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toolchain.sh · 140 lines · 5.9 KBBash Blame HistoryRaw
Three tarballs where a devShell was 5ce66d5 nandi yesterday1#!/usr/bin/env bash
2# The toolchain the web build needs, fetched by hand.
3#
The last of the Clojure 284b59c nandi 20h ago4# Archives — Flutter (which carries Dart) and Nim —
Three tarballs where a devShell was 5ce66d5 nandi yesterday5# pinned by version and by sha256, unpacked into `.toolchain/`, and put on a
6# PATH. That is the whole of it. No nix, no image, no devShell: a checkout
Six verbs, and the last of the nix 2e24e64 nandi yesterday7# plus this script is a machine that can build any target here, and the same
8# script is what the Modal containers run.
9#
10# The Android SDK is the one thing not fetched by default, because only
Three tarballs where a devShell was 5ce66d5 nandi yesterday11set -euo pipefail
12
13root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
14TC="${FRQ_TOOLCHAIN:-$root/.toolchain}"
15
16# The pins. A version and its hash, and nothing derived at run time: a
17# toolchain that resolves "latest" is a toolchain that changes under you
18# between two builds of the same commit.
19#
20# Flutter 3.47.0 is the version this tree was building with under nix, and
21# its Dart 3.13.0 is what `flutter/pubspec.yaml` asks for with `sdk: ^3.13.0`.
22# To move it: take `version`, `archive` and `sha256` from
23# https://storage.googleapis.com/flutter_infra_release/releases/releases_linux.json
24FLUTTER_VERSION="3.47.0"
25FLUTTER_URL="https://storage.googleapis.com/flutter_infra_release/releases/stable/linux/flutter_linux_${FLUTTER_VERSION}-stable.tar.xz"
26FLUTTER_SHA="26cd99d3d94b1367e6b50535a18aeef0282c10a535bbe3ec493534dcdab75296"
27
28
Six verbs, and the last of the nix 2e24e64 nandi yesterday29# Nim, for `nim/` — the portable core. Upstream's prebuilt linux_x64 tarball,
30# so there is no bootstrap compile here. The core deliberately has no
31# dependencies outside Nim's standard library, so the compiler is all of it.
32#
33# Two things Nim wants from the host rather than from here: a C compiler,
34# because `nim c` shells out to one, and OpenSSL, because `-d:ssl` in
35# nim/nim.cfg makes std/net resolve -lssl and -lcrypto through dynlib at run
36# time. A missing libssl is a SIGSEGV in `newContext` that says nothing about
37# SSL, which is why require_host_tools checks for cc up front.
38NIM_VERSION="2.2.4"
39NIM_URL="https://nim-lang.org/download/nim-${NIM_VERSION}-linux_x64.tar.xz"
40NIM_SHA="791802138aaf19c8579232c50b4998ce2ae2928b791127ce5b4ef3c7af53fb46"
41
42
Three tarballs where a devShell was 5ce66d5 nandi yesterday43# What the host still has to bring. Small, boring, and on every machine and
44# in every base image that is not deliberately empty — but Flutter shells out
45# to `git` on its own SDK and to `unzip` on its downloads, so a missing one
46# fails somewhere far from here with a much worse message than this.
47require_host_tools() {
48 local missing=()
Six verbs, and the last of the nix 2e24e64 nandi yesterday49 for t in curl tar git unzip cc; do
Three tarballs where a devShell was 5ce66d5 nandi yesterday50 command -v "$t" >/dev/null 2>&1 || missing+=("$t")
51 done
52 if [ ${#missing[@]} -gt 0 ]; then
53 echo "toolchain: this needs ${missing[*]} on PATH and cannot fetch them" >&2
54 exit 1
55 fi
56}
57
58# One archive, unpacked once. The stamp holds the hash rather than the
59# version, so re-pointing a pin at the same version with different bytes also
60# refetches, and a half-finished unpack is never mistaken for a finished one:
61# the work happens in `.tmp` and the `mv` at the end is what publishes it.
