adds feature to prune remote

package.json

@@ -2416,6 +2416,11 @@
                 }
             },
             {
+                "command": "gitlens.views.pruneRemote",
+                "title": "Prune",
+                "category": "GitLens"
+            },
+            {
                 "command": "gitlens.views.fetch",
                 "title": "Fetch",
                 "category": "GitLens",
@@ -3393,6 +3398,10 @@
                     "when": "false"
                 },
                 {
+                    "command": "gitlens.views.pruneRemote",
+                    "when": "false"
+                },
+                {
                     "command": "gitlens.views.fetch",
                     "when": "false"
                 },
@@ -4699,6 +4708,11 @@
                     "group": "1_gitlens@1"
                 },
                 {
+                    "command": "gitlens.views.pruneRemote",
+                    "when": "!gitlens:readonly && viewItem =~ /gitlens:remote\\b/",
+                    "group": "1_gitlens@2"
+                },
+                {
                     "command": "gitlens.openRepoInRemote",
                     "when": "viewItem =~ /gitlens:remote\\b/",
                     "group": "2_gitlens@1"

src/git/git.ts

@@ -891,6 +891,10 @@ export class Git {
         return git<string>({ cwd: repoPath }, 'remote', 'add', name, url);
     }
 
+    static remote__prune(repoPath: string, remoteName: string) {
+        return git<string>({ cwd: repoPath }, 'remote', 'prune', remoteName);
+    }
+
     static remote__get_url(repoPath: string, remote: string): Promise<string> {
         return git<string>({ cwd: repoPath }, 'remote', 'get-url', remote);
     }

src/git/gitService.ts

@@ -463,6 +463,11 @@ export class GitService implements Disposable {
     }
 
     @log()
+    pruneRemote(repoPath: string, remoteName: string) {
+        return Git.remote__prune(repoPath, remoteName);
+    }
+
+    @log()
     async applyChangesToWorkingFile(uri: GitUri, ref1?: string, ref2?: string) {
         const cc = Logger.getCorrelationContext();
 

src/views/viewCommands.ts

@@ -115,6 +115,7 @@ export class ViewCommands {
         commands.registerCommand('gitlens.views.applyChanges', this.applyChanges, this);
         commands.registerCommand('gitlens.views.checkout', this.checkout, this);
         commands.registerCommand('gitlens.views.addRemote', this.addRemote, this);
+        commands.registerCommand('gitlens.views.pruneRemote', this.pruneRemote, this);
 
         commands.registerCommand('gitlens.views.stageDirectory', this.stageDirectory, this);
         commands.registerCommand('gitlens.views.stageFile', this.stageFile, this);
@@ -292,6 +293,13 @@ export class ViewCommands {
         return name;
     }
 
+    private async pruneRemote(node: RemoteNode) {
+        const remoteName = node.remote.name;
+        void (await Container.git.pruneRemote(node.repo.path, remoteName));
+
+        return remoteName;
+    }
+
     private closeRepository(node: RepositoryNode) {
         if (!(node instanceof RepositoryNode)) return;