diff options
Diffstat (limited to 'lib/spack/spack/spec.py')
| -rw-r--r-- | lib/spack/spack/spec.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py index 380766b245..1ff2fb4677 100644 --- a/lib/spack/spack/spec.py +++ b/lib/spack/spack/spec.py @@ -92,7 +92,7 @@ from six import iteritems from llnl.util.filesystem import find_headers, find_libraries, is_exe from llnl.util.lang import key_ordering, HashableMap, ObjectWrapper, dedupe -from llnl.util.lang import check_kwargs +from llnl.util.lang import check_kwargs, memoized from llnl.util.tty.color import cwrite, colorize, cescape, get_color_when import spack.architecture @@ -2665,6 +2665,7 @@ class Spec(object): return [spec for spec in self.traverse() if spec.virtual] @property + @memoized def patches(self): """Return patch objects for any patch sha256 sums on this Spec. @@ -2674,6 +2675,9 @@ class Spec(object): TODO: this only checks in the package; it doesn't resurrect old patches from install directories, but it probably should. """ + if not self.concrete: + raise SpecError("Spec is not concrete: " + str(self)) + if 'patches' not in self.variants: return [] |