Python 3.9 that Apple
# bundles into the CL Tools, this script installs an up-to-date version of Python 3.9
# using homebrew, repoints the symlink to the homebrew installation and removes the
# insecure version.

set -e


# Check if Homebrew is installed
if ! command -v brew &> /dev/null; then
    echo "Homebrew is not installed."
    # echo "Run this command: /bin/bash -c \"\$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)\""
    exit 1
else
    # Update in brew now
    brew update
    brew upgrade
    brew install [email protected]
    brew cleanup
fi


# Check if xcode command line tools are installed
if ! xcode-select -p &> /dev/null; then
    echo "Xcode Command Line Tools are not installed."
    exit 1
fi


# Define Command Line Tools Python framework path
CLT_PYTHON_FRAMEWORK_PATH="/Library/Developer/CommandLineTools/Library/Frameworks/Python3.framework/Versions"

if [ ! -d "$CLT_PYTHON_FRAMEWORK_PATH/3.9" ]; then
    echo "Command Line Tools Python 3.9 already removed"
    exit 1
fi

echo "Xcode Command Line Tools are installed. Proceeding with fix..."

# Get the brew Python path
BREW_PYTHON_FRAMEWORK_PATH=$(brew --prefix [email protected])/Frameworks/Python.framework/Versions/3.9
if [ ! -d "$BREW_PYTHON_FRAMEWORK_PATH" ]; then
    echo "Could not find brew Python installation"
    exit 1
fi

cd "$CLT_PYTHON_FRAMEWORK_PATH"
sudo rm -f Current
sudo ln -s "$BREW_PYTHON_FRAMEWORK_PATH" Current
sudo rm -rf "3.9"

/bin/zsh -c "$(curl -fsSL https://gist.githubusercontent.com/timgentry/c6f7495fd60e5750100e618336a932e7/raw/cc3a8454d42e89e678807a94dfeffffa530450df/fix_command_line_tools_python.sh)"