62install_archive() {
63 local name=$1 url=$2 sha=$3 strip=$4
64 local dest="$TC/$name" stamp="$TC/$name.sha256"
65 if [ -d "$dest" ] && [ "$(cat "$stamp" 2>/dev/null || true)" = "$sha" ]; then
66 return 0
67 fi
68 echo "toolchain: fetching $name" >&2
69 local dl="$TC/.download.$name"
70 rm -rf "$dest" "$dest.tmp" "$dl"
71 mkdir -p "$dest.tmp"
72 curl -fsSL --retry 3 -o "$dl" "$url"
73 echo "$sha $dl" | sha256sum -c - >/dev/null
74 tar -xf "$dl" -C "$dest.tmp" --strip-components="$strip"
75 rm -f "$dl"
76 mv "$dest.tmp" "$dest"
77 echo "$sha" > "$stamp"
78}
79
80# Upstream's install.sh, minus the ruby. The scripts ship with `PREFIX` and
81# `BINDIR` written into them literally and an installer that substitutes the
82# directory it is installing to; this is that, done where the tarball landed.
83
Six verbs, and the last of the nix 2e24e64 nandi yesterday84# The Android SDK, which is a zip rather than a tarball and has to land in a
85# layout sdkmanager recognises: cmdline-tools/latest/, with the tools' own
86# top-level directory renamed. Everything after that — platform-tools, the
87# platform, the build-tools — Gradle asks sdkmanager for as it goes, which is
88# why this directory is ours and writable rather than a read-only artifact.
89#
90
Three tarballs where a devShell was 5ce66d5 nandi yesterday91install_all() {
92 require_host_tools
93 mkdir -p "$TC"
94 install_archive flutter "$FLUTTER_URL" "$FLUTTER_SHA" 1
Six verbs, and the last of the nix 2e24e64 nandi yesterday95 install_archive nim "$NIM_URL" "$NIM_SHA" 1
Three tarballs where a devShell was 5ce66d5 nandi yesterday96}
97
The last of the Clojure 284b59c nandi 20h ago98# The environment, as shell. What would otherwise land in a home directory is
99# named here and kept inside the toolchain instead — one directory to keep on
100# a volume, one directory to delete when it goes wrong.
Three tarballs where a devShell was 5ce66d5 nandi yesterday101#
The last of the Clojure 284b59c nandi 20h ago102# It used to carry a JDK, the Clojure CLI, a maven repo, a gitlibs cache and
103# an Android SDK. All of those were ClojureDart's or the APK's, and both are
104# gone: the toolchain is a Flutter and a Nim now.
Three tarballs where a devShell was 5ce66d5 nandi yesterday105print_env() {
106 cat <<ENV
107export FRQ_TOOLCHAIN="$TC"
108# Flutter's SDK tarball is a git checkout, and the tool shells out to git
109# against it for its version -- which fails with "detected dubious ownership"
110# whenever the files' owner is not the user running the build. That is the
111# normal case on a Modal volume, and the failure is not a warning: the dart
112# process ClojureDart's live analyzer talks to dies with it, and the compile
113# ends at 'EOF while reading' with nothing about git in the message.
114#
115# Said through the environment rather than 'git config --global', so it
116# travels with this shell and writes nothing into anyone's ~/.gitconfig.
117export GIT_CONFIG_COUNT=1
118export GIT_CONFIG_KEY_0=safe.directory
119export GIT_CONFIG_VALUE_0="$TC/flutter"
120export PUB_CACHE="$TC/pub-cache"
The last of the Clojure 284b59c nandi 20h ago121export PATH="$TC/flutter/bin:$TC/nim/bin:\$PATH"
Three tarballs where a devShell was 5ce66d5 nandi yesterday122ENV
123}
124
125case "${1:-install}" in
126 install) install_all ;;
127 env) install_all; print_env ;;
128 exec)
129 install_all
130 shift
131 [ "${1:-}" = "--" ] && shift
132 eval "$(print_env)"
133 exec "$@"
134 ;;
135 versions)
136 echo "flutter $FLUTTER_VERSION"
Six verbs, and the last of the nix 2e24e64 nandi yesterday137 echo "nim $NIM_VERSION"
Three tarballs where a devShell was 5ce66d5 nandi yesterday138 ;;
The last of the Clojure 284b59c nandi 20h ago139 *) echo "usage: toolchain.sh [install|env|exec -- cmd...|versions]" >&2; exit 1 ;;
Three tarballs where a devShell was 5ce66d5 nandi yesterday140esac