git.pruneOnFetch setting implemented

extensions/git/package.json

@@ -1548,6 +1548,12 @@
           "default": false,
           "description": "%config.fetchOnPull%"
         },
+        "git.pruneOnFetch": {
+          "type": "boolean",
+          "scope": "resource",
+          "default": false,
+          "description": "%config.pruneOnFetch%"
+        },
         "git.pullTags": {
           "type": "boolean",
           "scope": "resource",

extensions/git/package.nls.json

@@ -128,6 +128,7 @@
 	"config.confirmEmptyCommits": "Always confirm the creation of empty commits for the 'Git: Commit Empty' command.",
 	"config.fetchOnPull": "Fetch all branches when pulling or just the current one.",
 	"config.pullTags": "Fetch all tags when pulling.",
+	"config.pruneOnFetch": "Always prune when fetching.",
 	"config.autoStash": "Stash any changes before pulling and restore them after successful pull.",
 	"config.allowForcePush": "Controls whether force push (with or without lease) is enabled.",
 	"config.useForcePushWithLease": "Controls whether force pushing uses the safer force-with-lease variant.",

extensions/git/src/repository.ts

@@ -1072,21 +1072,34 @@ export class Repository implements Disposable {
 
 	@throttle
 	async fetchDefault(options: { silent?: boolean } = {}): Promise<void> {
-		await this.run(Operation.Fetch, () => this.repository.fetch(options));
+		await this.fetchFrom({ silent: options.silent });
 	}
 
 	@throttle
 	async fetchPrune(): Promise<void> {
-		await this.run(Operation.Fetch, () => this.repository.fetch({ prune: true }));
+		await this.fetchFrom({ prune: true });
 	}
 
 	@throttle
 	async fetchAll(): Promise<void> {
-		await this.run(Operation.Fetch, () => this.repository.fetch({ all: true }));
+		await this.fetchFrom({ all: true });
 	}
 
 	async fetch(remote?: string, ref?: string, depth?: number): Promise<void> {
-		await this.run(Operation.Fetch, () => this.repository.fetch({ remote, ref, depth }));
+		await this.fetchFrom({ remote, ref, depth });
+	}
+
+	private async fetchFrom(options: { remote?: string, ref?: string, all?: boolean, prune?: boolean, depth?: number, silent?: boolean } = {}): Promise<void> {
+		await this.run(Operation.Fetch, async () => {
+			const config = workspace.getConfiguration('git', Uri.file(this.root));
+			const prune = config.get<boolean>('pruneOnFetch');
+
+			if (prune) {
+				options.prune = prune;
+			}
+
+			this.repository.fetch(options);
+		});
 	}
 
 	@throttle