Add command to remove remotes

grgit-core/src/main/groovy/org/ajoberstar/grgit/operation/RemoteRemoveOp.groovy

@@ -0,0 +1,34 @@
+package org.ajoberstar.grgit.operation
+
+import java.util.concurrent.Callable
+
+import org.ajoberstar.grgit.Repository
+import org.ajoberstar.grgit.internal.Operation
+import org.eclipse.jgit.lib.Config
+
+/**
+ * Removes a remote from the repository.
+ * @see <a href="http://ajoberstar.org/grgit/grgit-remote.html">grgit-remote</a>
+ * @see <a href="http://git-scm.com/docs/git-remote">git-remote Manual Page</a>
+ */
+@Operation('remove')
+class RemoteRemoveOp implements Callable<Void> {
+
+    private final Repository repository
+
+    /**
+     * Name of the remote.
+     */
+    String name
+
+    RemoteRemoveOp(Repository repo) {
+        this.repository = repo
+    }
+
+    @Override
+    Void call() {
+        Config config = repository.jgit.repository.config
+        config.unsetSection("remote", name)
+        config.save();
+    }
+}

grgit-core/src/main/groovy/org/ajoberstar/grgit/service/RemoteService.groovy

@@ -4,6 +4,7 @@ import org.ajoberstar.grgit.Repository
 import org.ajoberstar.grgit.internal.WithOperations
 import org.ajoberstar.grgit.operation.RemoteAddOp
 import org.ajoberstar.grgit.operation.RemoteListOp
+import org.ajoberstar.grgit.operation.RemoteRemoveOp
 
 /**
  * Provides support for remote-related operations on a Git repository.
@@ -17,9 +18,10 @@ import org.ajoberstar.grgit.operation.RemoteListOp
  * <ul>
  *   <li>{@link org.ajoberstar.grgit.operation.RemoteAddOp add}</li>
  *   <li>{@link org.ajoberstar.grgit.operation.RemoteListOp list}</li>
+ *   <li>{@link org.ajoberstar.grgit.operation.RemoteRemoveOp remove}</li>
  * </ul>
  */
-@WithOperations(instanceOperations=[RemoteListOp, RemoteAddOp])
+@WithOperations(instanceOperations=[RemoteListOp, RemoteAddOp, RemoteRemoveOp])
 class RemoteService {
   private final Repository repository
 

grgit-core/src/test/groovy/org/ajoberstar/grgit/operation/RemoveRemoveOpSpec.groovy

@@ -0,0 +1,14 @@
+package org.ajoberstar.grgit.operation
+
+import org.ajoberstar.grgit.fixtures.SimpleGitOpSpec
+
+class RemoveRemoveOpSpec extends SimpleGitOpSpec {
+    def 'remote with given name is removed'() {
+        given:
+        grgit.remote.add(name: 'newRemote', url: 'http://fetch.url/')
+        when:
+        grgit.remote.remove(name: 'newRemote')
+        then:
+        [] == grgit.remote.list()
+    }
+}