Adds compare with branch command

Adds branches quick pick

src/git/git.ts

@@ -57,7 +57,7 @@ export class Git {
         return data;
     }
 
-    static async getVersionedFile(fileName: string, repoPath: string, branchOrSha: string) {
+    static async getVersionedFile(repoPath: string, fileName: string, branchOrSha: string) {
         const data = await Git.show(repoPath, fileName, branchOrSha);
 
         const suffix = Git.isSha(branchOrSha) ? branchOrSha.substring(0, 8) : branchOrSha;
@@ -70,7 +70,7 @@ export class Git {
                         return;
                     }
 
-                    Logger.log(`getVersionedFile(${fileName}, ${repoPath}, ${branchOrSha}); destination=${destination}`);
+                    Logger.log(`getVersionedFile('${repoPath}', '${fileName}', ${branchOrSha}); destination=${destination}`);
                     fs.appendFile(destination, data, err => {
                         if (err) {
                             reject(err);
@@ -127,6 +127,12 @@ export class Git {
         return gitCommand(root, ...params, `--`, file);
     }
 
+    static branch(repoPath: string) {
+        const params = [`branch`, `-a`];
+
+        return gitCommand(repoPath, ...params);
+    }
+
     static diff_nameStatus(repoPath: string, sha1?: string, sha2?: string) {
         const params = [`diff`, `--name-status`, `-M`];
         if (sha1) {

src/git/gitEnrichment.ts

@@ -209,4 +209,32 @@ const statusOcticonsMap = {
 };
 export function getGitStatusIcon(status: GitFileStatus, missing: string = '\u00a0\u00a0\u00a0\u00a0'): string {
     return statusOcticonsMap[status] || missing;
+}
+
+export class GitBranch {
+
+    current: boolean;
+    name: string;
+    remote: boolean;
+
+    constructor(branch: string) {
+        branch = branch.trim();
+
+        if (branch.startsWith('* ')) {
+            branch = branch.substring(2);
+            this.current = true;
+        }
+
+        if (branch.startsWith('remotes/')) {
+            branch = branch.substring(8);
+            this.remote = true;
+        }
+
+        const index = branch.indexOf(' ');
+        if (index !== -1) {
+            branch = branch.substring(0, index);
+        }
+
+        this.name = branch;
+    }
 }