steam: switch to the newer steam-runtime packaging

Valve has started releasing tarballs of the steam runtime. It seems a
lot easier to download and extract a single tarball than to download a
buncha debs, extract them, and splat em around a bit.

Let's just use the runtime they build. It's a buncha random binary
packages anyway.

Also, the download url for their debs broke, so there's that too.
This commit is contained in:
Euan Kemp 2020-05-07 23:31:00 -07:00
parent d78ba41a56
commit 593c28b886
6 changed files with 11 additions and 4430 deletions

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#!/usr/bin/env python2
#
# Script to build and install packages into the Steam runtime
# Patched version of https://github.com/ValveSoftware/steam-runtime/blob/master/build-runtime.py
import os
import re
import sys
import subprocess
import argparse
import json
# The top level directory
top = sys.path[0]
def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument("-r", "--runtime", help="specify runtime path", default=os.path.join(top,"runtime"))
parser.add_argument("-i", "--input", help="packages JSON", required=True)
return parser.parse_args()
def install_deb (basename, deb, dest_dir):
installtag_dir=os.path.join(dest_dir, "installed")
if not os.access(installtag_dir, os.W_OK):
os.makedirs(installtag_dir)
#
# Unpack the package into the dest_dir
#
os.chdir(top)
subprocess.check_call(['dpkg-deb', '-x', deb, dest_dir])
#
# Walks through the files in the runtime directory and converts any absolute symlinks
# to their relative equivalent
#
def fix_symlinks ():
for dir, subdirs, files in os.walk(args.runtime):
for name in files:
filepath=os.path.join(dir,name)
if os.path.islink(filepath):
target = os.readlink(filepath)
if os.path.isabs(target):
#
# compute the target of the symlink based on the 'root' of the architecture's runtime
#
target2 = os.path.join(args.runtime,target[1:])
#
# Set the new relative target path
#
os.unlink(filepath)
os.symlink(os.path.relpath(target2,dir), filepath)
#
# Creates the usr/lib/debug/.build-id/xx/xxxxxxxxx.debug symlink tree for all the debug
# symbols
#
def fix_debuglinks ():
for dir, subdirs, files in os.walk(os.path.join(args.runtime,"usr/lib/debug")):
if ".build-id" in subdirs:
subdirs.remove(".build-id") # don't recurse into .build-id directory we are creating
for file in files:
#
# scrape the output of readelf to find the buildid for this binary
#
p = subprocess.Popen(["readelf", '-n', os.path.join(dir,file)], stdout=subprocess.PIPE)
for line in iter(p.stdout.readline, ""):
m = re.search('Build ID: (\w{2})(\w+)',line)
if m:
linkdir = os.path.join(args.runtime,"usr/lib/debug/.build-id",m.group(1))
if not os.access(linkdir, os.W_OK):
os.makedirs(linkdir)
link = os.path.join(linkdir,m.group(2))
print "SYMLINKING symbol file %s to %s" % (link, os.path.relpath(os.path.join(dir,file),linkdir))
if os.path.lexists(link):
os.unlink(link)
os.symlink(os.path.relpath(os.path.join(dir,file), linkdir),link)
args = parse_args()
print ("Creating Steam Runtime in %s" % args.runtime)
with open(args.input) as pkgfile:
pkgs = json.load(pkgfile)
for pkg in pkgs:
install_deb(pkg["name"], pkg["source"], args.runtime)
fix_debuglinks()
fix_symlinks()
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{ pkgs ? import <nixpkgs> {} }:
let
inherit (pkgs) lib;
rt = import ./runtime-generated.nix { inherit (pkgs) fetchurl; };
convRt = x: {
path = lib.removePrefix "mirror://steamrt/" x.url;
file = x.source;
};
files = builtins.map convRt (lib.concatLists (lib.attrValues rt));
in pkgs.stdenv.mkDerivation {
name = "steam-runtime-mirror";
buildCommand = ''
mkdir $out
'' + lib.concatMapStringsSep "\n" (x: ''
mkdir -p $(dirname $out/${x.path})
ln -sf ${x.file} $out/${x.path}
'') files;
}

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{ stdenv, steamArch, fetchurl, writeText, python2, dpkg }:
{ stdenv, steamArch, fetchurl, }:
let input = builtins.getAttr steamArch (import ./runtime-generated.nix { inherit fetchurl; });
stdenv.mkDerivation rec {
name = "steam-runtime";
# from https://repo.steampowered.com/steamrt-images-scout/snapshots/
version = "0.20200417.0";
inputFile = writeText "steam-runtime.json" (builtins.toJSON input);
in stdenv.mkDerivation {
name = "steam-runtime-2016-08-13";
nativeBuildInputs = [ python2 dpkg stdenv.cc.bintools ];
src = fetchurl {
url = "https://repo.steampowered.com/steamrt-images-scout/snapshots/${version}/com.valvesoftware.SteamRuntime.Platform-amd64,i386-scout-runtime.tar.gz";
sha256 = "0kps8i5v23sycqm69xz389n8k831jd7ncsmlrkky7nib2q91rbvj";
name = "scout-runtime-${version}.tar.gz";
};
buildCommand = ''
mkdir -p $out
python2 ${./build-runtime.py} -i ${inputFile} -r $out
tar -C $out -x --strip=1 -f $src files/
'';
meta = with stdenv.lib; {

