99 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			99 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
#!/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()
 | 
						|
 | 
						|
# vi: set noexpandtab:
 |