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installers/install.ps1

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+#!/usr/bin/env pwsh
+# Copyright 2018 the Deno authors. All rights reserved. MIT license.
+# TODO(everyone): Keep this script simple and easily auditable.
+
+$ErrorActionPreference = 'Stop'
+
+if ($v) {
+  $Version = "v${v}"
+}
+if ($args.Length -eq 1) {
+  $Version = $args.Get(0)
+}
+
+$FlyctlInstall = $env:FLYCTL_INSTALL
+$BinDir = if ($FlyctlInstall) {
+  "$FlyctlInstall\bin"
+} else {
+  "$Home\.fly\bin"
+}
+
+$FlyctlTgz = "$BinDir\flyctl.tar.gz"
+$FlyctlExe = "$BinDir\flyctl.exe"
+$Target = 'Windows_x86_64'
+
+# GitHub requires TLS 1.2
+[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+
+$FlyctlUri = if (!$Version) {
+  $Response = Invoke-WebRequest 'https://github.com/superfly/flyctl/releases' -UseBasicParsing
+  if ($PSVersionTable.PSEdition -eq 'Core') {
+    $Response.Links |
+      Where-Object { $_.href -like "/superfly/flyctl/releases/download/*/flyctl_*.*.*_${Target}.tar.gz" } |
+      ForEach-Object { 'https://github.com' + $_.href } |
+      Select-Object -First 1
+  } else {
+    $HTMLFile = New-Object -Com HTMLFile
+    if ($HTMLFile.IHTMLDocument2_write) {
+      $HTMLFile.IHTMLDocument2_write($Response.Content)
+    } else {
+      $ResponseBytes = [Text.Encoding]::Unicode.GetBytes($Response.Content)
+      $HTMLFile.write($ResponseBytes)
+    }
+    $HTMLFile.getElementsByTagName('a') |
+      Where-Object { $_.href -like "about:/superfly/flyctl/releases/download/*/flyctl_*.*.*_${Target}.tar.gz" } |
+      ForEach-Object { $_.href -replace 'about:', 'https://github.com' } |
+      Select-Object -First 1
+  }
+} else {
+  "https://github.com/denoland/deno/releases/download/${Version}/deno_${Version}_${Target}.tar.gz"
+}
+
+if (!(Test-Path $BinDir)) {
+  New-Item $BinDir -ItemType Directory | Out-Null
+}
+
+Invoke-WebRequest $FlyctlUri -OutFile $FlyctlTgz -UseBasicParsing
+
+tar xvzCf $BinDir $FlyctlTgz
+
+# if (Get-Command Expand-Archive -ErrorAction SilentlyContinue) {
+#   Expand-Archive $DenoZip -Destination $BinDir -Force
+# } else {
+#   if (Test-Path $DenoExe) {
+#     Remove-Item $DenoExe
+#   }
+#   Add-Type -AssemblyName System.IO.Compression.FileSystem
+#   [IO.Compression.ZipFile]::ExtractToDirectory($DenoZip, $BinDir)
+# }
+
+Remove-Item $FlyctlTgz
+
+$User = [EnvironmentVariableTarget]::User
+$Path = [Environment]::GetEnvironmentVariable('Path', $User)
+if (!(";$Path;".ToLower() -like "*;$BinDir;*".ToLower())) {
+  [Environment]::SetEnvironmentVariable('Path', "$Path;$BinDir", $User)
+  $Env:Path += ";$BinDir"
+}
+
+Write-Output "Flyctl was installed successfully to $FlyctlExe"
+Write-Output "Run 'flyctl --help' to get started"

installers/install.sh

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+#!/bin/sh
+# Based on Deno installer: Copyright 2019 the Deno authors. All rights reserved. MIT license.
+# TODO(everyone): Keep this script simple and easily auditable.
+
+set -e
+
+if [ "$(uname -m)" != "x86_64" ]; then
+	echo "Error: Unsupported architecture $(uname -m). Only x64 binaries are available." 1>&2
+	exit 1
+fi
+
+# We are using tar and its inbuilt uncompress - no need to check for command availability
+
+case $(uname -s) in
+Darwin) target="macOS_x86_64" ;;
+*) target="Linux_x86_64" ;;
+esac
+
+if [ $# -eq 0 ]; then
+	flyctl_asset_path=$(
+		curl -sSf https://github.com/superfly/flyctl/releases |
+			grep -E -o "/superfly/flyctl/releases/download/.*/flyctl_[0-9]+\\.[0-9]+\\.[0-9]+_${target}.tar.gz" |
+			head -n 1
+	)
+	if [ ! "$flyctl_asset_path" ]; then
+		echo "Error: Unable to find latest Flyctl release on GitHub." 1>&2
+		exit 1
+	fi
+	flyctl_uri="https://github.com${flyctl_asset_path}"
+else
+	flyctl_uri="https://github.com/superfly/flyctl/releases/download/${1}/deno-${target}.tar.gz"
+fi
+
+flyctl_install="${FLYCTL_INSTALL:-$HOME/.fly}"
+
+bin_dir="$flyctl_install/bin"
+exe="$bin_dir/flyctl"
+
+if [ ! -d "$bin_dir" ]; then
+ 	mkdir -p "$bin_dir"
+fi
+
+curl --fail --location --progress-bar --output "$exe.tar.gz" "$flyctl_uri"
+cd "$bin_dir"
+tar xzf "$exe.tar.gz"
+chmod +x "$exe"
+rm "$exe.tar.gz"
+
+echo "Flyctl was installed successfully to $exe"
+if command -v flyctl >/dev/null; then
+	echo "Run 'flyctl --help' to get started"
+else
+	case $SHELL in
+	/bin/zsh) shell_profile=".zshrc" ;;
+	*) shell_profile=".bash_profile" ;;
+	esac
+	echo "Manually add the directory to your \$HOME/$shell_profile (or similar)"
+	echo "  export FLYCTL_INSTALL=\"$flyctl_install\""
+	echo "  export PATH=\"\$FLYCTL_INSTALL/bin:\$PATH\""
+	echo "Run '$exe --help' to get started"
+fi