Some macOS tricks - just add to .bash_profile

macos_tricks.sh

# Customize prompt
export PROMPT_COMMAND="BRANCH=\
\"\$(git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/')\""
export PS1="\[\033[36m\]\u\[\033[m\]@\[\033[32m\]"\
"\h:\[\033[33;1m\]\w\[\033[m\]\[\033[0;36m\]\${BRANCH}\[\033[0m\]\$ "

# Customize command line
export CLICOLOR=1
export LSCOLORS=ExFxBxDxCxegedabagacad
alias ls="ls -GFh"
if [ -x /usr/bin/dircolors ]; then
    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
    alias ls='ls --color=auto'
    alias grep='grep --color=auto'
    alias fgrep='fgrep --color=auto'
    alias egrep='egrep --color=auto'
fi

# Alias to restore Launch Services
alias restore_services="/System/Library/Frameworks/CoreServices.framework/"\
"Frameworks/LaunchServices.framework/Support/lsregister "\
"-kill -r -domain local -domain system -domain user ; killall Dock"

# Alias to disable .DS_Store on network and external drives
alias no_ds_store="defaults write com.apple.desktopservices "\
"DSDontWriteUSBStores -bool  true && "\
"defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool true"

# Aliases for showing hidden files in Finder
alias show_files="defaults write com.apple.finder AppleShowAllFiles YES;"\
"killall Finder /System/Library/CoreServices/Finder.app"
alias hide_files="defaults write com.apple.finder AppleShowAllFiles NO;"\
"killall Finder /System/Library/CoreServices/Finder.app"

# Enable/Disable antialias on Terminal.app
function set_aa_level() {
    defaults write $1 AppleFontSmoothing -int $2;
}
function terminal_aa_level() {
    set_aa_level com.apple.Terminal $1;
}

# Cleaning
function clean() {
    read -p "Warning! This will erase all $1 recursively. Continue? " choice;
    case "$choice" in 
      y|Y ) find . -name "*.$1" -depth -exec rm {} \;;;
      n|N ) echo "Aborted...";;
      * ) echo "invalid";;
    esac;
}
alias clean_all="clean_ds; clean_dot; clean_nb"

# Create a localized folder
function mkdir_localized() {
    folder="$2.localized/.localized";
    mkdir -p "$2.localized" "$folder";
    rm -f "$2" "$folder/en.strings" "$folder/$1.strings";
    ln -s "$2.localized" "$2";
    SetFile -P -a V "$2";
    touch "$folder/en.strings" "$folder/$1.strings";
    echo \"$2\" = \"$2\"\; >> "$folder/en.strings";
    echo \"$2\" = \"$3\"\; >> "$folder/$1.strings";
}

# Create a RAM disk
function ramdisk() {
    diskutil erasevolume HFS+ 'ram_disk'\
    `hdiutil attach -nomount ram://$(( 2048 * $1 ))`;
}

# Create floppy disk image
function floppy() {
    dd if=/dev/zero bs=1024 count=1440 > $1;
    diskutil eraseVolume MS-DOS $2 `hdiutil attach -nomount $1`;
}