def add_file(self, fs_dir, f):
fn = os.path.join(fs_dir, f.name)
if f.ftype == fs.REGULAR:
dbf = self.body_db.file_db.files[f.file_id]
self.body_db.file_store.extract_file(fn, dbf.offset, dbf.zlength)
elif f.ftype == fs.SYMLINK:
os.symlink(f.target, fn)
elif f.ftype == fs.SOCKET:
s = socket.socket(socket.AF_UNIX)
s.bind(fn)
s.close()
elif f.ftype == fs.FIFO:
os.mkfifo(fn, f.mode)
else:
mode = f.mode | stat.S_IFBLK if f.ftype == fs.BLOCKDEV else stat.S_IFCHR
device = os.makedev(f.major, f.minor)
os.mknod(fn, mode, device)
try:
os.lchown(fn, f.uid, f.gid)
except:
pass
if not f.ftype == fs.SYMLINK:
os.chmod(fn, f.mode)
cwrap.set_nsec_mtime(fn, f.mtime_ns)
def recurse(self, fs_dir, patch_dir, forward):
file_adds = patch_dir.adds if forward else patch_dir.removes
file_removes = patch_dir.removes if forward else patch_dir.adds
add_type = patch_dir.ADDED if forward else patch_dir.REMOVED
remove_type = patch_dir.REMOVED if forward else patch_dir.ADDED
dir_adds = [pd for pd in patch_dir.subdirs.itervalues() if pd.state == add_type]
dir_removes = [pd for pd in patch_dir.subdirs.itervalues() if pd.state == remove_type]
meta_mods = dict()
idx = 0 if forward else 1
for k, v in patch_dir.meta_changes.iteritems():
meta_mods[k] = v[idx]
# Order:
# 1. File Removes
# 2. Recursive Directory Removes
# 3. File Additions
# 4. Recursive Directory Additions
# 5. Metadata changes
for f in file_removes.itervalues():
os.unlink(os.path.join(fs_dir, f.name))
for subd in dir_removes:
fsd = os.path.join(fs_dir, subd.name)
self.recurse(fsd, subd, forward)
os.rmdir(fsd)
for f in file_adds.itervalues():
self.add_file(fs_dir, f)
for subd in dir_adds:
fsd = os.path.join(fs_dir, subd.name)
os.mkdir(fsd, 0700)
self.recurse(fsd, subd, forward)
self.set_meta(fsd, subd.uid, subd.gid, subd.mode)
cwrap.set_nsec_mtime(fsd, subd.mtime_ns)
for k, v in meta_mods.iteritems():
uid, gid, mode = v
self.set_meta(os.path.join(fs_dir, k), uid, gid, mode)