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drager committed Jun 17, 2023
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30 changes: 30 additions & 0 deletions _installer/build-installer.rs
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use std::fs;

fn main() {
fs::create_dir_all("docs/installer").unwrap();
fs::copy(
"docs/_installer/wasm-pack.js",
"docs/installer/wasm-pack.js",
).unwrap();
let index = fs::read_to_string("docs/_installer/index.html").unwrap();
fs::write(
"docs/installer/index.html",
fixup(&index),
).unwrap();

let init = fs::read_to_string("docs/_installer/init.sh").unwrap();
fs::write(
"docs/installer/init.sh",
fixup(&init),
).unwrap();
}

fn fixup(input: &str) -> String {
let manifest = fs::read_to_string("Cargo.toml").unwrap();
let version = manifest.lines()
.find(|line| line.starts_with("version ="))
.unwrap();
let version = &version[version.find('"').unwrap() + 1..version.rfind('"').unwrap()];

input.replace("$VERSION", &format!("v{}", version))
}
102 changes: 102 additions & 0 deletions _installer/index.html
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<!DOCTYPE html>
<head>
<meta charset="utf-8">
<title>wasm-pack</title>
<link href="https://cdnjs.cloudflare.com/ajax/libs/skeleton/2.0.4/skeleton.min.css" rel="stylesheet">
<link rel="stylesheet" href="../public/custom.css"/>
<style>
.winlink {
display: block;
}
</style>
<link rel="apple-touch-icon" sizes="180x180" href="../apple-touch-icon.png">
<link rel="icon" type="image/png" sizes="32x32" href="../favicon-32x32.png">
<link rel="icon" type="image/png" sizes="16x16" href="../favicon-16x16.png">
<link rel="manifest" href="../site.webmanifest">
<link rel="mask-icon" href="../safari-pinned-tab.svg" color="#5bbad5">
<meta name="msapplication-TileColor" content="#00aba9">
<meta name="theme-color" content="#ffffff">
</head>
<body>
<nav class="navbar">
<div class="container">
<ul class="navbar-list">
<li class="navbar-logo">
<a href="/wasm-pack">
<img src="../public/img/rustwasm.png">
</a>
</li>
<li class="navbar-item">
<a href="https://github.com/rustwasm/wasm-pack/issues/new/choose">File an Issue</a>
</li>
<li class="navbar-item">
<a href="/wasm-pack/book">Documentation</a>
</li>
<li class="navbar-item">
<a href="/wasm-pack/installer">Install</a>
</li>
</ul>
</div>
</nav>
<section id="installer">
<img src="../public/img/wasm-ferris.png">
<h1>Install <code>wasm-pack</code></h1>
<div class="container">
<div id="platform-instructions-unix" style="display: none;">
<p>
You appear to be running a *nix system (Unix, Linux, MacOS).
Install by running:
</p>
<pre class="primary">curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh</pre>
<p>
If you're not on *nix, or you don't like installing from <b>curl</b>,
follow the alternate instructions below.
</p>
</div>

<div id="platform-instructions-win64" style="display: none;">
<p>
You appear to be running Windows 64-bit. Download and run
<a class="winlink" href="https://github.com/rustwasm/wasm-pack/releases/download/$VERSION/wasm-pack-init.exe">wasm-pack-init.exe</a>
then follow the onscreen instructions.
</p>
<hr/>
<p>
If you're a Windows Subsystem for Linux user, run the following in your
terminal, then follow the onscreen instructions to install wasm-pack.
</p>
<pre class="primary">curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh</pre>
<p>If you're not on Windows 64-bit, follow the alternate instructions below.</p>
</div>

<div id="platform-instructions-unknown" style="display: none;">
<p>I don't recognize your platform.</p>
<p>
We would appreciate it if you
<a href="https://github.com/rustwasm/wasm-pack/issues/new">reported an issue</a>,
along with the following values:
</p>
<div>
<div>navigator.platform:</div>
<div id="nav-plat"></div>
<div>navigator.appVersion:</div>
<div id="nav-app"></div>
</div>
</div>

<hr />

<div id="generic-instructions">
<p>
To install from source on any platform:
</p>
<p><code>cargo install wasm-pack</code></p>
<p>
On supported platforms, you can also use <b>npm</b> or <b>yarn</b> to download a precompiled binary:
</p>
<p><code>npm install -g wasm-pack</code> or <code>yarn global add wasm-pack</code></p>
</div>
</div>
</section>
<script type="text/javascript" src="wasm-pack.js"></script>
</body>
211 changes: 211 additions & 0 deletions _installer/init.sh
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#!/bin/bash
# Copyright 2016 The Rust Project Developers. See the COPYRIGHT
# file at the top-level directory of this distribution and at
# http://rust-lang.org/COPYRIGHT.
#
# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
# option. This file may not be copied, modified, or distributed
# except according to those terms.

