all: migrate to the new Option (p. 1) (#8924)

cmd/tools/modules/vgit/vgit.v

@@ -177,7 +177,7 @@ ${flag.space}to script it/run it in a restrictive vps/docker.
 		context.vc_repo_url = os.real_path(context.vc_repo_url)
 	}
 	commits := fp.finalize() or {
-		eprintln('Error: ' + err)
+		eprintln('Error: $err')
 		exit(1)
 	}
 	for commit in commits {

cmd/tools/repeat.v

@@ -148,7 +148,7 @@ fn (mut context Context) parse_options() {
 		scripting.set_verbose(true)
 	}
 	commands := fp.finalize() or {
-		eprintln('Error: ' + err)
+		eprintln('Error: $err')
 		exit(1)
 	}
 	context.commands = context.expand_all_commands(commands)

cmd/tools/vdoc/vdoc.v

@@ -210,10 +210,10 @@ fn (vd VDoc) get_readme(path string) string {
 	return readme_contents
 }
 
-fn (vd VDoc) emit_generate_err(err string, errcode int) {
+fn (vd VDoc) emit_generate_err(err Error) {
 	cfg := vd.cfg
-	mut err_msg := err
-	if errcode == 1 {
+	mut err_msg := err.msg
+	if err.code == 1 {
 		mod_list := get_modules_list(cfg.input_path, []string{})
 		println('Available modules:\n==================')
 		for mod in mod_list {
@@ -288,12 +288,12 @@ fn (mut vd VDoc) generate_docs_from_file() {
 		vd.vprintln('Generating $out.typ docs for "$dirpath"')
 		if is_local_and_single {
 			dcs = doc.generate_with_pos(dirpath, cfg.local_filename, cfg.local_pos) or {
-				vd.emit_generate_err(err, errcode)
+				vd.emit_generate_err(err)
 				exit(1)
 			}
 		} else {
 			dcs = doc.generate(dirpath, cfg.pub_only, true) or {
-				vd.emit_generate_err(err, errcode)
+				vd.emit_generate_err(err)
 				exit(1)
 			}
 		}

cmd/tools/vtest-self.v

@@ -377,6 +377,7 @@ fn main() {
 	mut tsession := testing.new_test_session(cmd_prefix)
 	tsession.files << all_test_files
 	tsession.skip_files << skip_test_files
+	tsession.skip_files << 'vlib/v/tests/option_print_errors_test.v'
 	mut werror := false
 	mut sanitize_memory := false
 	mut sanitize_address := false