Fix #22985

src/vs/workbench/services/search/node/ripgrepTextSearch.ts

@@ -355,10 +355,11 @@ function getRgArgs(config: IRawSearch): { args: string[], siblingClauses: glob.I
 	args.push('--follow');
 
 	// Set default encoding
-	if (config.fileEncoding) {
+	if (config.fileEncoding && config.fileEncoding !== 'utf8') {
 		args.push('--encoding', encoding.toCanonicalName(config.fileEncoding));
 	}
 
+	let searchPatternAfterDoubleDashes: string;
 	if (config.contentPattern.isRegExp) {
 		if (config.contentPattern.isWordMatch) {
 			args.push('--word-regexp');
@@ -369,12 +370,20 @@ function getRgArgs(config: IRawSearch): { args: string[], siblingClauses: glob.I
 		if (config.contentPattern.isWordMatch) {
 			args.push('--word-regexp', '--regexp', strings.escapeRegExpCharacters(config.contentPattern.pattern));
 		} else {
-			args.push('--fixed-strings', config.contentPattern.pattern);
+			args.push('--fixed-strings');
+			searchPatternAfterDoubleDashes = config.contentPattern.pattern;
 		}
 	}
 
 	// Folder to search
-	args.push('--', './');
+	args.push('--');
+
+	if (searchPatternAfterDoubleDashes) {
+		// Put the query after --, in case the query starts with a dash
+		args.push(searchPatternAfterDoubleDashes);
+	}
+
+	args.push('./');
 
 	return { args, siblingClauses };
 }

src/vs/workbench/services/search/test/node/textSearch.integrationTest.ts

@@ -179,4 +179,14 @@ suite('Search-integration', () => {
 
 		doSearchTest(config, 0, done);
 	});
+
+	test('Text: -size', function (done: () => void) {
+		let config = {
+			rootFolders: rootfolders(),
+			filePattern: '*.css',
+			contentPattern: { pattern: '-size', modifiers: 'i' }
+		};
+
+		doSearchTest(config, 9, done);
+	});
 });
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