Improve usage and set password arg

Makefile

@@ -6,7 +6,7 @@ TARGET_ALIAS = $(NAME)-linux-amd64 $(NAME)-linux-arm $(NAME)-linux-arm64 $(NAME)
 TARGETS = $(addprefix dist/,$(TARGET_ALIAS))
 
 .PHONY: default
-default: yk
+default: build/yk
 
 .PHONY: all
 all: $(TARGETS)

main.go

@@ -64,9 +64,18 @@ func getPasskey(s *ykoath.Select) ([]byte, error) {
 	return s.DeriveKey(password), nil
 }
 
+func usage() {
+	fmt.Fprintf(flag.CommandLine.Output(), "Usage:\n  %s [target site]\n\n", os.Args[0])
+	fmt.Fprintf(flag.CommandLine.Output(), "Prints TOTP code for provided target site. If no site is provided, %s will list all sites.\n\n", os.Args[0])
+	fmt.Fprint(flag.CommandLine.Output(), "If a touch is required for your code, the command will not return until the your key is touched.\n\n")
+	flag.PrintDefaults()
+}
+
 func main() {
+	flag.Usage = usage
 	flag.BoolVar(&slog.DebugLevel, "debug", false, "enable debug logging")
 	showVersion := flag.Bool("version", false, "print version and exit")
+	shouldSetPassword := flag.Bool("set-password", false, "prompt for key password and store in system keychain")
 	flag.Parse()
 
 	if *showVersion {
@@ -90,7 +99,7 @@ func main() {
 	slog.FatalOnErr(err, "failed to select oath")
 
 	// Check to see if we are trying to set a password
-	if flag.Arg(0) == "set-password" {
+	if *shouldSetPassword {
 		err = setPassword(s)
 		slog.FatalOnErr(err, "failed to save password")
 
@@ -112,7 +121,7 @@ func main() {
 		slog.Debug("no challenge required")
 	}
 
-	if flag.Arg(0) == "list" {
+	if flag.NArg() == 0 || flag.Arg(0) == "list" {
 		// List names only
 		names, err := oath.List()
 		slog.FatalOnErr(err, "failed to list names")

scripts/yk.fish

@@ -1,9 +1,8 @@
-# Disable file completions
-complete -c yk -f
-# Add completion for setting password
-complete -c yk -a set-password -d "Set authentication password"
-# Add completion of credentials
-complete -c yk -a "(yk list)" -d "Credential to get TOTP for"
+complete --command yk --no-files
+complete --command yk --arguments "(yk list)" --description "Credential to get TOTP for"
+complete --command yk --old-option "debug" --description "enable debug logging"
+complete --command yk --old-option "version" --description "print version and exit"
+complete --command yk --old-option "set-password" --description "prompt for key password and store in system keychain"
 
 function yk-copy --description "Select a credential using fzf and copy it to clipboard"
     set result (yk (yk list | fzf))