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import oe.path
def copyxattrtree(src, dst):
"""
Copy all of the files in src to dst preserving extended attributes
src -- the source to copy from
dst -- the destination to copy to
"""
import subprocess
cmd = "tar --xattrs --xattrs-include='*' -cf - -C %s -p . | tar -p --xattrs --xattrs-include='*' -xf - -C %s" % (src, dst)
subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
def copyxattrfiles(d, filelist, src, dst, archive=False):
"""
copy files preserving extended attributes
d -- the bitbake data store
filelist -- a list of file paths
src -- where to copy the files from
dst -- where to copy the files to
archive -- create archive at dst instead of writing into that directory
"""
import subprocess
import tempfile
bb.utils.mkdirhier(os.path.dirname(dst) if archive else dst)
files = sorted(filelist)
workdir = d.getVar('WORKDIR', True)
fd, copyfile = tempfile.mkstemp(dir=workdir)
os.close(fd)
with open(copyfile, 'w') as fdest:
fdest.write('-C%s\n' % src)
for f in files:
fdest.write('%s\n' % f)
if archive:
cmd = "tar --xattrs --xattrs-include='*' --no-recursion -zcf %s -T %s -p" % (dst, copyfile)
else:
cmd = "tar --xattrs --xattrs-include='*' --no-recursion -cf - -T %s -p | tar -p --xattrs --xattrs-include='*' -xf - -C %s" % (copyfile, dst)
subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
output = subprocess.check_output(cmd, shell=True, stderr=subprocess.STDOUT)
if output:
bb.fatal('Unexpected output from the following command:\n%s\n%s' % (cmd, output))
os.remove(copyfile)
def remove_empty_directories(tree):
"""
remove any empty sub-directories of the passed path
tree -- the root of the tree whose empty children should be deleted
"""
for dir, _, _ in os.walk(tree, topdown=False):
try:
os.rmdir(dir)
except OSError as err:
bb.debug(4, 'Not removing %s (it is probably not empty): %s' % (dir, err.strerror))
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