Mac Initial Setup (copied & changed from https://gist.github.com/bradp/bea76b16d3325f5c47d4 )

mac-setup

echo "Creating an SSH key for you..."
ssh-keygen -t rsa

echo "Please add this public key to Github \n"
echo "https://github.com/account/ssh \n"
read -p "Press [Enter] key after this..."

echo "Installing xcode-stuff"
xcode-select --install

echo "Install Rosetta 2 for Mac chip M1"
/usr/sbin/softwareupdate --install-rosetta --agree-to-license

# Check for Homebrew,
# Install if we don't have it
if test ! $(which brew); then
  echo "Installing homebrew..."
  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
fi

# Update homebrew recipes
echo "Updating homebrew..."
brew update

echo "Installing Git..."
brew install git

echo "Git config"

git config --global user.name "romdim"
git config --global user.email rom-dim@hotmail.com

echo "Cleaning up brew"
brew cleanup

echo "Installing homebrew cask"
brew install caskroom/cask/brew-cask

# TO-DO: Automate this
# Follow https://chamikakasun.medium.com/iterm2-zsh-oh-my-zsh-the-most-power-full-terminal-on-macos-2021-guide-macos-big-sur-5bb498976dc9
brew cask install iterm2
brew install zsh && sh -c "$(curl -fsSL https://raw.githubusercontent.com/robbyrussell/oh-my-zsh/master/tools/install.sh)"
git clone --depth=1 https://github.com/romkatv/powerlevel10k.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/themes/powerlevel10k

# vi ~/.zshrc
# ZSH_THEME="powerlevel10k/powerlevel10k"
p10k configure
# Monokai
git clone git://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting
git clone https://github.com/zsh-users/zsh-autosuggestions ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions

# plugins=(
#     git
#     brew
#     gatsby
#     yarn
#     zsh-autosuggestions
# )
# At the very end:
# source ./zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
# source /Users/r.tsouroplis/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh

echo "Setting ZSH as shell..."
chsh -s /bin/zsh

# Apps
apps=(
  google-chrome
  vlc
)

# Install apps to /Applications
# Default is: /Users/$user/Applications
echo "installing apps with Cask..."
brew cask install --appdir="/Applications" ${apps[@]}

brew cask alfred link

brew cask cleanup
brew cleanup


echo "Setting some Mac settings..."

#"Allow text selection in Quick Look"
defaults write com.apple.finder QLEnableTextSelection -bool TRUE

#"Showing all filename extensions in Finder by default"
defaults write NSGlobalDomain AppleShowAllExtensions -bool true

#"Disabling the warning when changing a file extension"
defaults write com.apple.finder FXEnableExtensionChangeWarning -bool false

#"Use list view in all Finder windows by default"
defaults write com.apple.finder FXPreferredViewStyle Nlsv

#"Avoiding the creation of .DS_Store files on network volumes"
defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool true

#"Enabling snap-to-grid for icons on the desktop and in other icon views"
/usr/libexec/PlistBuddy -c "Set :DesktopViewSettings:IconViewSettings:arrangeBy grid" ~/Library/Preferences/com.apple.finder.plist
/usr/libexec/PlistBuddy -c "Set :FK_StandardViewSettings:IconViewSettings:arrangeBy grid" ~/Library/Preferences/com.apple.finder.plist
/usr/libexec/PlistBuddy -c "Set :StandardViewSettings:IconViewSettings:arrangeBy grid" ~/Library/Preferences/com.apple.finder.plist

#"Setting the icon size of Dock items to 36 pixels for optimal size/screen-realestate"
defaults write com.apple.dock tilesize -int 36

#"Speeding up Mission Control animations and grouping windows by application"
defaults write com.apple.dock expose-animation-duration -float 0.1
defaults write com.apple.dock "expose-group-by-app" -bool true

#"Setting Dock to auto-hide"
defaults write com.apple.dock autohide -bool true

#"Enabling UTF-8 ONLY in Terminal.app and setting the Pro theme by default"
defaults write com.apple.terminal StringEncodings -array 4
defaults write com.apple.Terminal "Default Window Settings" -string "Pro"
defaults write com.apple.Terminal "Startup Window Settings" -string "Pro"

#"Setting screenshots location to ~/Desktop"
defaults write com.apple.screencapture location -string "$HOME/Desktop"

#"Setting screenshot format to PNG"
defaults write com.apple.screencapture type -string "png"

#"Allow hitting the Backspace key to go to the previous page in history"
defaults write com.apple.Safari com.apple.Safari.ContentPageGroupIdentifier.WebKit2BackspaceKeyNavigationEnabled -bool true

#"Enabling the Develop menu and the Web Inspector in Safari"
defaults write com.apple.Safari IncludeDevelopMenu -bool true
defaults write com.apple.Safari WebKitDeveloperExtrasEnabledPreferenceKey -bool true
defaults write com.apple.Safari "com.apple.Safari.ContentPageGroupIdentifier.WebKit2DeveloperExtrasEnabled" -bool true

#"Adding a context menu item for showing the Web Inspector in web views"
defaults write NSGlobalDomain WebKitDeveloperExtras -bool true

#"Disable 'natural' (Lion-style) scrolling"
defaults write NSGlobalDomain com.apple.swipescrolldirection -bool false

# Never go to sleep when on charger
sudo pmset -c sleep 0
sudo pmset -c displaysleep 0

killall Finder

echo "Done!"