def _fold(self, source, dest):
"""
add the required actions for folding
"""
self._collect_actions(source, dest)
self.actions.add(actions.RemoveDirectory(self.subcmd, dest))
self.actions.add(actions.SymbolicLink(self.subcmd, source, dest))
def _are_same_file(self, source, dest):
"""
what to do if source and dest are the same files
"""
if self.is_unfolding:
self.actions.add(actions.SymbolicLink(self.subcmd, source, dest))
else:
self.actions.add(actions.AlreadyLinked(self.subcmd, source, dest))
def _collect_actions(self, source, dest):
"""
Concrete method to collect required actions to perform a link
sub-command
"""
if dest.exists():
if utils.is_same_file(dest, source):
self.actions.add(
actions.AlreadyLinked(self.subcmd, source, dest))
else:
self.errors.add(
error.ConflictsWithExistingFile(self.subcmd, source, dest))
elif dest.is_symlink():
self.errors.add(
error.ConflictsWithExistingLink(self.subcmd, source, dest))
elif not dest.parent.exists():
self.errors.add(
error.NoSuchDirectoryToSubcmdInto(self.subcmd, dest.parent))
else:
self.actions.add(actions.SymbolicLink(self.subcmd, source, dest))
def _are_other(self, source, dest):
self.actions.add(actions.SymbolicLink(self.subcmd, source, dest))