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Diffstat (limited to 'pkgs/games/steam/build-runtime.py')
| -rw-r--r-- | pkgs/games/steam/build-runtime.py | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/pkgs/games/steam/build-runtime.py b/pkgs/games/steam/build-runtime.py new file mode 100644 index 000000000000..3f23d53b9846 --- /dev/null +++ b/pkgs/games/steam/build-runtime.py @@ -0,0 +1,106 @@ +#!/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, md5, dest_dir): + installtag_dir=os.path.join(dest_dir, "installed") + if not os.access(installtag_dir, os.W_OK): + os.makedirs(installtag_dir) + + # + # Write the tag file and checksum to the 'installed' subdirectory + # + with open(os.path.join(installtag_dir,basename),"w") as f: + subprocess.check_call(['dpkg-deb', '-c', deb], stdout=f) + with open(os.path.join(installtag_dir,basename+".md5"),"w") as f: + f.write("%s %s.deb\n" % (md5, basename)) + + # + # 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"], pkg["md5"], args.runtime) + +fix_debuglinks() +fix_symlinks() + +# vi: set noexpandtab: |