tweak message when closing dirty and conflicting merge editor

fyi @bpasero this ensures the close handler is always called with `IEditorIdentifier[]`

re #152841

src/vs/workbench/browser/parts/editor/editorGroupView.ts

@@ -1555,7 +1555,7 @@ export class EditorGroupView extends Themable implements IEditorGroupView {
 
 			// Let editor handle confirmation if implemented
 			if (typeof editor.closeHandler?.confirm === 'function') {
-				confirmation = await editor.closeHandler.confirm();
+				confirmation = await editor.closeHandler.confirm([{ editor, groupId: this.id }]);
 			}
 
 			// Show a file specific confirmation

src/vs/workbench/common/editor/editorInput.ts

@@ -30,10 +30,10 @@ export interface IEditorCloseHandler {
 	 * should be used besides dirty state, this method should be
 	 * implemented to show a different dialog.
 	 *
-	 * @param editors if more than one editor is closed, will pass in
-	 * each editor of the same kind to be able to show a combined dialog.
+	 * @param editors All editors of the same kind that are being closed. Should be used
+	 * to show a combined dialog.
 	 */
-	confirm(editors?: ReadonlyArray<IEditorIdentifier>): Promise<ConfirmResult>;
+	confirm(editors: ReadonlyArray<IEditorIdentifier>): Promise<ConfirmResult>;
 }
 
 /**

src/vs/workbench/contrib/mergeEditor/browser/mergeEditorInput.ts

@@ -173,21 +173,25 @@ class MergeEditorCloseHandler implements IEditorCloseHandler {
 		return !this._ignoreUnhandledConflicts && this._model.hasUnhandledConflicts.get();
 	}
 
-	async confirm(editors?: readonly IEditorIdentifier[] | undefined): Promise<ConfirmResult> {
+	async confirm(editors: readonly IEditorIdentifier[]): Promise<ConfirmResult> {
 
-		const handler: MergeEditorCloseHandler[] = [this];
-		editors?.forEach(candidate => candidate.editor.closeHandler instanceof MergeEditorCloseHandler && handler.push(candidate.editor.closeHandler));
+		const handler: MergeEditorCloseHandler[] = [];
+		let someAreDirty = false;
 
-		const inputsWithUnhandledConflicts = handler
-			.filter(input => input._model && input._model.hasUnhandledConflicts.get());
+		for (const { editor } of editors) {
+			if (editor.closeHandler instanceof MergeEditorCloseHandler && editor.closeHandler._model.hasUnhandledConflicts.get()) {
+				handler.push(editor.closeHandler);
+				someAreDirty = someAreDirty || editor.isDirty();
+			}
+		}
 
-		if (inputsWithUnhandledConflicts.length === 0) {
+		if (handler.length === 0) {
 			// shouldn't happen
 			return ConfirmResult.SAVE;
 		}
 
 		const actions: string[] = [
-			localize('unhandledConflicts.ignore', "Continue with Conflicts"),
+			someAreDirty ? localize('unhandledConflicts.saveAndIgnore', "Save & Continue with Conflicts") : localize('unhandledConflicts.ignore', "Continue with Conflicts"),
 			localize('unhandledConflicts.discard', "Discard Merge Changes"),
 			localize('unhandledConflicts.cancel', "Cancel"),
 		];

src/vs/workbench/contrib/terminal/browser/terminalEditorInput.ts

@@ -100,7 +100,7 @@ export class TerminalEditorInput extends EditorInput implements IEditorCloseHand
 		return false;
 	}
 
-	async confirm(terminals?: ReadonlyArray<IEditorIdentifier>): Promise<ConfirmResult> {
+	async confirm(terminals: ReadonlyArray<IEditorIdentifier>): Promise<ConfirmResult> {
 		const { choice } = await this._dialogService.show(
 			Severity.Warning,
 			localize('confirmDirtyTerminal.message', "Do you want to terminate running processes?"),
@@ -110,7 +110,7 @@ export class TerminalEditorInput extends EditorInput implements IEditorCloseHand
 			],
 			{
 				cancelId: 1,
-				detail: terminals && terminals.length > 1 ?
+				detail: terminals.length > 1 ?
 					terminals.map(terminal => terminal.editor.getName()).join('\n') + '\n\n' + localize('confirmDirtyTerminals.detail', "Closing will terminate the running processes in the terminals.") :
 					localize('confirmDirtyTerminal.detail', "Closing will terminate the running processes in this terminal.")
 			}