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-rw-r--r--lib/spack/spack/config.py9
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/spack/spack/config.py b/lib/spack/spack/config.py
index 3a66e9f2a6..8b5e96f97d 100644
--- a/lib/spack/spack/config.py
+++ b/lib/spack/spack/config.py
@@ -497,8 +497,15 @@ class ConfigScope(object):
"""Empty cached config information."""
self.sections = {}
+"""Default configuration scope is the lowest-level scope. These are
+ versioned with Spack and can be overridden by sites or users."""
+ConfigScope('defaults', os.path.join(spack.etc_path, 'spack', 'defaults'))
-ConfigScope('site', os.path.join(spack.etc_path, 'spack')),
+"""Site configuration is per spack instance, for sites or projects.
+ No site-level configs should be checked into spack by default."""
+ConfigScope('site', os.path.join(spack.etc_path, 'spack'))
+
+"""User configuration can override both spack defaults and site config."""
ConfigScope('user', os.path.expanduser('~/.spack'))