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authorMassimiliano Culpo <massimiliano.culpo@gmail.com>2022-08-25 17:55:58 +0200
committerGitHub <noreply@github.com>2022-08-25 17:55:58 +0200
commit8654197c56785e1a573a8e595c1ca213dfa8d191 (patch)
treefaf40d0daacc2c2f82d26d65985cf33a1c491175 /lib
parentb332c1055c242108c660596c1ac4c40fe2d91941 (diff)
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ASP-based solver: prevent the use of hashes that are not available (#32354)
fixes #32348
Diffstat (limited to 'lib')
-rw-r--r--lib/spack/spack/solver/concretize.lp5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/spack/spack/solver/concretize.lp b/lib/spack/spack/solver/concretize.lp
index 48cb0f1d36..9884530306 100644
--- a/lib/spack/spack/solver/concretize.lp
+++ b/lib/spack/spack/solver/concretize.lp
@@ -1059,6 +1059,11 @@ no_flags(Package, FlagType)
% you can't choose an installed hash for a dev spec
:- hash(Package, Hash), variant_value(Package, "dev_path", _).
+% You can't install a hash, if it is not installed
+:- hash(Package, Hash), not installed_hash(Package, Hash).
+% This should be redundant given the constraint above
+:- hash(Package, Hash1), hash(Package, Hash2), Hash1 != Hash2.
+
% if a hash is selected, we impose all the constraints that implies
impose(Hash) :- hash(Package, Hash).