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#!/bin/sh# Copyright 2019 the Deno authors. All rights reserved. MIT license.# TODO(everyone): Keep this script simple and easily auditable.
set -e
if ! command -v unzip >/dev/null && ! command -v 7z >/dev/null; then	echo "Error: either unzip or 7z is required to install Deno (see: https://github.com/denoland/deno_install#either-unzip-or-7z-is-required )." 1>&2	exit 1fi
if [ "$OS" = "Windows_NT" ]; then	target="x86_64-pc-windows-msvc"else	case $(uname -sm) in	"Darwin x86_64") target="x86_64-apple-darwin" ;;	"Darwin arm64") target="aarch64-apple-darwin" ;;	"Linux aarch64") target="aarch64-unknown-linux-gnu" ;;	*) target="x86_64-unknown-linux-gnu" ;;	esacfi
print_help_and_exit() {	echo "Setup script for installing deno
Options:  -y, --yes    Skip interactive prompts and accept defaults  --no-modify-path    Don't add deno to the PATH environment variable  -h, --help    Print help"	echo "Note: Deno was not installed"	exit 0}
# Initialize variablesshould_run_shell_setup=false
# Simple arg parsing - look for help flag, otherwise# ignore args starting with '-' and take the first# positional arg as the deno version to installfor arg in "$@"; do	case "$arg" in	"-h")		print_help_and_exit		;;	"--help")		print_help_and_exit		;;	"-y")		should_run_shell_setup=true		;;	"--yes")		should_run_shell_setup=true		;;	"-"*) ;;	*)		if [ -z "$deno_version" ]; then			deno_version="$arg"		fi		;;	esacdoneif [ -z "$deno_version" ]; then	deno_version="$(curl -s https://dl.deno.land/release-latest.txt)"fi
deno_uri="https://dl.deno.land/release/${deno_version}/deno-${target}.zip"deno_install="${DENO_INSTALL:-$HOME/.deno}"bin_dir="$deno_install/bin"exe="$bin_dir/deno"
if [ ! -d "$bin_dir" ]; then	mkdir -p "$bin_dir"fi
curl --fail --location --progress-bar --output "$exe.zip" "$deno_uri"if command -v unzip >/dev/null; then	unzip -d "$bin_dir" -o "$exe.zip"else	7z x -o"$bin_dir" -y "$exe.zip"fichmod +x "$exe"rm "$exe.zip"
echo "Deno was installed successfully to $exe"
run_shell_setup() {	$exe run -A --reload jsr:@deno/installer-shell-setup/bundled "$deno_install" "$@"}
# If stdout is a terminal, see if we can run shell setup script (which includes interactive prompts)if { [ -z "$CI" ] && [ -t 1 ]; } || $should_run_shell_setup; then	if $exe eval 'const [major, minor] = Deno.version.deno.split("."); if (major < 2 && minor < 42) Deno.exit(1)'; then		if $should_run_shell_setup; then			run_shell_setup -y "$@" # doublely sure to pass -y to run_shell_setup in this case		else			if [ -t 0 ]; then				run_shell_setup "$@"			else				# This script is probably running piped into sh, so we don't have direct access to stdin.				# Instead, explicitly connect /dev/tty to stdin				run_shell_setup "$@" </dev/tty			fi		fi	fifiif command -v deno >/dev/null; then	echo "Run 'deno --help' to get started"else	echo "Run '$exe --help' to get started"fiechoecho "Stuck? Join our Discord https://discord.gg/deno"