Adds GitLab remote link support

Adds Bitbucket remote link support
Adds Visual Studio Team Services remote link support

src/git/remotes/bitbucket.ts

@@ -0,0 +1,27 @@
+'use strict';
+import { RemoteProvider } from './provider';
+
+export class BitbucketService extends RemoteProvider {
+
+    constructor(public domain: string, public path: string) {
+        super(domain, path);
+    }
+
+    get name() {
+        return 'Bitbucket';
+    }
+
+    protected getUrlForBranch(branch: string): string {
+        return `${this.baseUrl}/commits/branch/${branch}`;
+    }
+
+    protected getUrlForCommit(sha: string): string {
+        return `${this.baseUrl}/commits/${sha}`;
+    }
+
+    protected getUrlForFile(fileName: string, branch?: string, sha?: string): string {
+        if (sha) return `${this.baseUrl}/src/${sha}/${fileName}`;
+        if (branch) return `${this.baseUrl}/src/${branch}/${fileName}`;
+        return `${this.baseUrl}?path=${fileName}`;
+    }
+}

src/git/remotes/factory.ts

@@ -1,12 +1,18 @@
 'use strict';
 import { RemoteProvider } from './provider';
+import { BitbucketService } from './bitbucket';
 import { GitHubService } from './github';
+import { GitLabService } from './gitlab';
+import { VisualStudioService } from './visualStudio';
 import { Logger } from '../../logger';
 
 export { RemoteProvider };
 
 const providerMap = new Map<string, (domain: string, path: string) => RemoteProvider>([
-    ['github.com', (domain: string, path: string) => new GitHubService(domain, path)]
+    ['bitbucket.org', (domain: string, path: string) => new BitbucketService(domain, path)],
+    ['github.com', (domain: string, path: string) => new GitHubService(domain, path)],
+    ['gitlab.com', (domain: string, path: string) => new GitLabService(domain, path)],
+    ['visualstudio.com', (domain: string, path: string) => new VisualStudioService(domain, path)]
 ]);
 
 const UrlRegex = /^(?:git:\/\/(.*?)\/|https:\/\/(.*?)\/|http:\/\/(.*?)\/|git@(.*):\/\/|ssh:\/\/git@(.*?)\/)(.*)$/;
@@ -19,7 +25,11 @@ export class RemoteProviderFactory {
             const domain = match[1] || match[2] || match[3] || match[4] || match[5];
             const path = match[6].replace(/\.git/, '');
 
-            const creator = providerMap.get(domain);
+            const key = domain.toLowerCase().endsWith('visualstudio.com')
+                ? 'visualstudio.com'
+                : domain;
+
+            const creator = providerMap.get(key.toLowerCase());
             if (!creator) return undefined;
 
             return creator(domain, path);

src/git/remotes/github.ts

@@ -12,7 +12,7 @@ export class GitHubService extends RemoteProvider {
     }
 
     protected getUrlForBranch(branch: string): string {
-        return `${this.baseUrl}/tree/${branch}`;
+        return `${this.baseUrl}/commits/${branch}`;
     }
 
     protected getUrlForCommit(sha: string): string {

src/git/remotes/gitlab.ts

@@ -0,0 +1,13 @@
+'use strict';
+import { GitHubService } from './github';
+
+export class GitLabService extends GitHubService {
+
+    constructor(public domain: string, public path: string) {
+        super(domain, path);
+    }
+
+    get name() {
+        return 'GitLab';
+    }
+}

src/git/remotes/visualStudio.ts

@@ -0,0 +1,27 @@
+'use strict';
+import { RemoteProvider } from './provider';
+
+export class VisualStudioService extends RemoteProvider {
+
+    constructor(public domain: string, public path: string) {
+        super(domain, path);
+    }
+
+    get name() {
+        return 'Visual Studio Team Services';
+    }
+
+    protected getUrlForBranch(branch: string): string {
+        return `${this.baseUrl}/?version=GB${branch}&_a=history`;
+    }
+
+    protected getUrlForCommit(sha: string): string {
+        return `${this.baseUrl}/commit/${sha}`;
+    }
+
+    protected getUrlForFile(fileName: string, branch?: string, sha?: string): string {
+        if (sha) return `${this.baseUrl}/commit/${sha}/?_a=contents&path=%2F${fileName}`;
+        if (branch) return `${this.baseUrl}/?path=%2F${fileName}&version=GB${branch}&_a=contents`;
+        return `${this.baseUrl}?path=%2F${fileName}`;
+    }
+}