	#!/usr/bin/env bash			#!/usr/bin/env bash

	# Check if shell is using a default BSD or GNU prompt
	if [[ ${PS1} != '\s-\v\$'* ]] && \
	[[ ${PS1} != '%n@%m %1~ %#'* ]]; then
	# User already has an opinionated PS1, just leave
	return 0
	fi

	if test "$(uname)" = "Darwin" ; then			if test "$(uname)" = "Darwin" ; then
	COMM_CACHE="${XDG_CACHE_HOME:-$HOME/Library/Caches}/app.comm"			COMM_CACHE="${XDG_CACHE_HOME:-$HOME/Library/Caches}/app.comm"
	else			else
	COMM_CACHE="${XDG_CACHE_HOME:-$HOME/.cache}/comm"			COMM_CACHE="${XDG_CACHE_HOME:-$HOME/.cache}/comm"
	fi			fi

	COMM_EMITTED_WARNING="$COMM_CACHE/powerline_warning"			mkdir -p "$COMM_CACHE"
				COMM_POWERLINE="$COMM_CACHE/enable-powerline"

	# Only emit this the first time, as it's suprising to the user for the prompt			# Only emit this the first time, as it's suprising to the user for the prompt
	# to be replaced, but avoid emitting the warning on subsequent invocations			# to be replaced, but avoid emitting the warning on subsequent invocations
	if [[ ! -f "$COMM_EMITTED_WARNING" ]]; then			if [[ ! -e "${COMM_POWERLINE}" ]]; then
	echo "Default prompt found, attempting to enable powerline" >&2			read -r \
				-p "Would you like to enable Powerline as the default bash prompt? [y/N] " \
				response
				case "$response" in
				[yY][eE][sS]\|[yY])
				echo "1" > "${COMM_POWERLINE}"
				;;
				*)
				touch "${COMM_POWERLINE}"
				;;
				esac
				fi

	# Create file to ensure it exists for next time this is run			# If empty, user want's to use native prompt
	mkdir -p "$COMM_CACHE"			if [[ ! -s "${COMM_POWERLINE}" ]]; then
	touch "$COMM_EMITTED_WARNING"			return 0
	fi			fi

	# Check if the powerline fonts are installed			# Check if the powerline fonts are installed
	# If the font is missing then many of the glyphs will render as ?			# If the font is missing then many of the glyphs will render as ?
	# Adapted from https://github.com/powerline/fonts/blob/master/install.sh			# Adapted from https://github.com/powerline/fonts/blob/master/install.sh
	if test "$(uname)" = "Darwin" ; then			if test "$(uname)" = "Darwin" ; then
	# MacOS			# MacOS
	font_dir="$HOME/Library/Fonts"			font_dir="$HOME/Library/Fonts"
	else			else
	# Linux			# Linux
	font_dir="${XDG_DATA_HOME:-$HOME/.local/share}/fonts"			font_dir="${XDG_DATA_HOME:-$HOME/.local/share}/fonts"
	mkdir -p "$font_dir"			mkdir -p "$font_dir"
	fi			fi

	if [[ ! -f "$font_dir/Droid Sans Mono for Powerline.otf" ]]; then			if [[ ! -f "$font_dir/Droid Sans Mono for Powerline.otf" ]]; then
	if [[ ! -d "${powerline_fonts:-/doesnt-exist}" ]]; then			if [[ ! -d "${powerline_fonts:-/doesnt-exist}" ]]; then
	echo "Unable to determine powerline fonts location" >&2			echo "Unable to determine powerline fonts location" >&2
	return 1			return 1
	fi			fi

	echo "Installing powerline fonts" >&2			echo "Installing Powerline fonts" >&2
	find "$powerline_fonts" \			find "$powerline_fonts" \
	$ -name ".[ot]tf" -or -name ".pcf.gz" $ -type f -print0 \			$ -name ".[ot]tf" -or -name ".pcf.gz" $ -type f -print0 \
	\| xargs -0 -n1 -I % cp "%" "$font_dir/"			\| xargs -0 -n1 -I % cp "%" "$font_dir/"

	if test "$(uname)" = "Darwin" ; then			if test "$(uname)" = "Darwin" ; then

	if [[ "$TERM_PROGRAM" == "Apple_Terminal" ]]; then			if [[ "$TERM_PROGRAM" == "Apple_Terminal" ]]; then
	echo "For glyph support, please:			echo "For glyph support, please:
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native/schema/CommRustModuleSchema.js

[native] add CommRustModule spec
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