From 1fa38689d87480bb0d291af9b9cf0dbcf7557eb5 Mon Sep 17 00:00:00 2001 From: Gregory Becker Date: Fri, 18 Mar 2016 09:35:56 -0700 Subject: Created flatten_dependencies function that dummy packages can use to create sane install environments. --- lib/spack/spack/directory_layout.py | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'lib') diff --git a/lib/spack/spack/directory_layout.py b/lib/spack/spack/directory_layout.py index 242eb1afa0..9f17404062 100644 --- a/lib/spack/spack/directory_layout.py +++ b/lib/spack/spack/directory_layout.py @@ -33,6 +33,7 @@ import yaml import llnl.util.tty as tty from llnl.util.filesystem import join_path, mkdirp +from llnl.util.link_tree import * from spack.spec import Spec from spack.error import SpackError @@ -131,6 +132,23 @@ class DirectoryLayout(object): raise NotImplementedError() + def flatten_dependencies(self, spec, flat_dir): + """Make each dependency of spec present in dir via symlink.""" + for dep in spec.traverse(root=False): + name = dep.name + + dep_path = self.path_for_spec(dep) + dep_files = LinkTree(dep_path) + + os.mkdir(flat_dir+'/'+name) + + conflict = dep_files.find_conflict(flat_dir+'/'+name) + if conflict: + raise DependencyConflictError(conflict) + + dep_files.merge(flat_dir+'/'+name) + + def path_for_spec(self, spec): """Return an absolute path from the root to a directory for the spec.""" _check_concrete(spec) -- cgit v1.2.3-60-g2f50