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Diffstat (limited to 'lib/spack/llnl/util/link_tree.py')
-rw-r--r--lib/spack/llnl/util/link_tree.py11
1 files changed, 4 insertions, 7 deletions
diff --git a/lib/spack/llnl/util/link_tree.py b/lib/spack/llnl/util/link_tree.py
index 19c2d46938..2d7126be2c 100644
--- a/lib/spack/llnl/util/link_tree.py
+++ b/lib/spack/llnl/util/link_tree.py
@@ -72,8 +72,7 @@ class LinkTree(object):
order=[pre|post] -- Whether to do pre- or post-order traveral.
- ignore=<container> -- Optional container of root-relative
- paths to ignore.
+ ignore=<predicate> -- Predicate indicating which files to ignore.
follow_nonexisting -- Whether to descend into directories in
src that do not exit in dest.
@@ -85,9 +84,7 @@ class LinkTree(object):
raise ValueError("Order must be 'pre' or 'post'.")
# List of relative paths to ignore under the src root.
- ignore = kwargs.get('ignore', None)
- if isinstance(ignore, basestring):
- ignore = (ignore,)
+ ignore = kwargs.get('ignore', lambda filename: False)
# Whether to descend when dirs dont' exist in dest.
follow_nonexisting = kwargs.get('follow_nonexisting', True)
@@ -98,7 +95,7 @@ class LinkTree(object):
dest_dirpath = os.path.join(dest_root, rel_path)
# Don't descend into ignored directories
- if ignore and dest_dirpath in ignore:
+ if ignore(dest_dirpath):
return
# Don't descend into dirs in dest that do not exist in src.
@@ -118,7 +115,7 @@ class LinkTree(object):
# Ignore particular paths inside the install root.
src_relpath = src_file[len(self._root):]
src_relpath = src_relpath.lstrip(os.path.sep)
- if ignore and src_relpath in ignore:
+ if ignore(src_relpath):
continue
yield (src_file, dest_file)