core: BoxMetadata#version can constrain by providers

lib/vagrant/box_metadata.rb

@@ -45,15 +45,19 @@ module Vagrant
     #   be a constraint.
     # @return [Version] The matching version or nil if a matching
     #   version was not found.
-    def version(version)
+    def version(version, **opts)
       requirements = version.split(",").map do |v|
         Gem::Requirement.new(v.strip)
       end
 
+      providers = nil
+      providers = Array(opts[:provider]) if opts[:provider]
+
       @version_map.keys.sort.reverse.each do |v|
-        if requirements.all? { |r| r.satisfied_by?(v) }
+        next if !requirements.all? { |r| r.satisfied_by?(v) }
-          return Version.new(@version_map[v])
+        version = Version.new(@version_map[v])
-        end
+        next if (providers & version.providers).empty? if providers
+        return version
       end
 
       nil

test/unit/vagrant/box_metadata_test.rb

@@ -12,13 +12,24 @@ describe Vagrant::BoxMetadata do
         "description": "bar",
         "versions": [
           {
-            "version": "1.0.0"
+            "version": "1.0.0",
+            "providers": [
+              { "name": "virtualbox" },
+              { "name": "vmware" }
+            ]
           },
           {
-            "version": "1.1.5"
+            "version": "1.1.5",
+            "providers": [
+              { "name": "virtualbox" }
+            ]
           },
           {
-            "version": "1.1.0"
+            "version": "1.1.0",
+            "providers": [
+              { "name": "virtualbox" },
+              { "name": "vmware" }
+            ]
           }
         ]
       }
@@ -64,6 +75,13 @@ describe Vagrant::BoxMetadata do
       expect(result).to be_kind_of(Vagrant::BoxMetadata::Version)
       expect(result.version).to eq("1.0.0")
     end
+
+    it "matches the constraint that has the given provider" do
+      result = subject.version(">= 0", provider: "vmware")
+      expect(result).to_not be_nil
+      expect(result).to be_kind_of(Vagrant::BoxMetadata::Version)
+      expect(result.version).to eq("1.1.0")
+    end
   end
 
   describe "#versions" do