fix issue #1962 - ignoredDependenices multiple install run

lib/core/Manager.js

@@ -25,8 +25,11 @@ Manager.prototype.configure = function (setup) {
     var targetsHash = {};
     this._conflicted = {};
 
-    // Targets
-    this._targets = setup.targets || [];
+    // Targets - ignore those specified in ignoredDependencies
+    this._targets = mout.array.reject(setup.targets || [], function(target) {
+      return mout.array.contains(this._config.ignoredDependencies, target.name );
+    }, this);
+
     this._targets.forEach(function (decEndpoint) {
         decEndpoint.initialName = decEndpoint.name;
         decEndpoint.dependants = mout.object.values(decEndpoint.dependants);

test/commands/install.js

@@ -316,6 +316,44 @@ describe('bower install', function () {
 
   });
 
+  it('does not install ignored dependencies if run multiple times', function() {
+    package.prepare();
+    var package2 = new helpers.TempDir({
+      'bower.json': {
+        name: 'package2',
+      }
+    }).prepare();
+
+    var package3 = new helpers.TempDir({
+      'bower.json': {
+        name: 'package3',
+        dependencies: {
+          package2: package2.path,
+          package: package.path,
+        }
+      }
+    }).prepare();
+
+    tempDir.prepare({
+      'bower.json': {
+        name: 'test_tw',
+        dependencies: {
+          package3: package3.path
+        }
+      },
+      '.bowerrc': {
+        ignoredDependencies: ['package']
+      }
+    });
+    return helpers.run(install).then(function() {
+      return helpers.run(install).then(function() {
+        expect(tempDir.exists('bower_components/package')).to.be(false);
+        expect(tempDir.exists('bower_components/package2')).to.be(true);
+      });
+    });
+
+  });
+
   it('recognizes proxy option in config', function () {
     this.timeout(10000);
 

test/commands/update.js

@@ -125,6 +125,43 @@ describe('bower update', function () {
 
     });
 
+    it('does not install ignored dependencies if run multiple times', function() {
+      var package3 = new helpers.TempDir({
+          'bower.json': {
+              name: 'package3'
+          }
+      }).prepare();
+
+      var package2 = new helpers.TempDir({
+          'bower.json': {
+              name: 'package2',
+              dependencies: {
+                package3: package3.path
+              }
+          }
+      }).prepare();
+
+      tempDir.prepare({
+          'bower.json': {
+              name: 'test',
+              dependencies: {
+                  package2: package2.path
+              }
+          },
+          '.bowerrc': {
+              ignoredDependencies: ['package3']
+          }
+      });
+
+      return update().then(function() {
+          return update().then(function() {
+            expect(tempDir.exists('bower_components/package2/bower.json')).to.equal(true);
+            expect(tempDir.exists('bower_components/package3')).to.equal(false);
+          });
+      });
+
+    });
+
     it('runs preinstall hook when installing missing package', function () {
         package.prepare();