# This is just a little script that can be downloaded from the internet to
# install wasm-pack. It just does platform detection, downloads the installer
# and runs it.

set -u

UPDATE_ROOT="https://github.com/rustwasm/wasm-pack/releases/download/$VERSION"

main() {
downloader --check
need_cmd uname
need_cmd mktemp
need_cmd chmod
need_cmd mkdir
need_cmd rm
need_cmd rmdir
need_cmd tar
need_cmd which
need_cmd dirname

get_architecture || return 1
local _arch="$RETVAL"
assert_nz "$_arch" "arch"

local _ext=""
case "$_arch" in
*windows*)
_ext=".exe"
;;
esac

which rustup > /dev/null 2>&1
need_ok "failed to find Rust installation, is rustup installed?"
local _rustup=`which rustup`
local _tardir="wasm-pack-$VERSION-${_arch}"
local _url="$UPDATE_ROOT/${_tardir}.tar.gz"
local _dir="$(mktemp -d 2>/dev/null || ensure mktemp -d -t wasm-pack)"
local _file="$_dir/input.tar.gz"
local _wasmpack="$_dir/wasm-pack$_ext"
local _wasmpackinit="$_dir/wasm-pack-init$_ext"

printf '%s\n' 'info: downloading wasm-pack' 1>&2

ensure mkdir -p "$_dir"
downloader "$_url" "$_file"
if [ $? != 0 ]; then
say "failed to download $_url"
say "this may be a standard network error, but it may also indicate"
say "that wasm-pack's release process is not working. When in doubt"
say "please feel free to open an issue!"
exit 1
fi
ensure tar xf "$_file" --strip-components 1 -C "$_dir"
mv "$_wasmpack" "$_wasmpackinit"

# The installer may want to ask for confirmation on stdin for various
# operations. We were piped through `sh` though so we probably don't have
# access to a tty naturally. If it looks like we're attached to a terminal
# (`-t 1`) then pass the tty down to the installer explicitly.
if [ -t 1 ]; then
"$_wasmpackinit" "$@" < /dev/tty
else
"$_wasmpackinit" "$@"
fi

local _retval=$?

ignore rm -rf "$_dir"

return "$_retval"
}

get_architecture() {
local _ostype="$(uname -s)"
local _cputype="$(uname -m)"

# This is when installing inside docker, or can be useful to side-step
# the script's built-in platform detection heuristic (if it drifts again in the future)
set +u
if [ -n "$TARGETOS" ]; then
_ostype="$TARGETOS" # probably always linux
fi

if [ -n "$TARGETARCH" ]; then
_cputype="$TARGETARCH"
fi
set -u


if [ "$_ostype" = Darwin -a "$_cputype" = i386 ]; then
# Darwin `uname -s` lies
if sysctl hw.optional.x86_64 | grep -q ': 1'; then
local _cputype=x86_64
fi
fi

case "$_ostype" in
Linux | linux)
local _ostype=unknown-linux-musl
;;

Darwin)
local _ostype=apple-darwin
;;

MINGW* | MSYS* | CYGWIN*)
local _ostype=pc-windows-msvc
;;

*)
err "no precompiled binaries available for OS: $_ostype"
;;
esac

case "$_cputype" in
x86_64 | x86-64 | x64 | amd64)
local _cputype=x86_64
;;
arm64 | aarch64)
local _cputype=aarch64
;;
*)
err "no precompiled binaries available for CPU architecture: $_cputype"

esac

# See https://github.com/rustwasm/wasm-pack/pull/1088
if [ "$_cputype" == "aarch64" ] && [ "$_ostype" == "apple-darwin" ]; then
_cputype="x86_64"
fi

local _arch="$_cputype-$_ostype"

RETVAL="$_arch"
}

say() {
echo "wasm-pack-init: $1"
}

err() {
say "$1" >&2
exit 1
}

need_cmd() {
if ! check_cmd "$1"
then err "need '$1' (command not found)"
fi
}

check_cmd() {
command -v "$1" > /dev/null 2>&1
return $?
}

need_ok() {
if [ $? != 0 ]; then err "$1"; fi
}

assert_nz() {
if [ -z "$1" ]; then err "assert_nz $2"; fi
}

# Run a command that should never fail. If the command fails execution
# will immediately terminate with an error showing the failing
# command.
ensure() {
"$@"
need_ok "command failed: $*"
}

# This is just for indicating that commands' results are being
# intentionally ignored. Usually, because it's being executed
# as part of error handling.
ignore() {
"$@"
}

# This wraps curl or wget. Try curl first, if not installed,
# use wget instead.
downloader() {
if check_cmd curl
then _dld=curl
elif check_cmd wget
then _dld=wget
else _dld='curl or wget' # to be used in error message of need_cmd
fi

if [ "$1" = --check ]
then need_cmd "$_dld"
elif [ "$_dld" = curl ]
then curl -sSfL "$1" -o "$2"
elif [ "$_dld" = wget ]
then wget "$1" -O "$2"
else err "Unknown downloader" # should not reach here
fi
}

main "$@" || exit 1
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