Expose force flag for deleting branch on git extension API

extensions/git/src/api/api1.ts

@@ -128,8 +128,8 @@ export class ApiRepository implements Repository {
 		return this._repository.branch(name, checkout, ref);
 	}
 
-	deleteBranch(name: string): Promise<void> {
-		return this._repository.deleteBranch(name);
+	deleteBranch(name: string, force?: boolean): Promise<void> {
+		return this._repository.deleteBranch(name, force);
 	}
 
 	getBranch(name: string): Promise<Branch> {

extensions/git/src/api/git.d.ts

@@ -138,7 +138,7 @@ export interface Repository {
 	hashObject(data: string): Promise<string>;
 
 	createBranch(name: string, checkout: boolean, ref?: string): Promise<void>;
-	deleteBranch(name: string): Promise<void>;
+	deleteBranch(name: string, force?: boolean): Promise<void>;
 	getBranch(name: string): Promise<Branch>;
 	setBranchUpstream(name: string, upstream: string): Promise<void>;