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with import <nixpkgs> {};
(python2.buildEnv.override {
extraLibs = with python2Packages;
[ debian
];
postBuild = ''
mkdir -p $out/bin
for i in ${nixUnstable}/bin/*; do
ln -s $i $out/bin/$(basename $i)
done
'';
}).env

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#! /usr/bin/env nix-shell
#! nix-shell -i python2 -p "with python2Packages; [python debian]"
# Script to build a Nix script to actually build a Steam runtime.
# Patched version of https://github.com/ValveSoftware/steam-runtime/blob/master/build-runtime.py
import os
import re
import sys
import urllib
import gzip
import cStringIO
import subprocess
from debian import deb822
import argparse
destdir="newpkg"
arches=["amd64", "i386"]
REPO="http://repo.steampowered.com/steamrt"
DIST="scout"
COMPONENT="main"
out = open("runtime-generated.nix", "w")
out.write("# This file is autogenerated! Do not edit it yourself, use update-runtime.py for regeneration.\n")
out.write("{ fetchurl }:\n")
out.write("\n")
out.write("{\n")
def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument("-b", "--beta", help="build beta runtime", action="store_true")
parser.add_argument("-d", "--debug", help="build debug runtime", action="store_true")
parser.add_argument("--symbols", help="include debugging symbols", action="store_true")
parser.add_argument("--repo", help="source repository", default=REPO)
return parser.parse_args()
def download_file(file_base, file_name, file_url, sha256):
file_shortname = file_base + ".deb"
out.write(" rec {\n")
out.write(" name = \"%s\";\n" % file_name)
out.write(" sha256 = \"%s\";\n" % sha256)
out.write(" url = \"%s\";\n" % file_url.replace(REPO, "mirror://steamrt", 1))
out.write(" source = fetchurl {\n")
out.write(" inherit url sha256;\n")
out.write(" name = \"%s\";\n" % file_shortname)
out.write(" };\n")
out.write(" }\n")
def parse_dependencies (arch, binarylist):
packages_url = "%s/dists/%s/%s/binary-%s/Packages" % (REPO, DIST, COMPONENT, arch)
for stanza in deb822.Packages.iter_paragraphs(urllib.urlopen(packages_url)):
p = stanza['Package']
if p in binarylist:
for deps in stanza.relations['depends']:
for dep in deps:
binarylist.add(dep['name'])
return binarylist
def install_binaries (arch, binarylist):
installset = parse_dependencies(arch, binarylist.copy())
# Steam doesn't start if we include their libc
installset.remove("libc6")
#
# Load the Packages file so we can find the location of each binary package
#
packages_url = "%s/dists/%s/%s/binary-%s/Packages" % (REPO, DIST, COMPONENT, arch)
print("Downloading %s binaries from %s" % (arch, packages_url))
for stanza in deb822.Packages.iter_paragraphs(urllib.urlopen(packages_url)):
p = stanza['Package']
if p in installset:
print("DOWNLOADING BINARY: %s" % p)
#
# Download the package and install it
#
file_url="%s/%s" % (REPO,stanza['Filename'])
download_file(p, os.path.splitext(os.path.basename(stanza['Filename']))[0], file_url, stanza["SHA256"])
installset.remove(p)
for p in installset:
#
# There was a binary package in the list to be installed that is not in the repo
#
e = "ERROR: Package %s not found in Packages file %s\n" % (p, packages_url)
sys.stderr.write(e)
def install_symbols (arch, binarylist):
#
# Load the Packages file to find the location of each symbol package
#
packages_url = "%s/dists/%s/%s/debug/binary-%s/Packages" % (REPO, DIST, COMPONENT, arch)
print("Downloading %s symbols from %s" % (arch, packages_url))
for stanza in deb822.Packages.iter_paragraphs(urllib.urlopen(packages_url)):
p = stanza['Package']
m = re.match('([\w\-\.]+)\-dbgsym', p)
if m and m.group(1) in binarylist:
print("DOWNLOADING SYMBOLS: %s" % p)
#
# Download the package and install it
#
file_url="%s/%s" % (REPO,stanza['Filename'])
download_file(p, os.path.splitext(os.path.basename(stanza['Filename']))[0], file_url)
args = parse_args()
REPO=args.repo
if args.beta:
DIST="steam_beta"
if args.debug:
COMPONENT = "debug"
# Process packages.txt to get the list of source and binary packages
binary_pkgs = set()
print ("Creating runtime-generated.nix")
# https://github.com/ValveSoftware/steam-runtime/blob/173ef028fb6b84e804f4e1b0ef11c12ffd4f3a8e/build-runtime.py#L264
binary_pkgs.add("steamrt-libs")
binary_pkgs.add("steamrt-legacy")
for arch in arches:
out.write(" %s = [\n" % arch)
install_binaries(arch, binary_pkgs)
if args.symbols:
install_symbols(arch, binary_pkgs)
out.write(" ];\n");
out.write("}\n")
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