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#!/usr/bin/env python3
"""Apply lipo recursively to trees.
"""
import sys
import os
import shutil
import subprocess
# Parse arguments
import argparse
parser = argparse.ArgumentParser(
description=sys.modules[__name__].__doc__,
formatter_class=argparse.RawDescriptionHelpFormatter,
)
parser.add_argument("output", help="Output tree")
parser.add_argument("input", help="Input trees", nargs="+")
options = parser.parse_args()
output = options.output
inputs = options.input
def ismacho(path):
"""Check if a file is Mach-O"""
fnull = open(os.devnull, "w")
try:
subprocess.check_call(["lipo", "-info", path], stdout=fnull, stderr=fnull)
except subprocess.CalledProcessError:
return False
return True
# Copy
for root, dirs, files in os.walk(inputs[0]):
# Create root directory in output
oroot = root[len(inputs[0]) :].lstrip("/")
oroot = os.path.join(output, oroot)
if not os.path.isdir(oroot):
os.makedirs(oroot)
shutil.copystat(root, oroot)
# Copy files
for f in files:
of = os.path.join(oroot, f)
f = os.path.join(root, f)
if os.path.islink(f):
# Symlink
linkto = os.readlink(f)
os.symlink(linkto, of)
elif ismacho(f):
sff = [os.path.join(r, f[len(inputs[0]) :].lstrip("/")) for r in inputs]
args = ["lipo", "-create", "-output", of]
args.extend(sff)
subprocess.check_call(args)
else:
# Regular file, just copy from the first input directory
shutil.copyfile(f, of)
shutil.copystat(f, of)
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