generic-poky/scripts/gen-lockedsig-cache

75 lines
2.0 KiB
Python
Executable File

#!/usr/bin/env python3
import os
import sys
import glob
import shutil
import errno
def mkdir(d):
try:
os.makedirs(d)
except OSError as e:
if e.errno != errno.EEXIST:
raise e
if len(sys.argv) < 5:
print("Incorrect number of arguments specified")
print("syntax: gen-lockedsig-cache <locked-sigs.inc> <input-cachedir> <output-cachedir> <nativelsbstring> [filterfile]")
sys.exit(1)
filterlist = []
if len(sys.argv) > 5:
print('Reading filter file %s' % sys.argv[5])
with open(sys.argv[5]) as f:
for l in f.readlines():
if ":" in l:
filterlist.append(l.rstrip())
print('Reading %s' % sys.argv[1])
sigs = []
with open(sys.argv[1]) as f:
for l in f.readlines():
if ":" in l:
task, sig = l.split()[0].rsplit(':', 1)
if filterlist and not task in filterlist:
print('Filtering out %s' % task)
else:
sigs.append(sig)
print('Gathering file list')
files = set()
for s in sigs:
p = sys.argv[2] + "/" + s[:2] + "/*" + s + "*"
files |= set(glob.glob(p))
p = sys.argv[2] + "/%s/" % sys.argv[4] + s[:2] + "/*" + s + "*"
files |= set(glob.glob(p))
print('Processing files')
for f in files:
sys.stdout.write('Processing %s... ' % f)
_, ext = os.path.splitext(f)
if not ext in ['.tgz', '.siginfo', '.sig']:
# Most likely a temp file, skip it
print('skipping')
continue
dst = os.path.join(sys.argv[3], os.path.relpath(f, sys.argv[2]))
destdir = os.path.dirname(dst)
mkdir(destdir)
src = os.path.realpath(f)
if os.path.exists(dst):
os.remove(dst)
if (os.stat(src).st_dev == os.stat(destdir).st_dev):
print('linking')
try:
os.link(src, dst)
except OSError as e:
print('hard linking failed, copying')
shutil.copyfile(src, dst)
else:
print('copying')
shutil.copyfile(src, dst)
print('Done!')