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minor improvement

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This commit is contained in:
David Glasser
2014-07-24 14:46:02 -07:00
parent a548efe175
commit a5ace22f6c
1 changed files with 2 additions and 1 deletions
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3
packages/constraint-solver/resolver.js
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@@ -255,7 +255,8 @@ ConstraintSolver.Resolver.prototype._stateNeighbors =
};
if (_.isEmpty(candidateVersions)) {
var uv = self.unitsVersions[candidateName][0];
var uv = self.unitsVersions[candidateName] &&
self.unitsVersions[candidateName][0];
if (! uv)
return { success: false, failureMsg: "Cannot find anything about package -- " + candidateName, conflictingUnit: candidateName };