Remove get_dependency_prefix_set

This was used by artifacts to tell what they should put in their path,
based on what prefixes were used earlier.

This implementation didn't handle recursive deps, and it was trivial to
open-code it at the call-site, so it is no longer useful.

1 files changed, 0 insertions, 14 deletions

diff --git a/morphlib/artifact.py b/morphlib/artifact.py
index 4fac69c7..8c299698 100644
--- a/morphlib/artifact.py
+++ b/morphlib/artifact.py
@@ -41,20 +41,6 @@ class Artifact(object):
     def metadata_basename(self, metadata_name):  # pragma: no cover
         return '%s.%s' % (self.basename(), metadata_name)
 
-    def get_dependency_prefix_set(self):
-        '''Collects all install prefixes of this artifact's build dependencies
-
-           If any of the build dependencies of a chunk artifact are installed
-           to non-standard prefixes, we need to add those prefixes to the
-           PATH of the current artifact.
-
-        '''
-        result = set()
-        for d in self.dependencies:
-            if d.source.morphology['kind'] == 'chunk':
-                result.add(d.source.prefix)
-        return result
-
     def __str__(self):  # pragma: no cover
         return '%s|%s' % (self.source, self.name)