Fixes errors on document outside of a repo

src/git/gitProviderService.ts

@@ -571,12 +571,18 @@ export class GitProviderService implements Disposable {
 	}
 
 	static getProviderId(repoPath: string | Uri): GitProviderId {
+		if (repoPath == null) {
+			// eslint-disable-next-line no-debugger
+			debugger;
+			throw new Error('Unsupported provider; no repository path');
+		}
+
 		if (typeof repoPath !== 'string' && repoPath.scheme === DocumentSchemes.VirtualFS) {
 			if (repoPath.authority.startsWith('github')) {
 				return GitProviderId.GitHub;
 			}
 
-			throw new Error(`Unsupported scheme: ${repoPath.scheme}`);
+			throw new Error(`Unsupported provider: ${repoPath.scheme}`);
 		}
 
 		return GitProviderId.Git;

src/views/nodes/fileHistoryTrackerNode.ts

@@ -133,8 +133,7 @@ export class FileHistoryTrackerNode extends SubscribeableViewNode
 		if (!this.canSubscribe) return false;
 
 		if (reset) {
-			this.setUri();
-			this.resetChild();
+			this.reset();
 		}
 
 		const editor = window.activeTextEditor;
@@ -147,8 +146,7 @@ export class FileHistoryTrackerNode extends SubscribeableViewNode
 				return true;
 			}
 
-			this.setUri();
-			this.resetChild();
+			this.reset();
 
 			if (cc != null) {
 				cc.exitDetails = `, uri=${Logger.toLoggable(this._uri)}`;
@@ -182,8 +180,13 @@ export class FileHistoryTrackerNode extends SubscribeableViewNode
 			gitUri = await GitUri.fromUri(uri);
 		}
 
-		this.setUri(gitUri);
-		this.resetChild();
+		// If we have no repoPath then don't attempt to use the Uri
+		if (gitUri.repoPath == null) {
+			this.reset();
+		} else {
+			this.setUri(gitUri);
+			this.resetChild();
+		}
 
 		if (cc != null) {
 			cc.exitDetails = `, uri=${Logger.toLoggable(this._uri)}`;
@@ -191,6 +194,11 @@ export class FileHistoryTrackerNode extends SubscribeableViewNode
 		return false;
 	}
 
+	private reset() {
+		this.setUri();
+		this.resetChild();
+	}
+
 	@log()
 	setEditorFollowing(enabled: boolean) {
 		if (enabled) {

src/views/nodes/lineHistoryTrackerNode.ts

@@ -145,10 +145,7 @@ export class LineHistoryTrackerNode extends SubscribeableViewNode
 		if (!this.canSubscribe) return false;
 
 		if (reset) {
-			this.setUri();
-			this._editorContents = undefined;
-			this._selection = undefined;
-			this.resetChild();
+			this.reset();
 		}
 
 		const editor = window.activeTextEditor;
@@ -161,10 +158,7 @@ export class LineHistoryTrackerNode extends SubscribeableViewNode
 				return true;
 			}
 
-			this.setUri();
-			this._editorContents = undefined;
-			this._selection = undefined;
-			this.resetChild();
+			this.reset();
 
 			if (cc != null) {
 				cc.exitDetails = `, uri=${Logger.toLoggable(this._uri)}`;
@@ -194,10 +188,15 @@ export class LineHistoryTrackerNode extends SubscribeableViewNode
 			return true;
 		}
 
-		this.setUri(gitUri);
-		this._editorContents = editor.document.isDirty ? editor.document.getText() : undefined;
-		this._selection = editor.selection;
-		this.resetChild();
+		// If we have no repoPath then don't attempt to use the Uri
+		if (gitUri.repoPath == null) {
+			this.reset();
+		} else {
+			this.setUri(gitUri);
+			this._editorContents = editor.document.isDirty ? editor.document.getText() : undefined;
+			this._selection = editor.selection;
+			this.resetChild();
+		}
 
 		if (cc != null) {
 			cc.exitDetails = `, uri=${Logger.toLoggable(this._uri)}`;
@@ -205,6 +204,13 @@ export class LineHistoryTrackerNode extends SubscribeableViewNode
 		return false;
 	}
 
+	private reset() {
+		this.setUri();
+		this._editorContents = undefined;
+		this._selection = undefined;
+		this.resetChild();
+	}
+
 	@log()
 	setEditorFollowing(enabled: boolean) {
 		this.canSubscribe = enabled;