feat: add aliases

cmd/brew.go

@@ -19,7 +19,7 @@ var brewCmd = &cobra.Command{
 	SilenceUsage:  true,
 	SilenceErrors: true,
 	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
-		if err := intconfig.Load(l, flagConfig); err != nil {
+		if err := intconfig.Load(l); err != nil {
 			return err
 		}
 		return nil

cmd/execute.go

@@ -15,7 +15,7 @@ var execCmd = &cobra.Command{
 	SilenceUsage:  true,
 	SilenceErrors: true,
 	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
-		if err := intconfig.Load(l, flagConfig); err != nil {
+		if err := intconfig.Load(l); err != nil {
 			return err
 		}
 		return nil

cmd/prompt.go

@@ -15,7 +15,7 @@ var promptCmd = &cobra.Command{
 	SilenceUsage:  true,
 	SilenceErrors: true,
 	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
-		if err := intconfig.Load(l, flagConfig); err != nil {
+		if err := intconfig.Load(l); err != nil {
 			return err
 		}
 		return nil

cmd/require.go

@@ -15,7 +15,7 @@ var requireCmd = &cobra.Command{
 	SilenceUsage:  true,
 	SilenceErrors: true,
 	PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
-		if err := intconfig.Load(l, flagConfig); err != nil {
+		if err := intconfig.Load(l); err != nil {
 			return err
 		}
 		return nil

cmd/root.go

@@ -15,7 +15,6 @@ import (
 var (
 	l           log.Logger
 	flagLevel   string
-	flagConfig  string
 	flagNoColor bool
 )
 
@@ -60,7 +59,6 @@ func init() {
 	cobra.OnInitialize(initialize)
 	rootCmd.PersistentFlags().BoolVar(&flagNoColor, "no-color", false, "disabled colors (default is false)")
 	rootCmd.PersistentFlags().StringVar(&flagLevel, "level", "info", "set log level (default is warn)")
-	rootCmd.PersistentFlags().StringVar(&flagConfig, "config", "", "config file (default is $HOME/.posh.yml)")
 }
 
 // initialize reads in config file and ENV variables if set.

pkg/command/tree/node.go

@@ -17,7 +17,7 @@ type Node struct {
 	PassThroughArgs  Args
 	PassThroughFlags func(fs *readline.FlagSet)
 	Description      string
-	Commands         []*Node
+	Nodes            []*Node
 	Execute          func(ctx context.Context, args *readline.Readline) error
 }
 
@@ -48,8 +48,8 @@ func (c *Node) setFlags(r *readline.Readline, parse bool) error {
 func (c *Node) completeArguments(ctx context.Context, p *Root, r *readline.Readline, i int) []prompt.Suggest {
 	var suggest []prompt.Suggest
 	localArgs := r.Args()[i:]
-	if len(c.Commands) > 0 && len(localArgs) <= 1 {
-		for _, command := range c.Commands {
+	if len(c.Nodes) > 0 && len(localArgs) <= 1 {
+		for _, command := range c.Nodes {
 			suggest = append(suggest, prompt.Suggest{Text: command.Name, Description: command.Description})
 		}
 	} else if len(c.Args) >= len(localArgs) {
@@ -84,7 +84,7 @@ func (c *Node) completePassThroughFlags(r *readline.Readline) []prompt.Suggest {
 
 func (c *Node) execute(ctx context.Context, r *readline.Readline, i int) error {
 	localArgs := r.Args()[i:]
-	if len(c.Commands) > 0 && len(localArgs) == 0 {
+	if len(c.Nodes) > 0 && len(localArgs) == 0 {
 		return errors.New("missing [command] argument")
 	} else if len(c.Args) > 0 {
 		for j, arg := range c.Args {

pkg/command/tree/root.go

@@ -91,7 +91,7 @@ func (p *Root) find(cmds []*Node, r *readline.Readline, i int) (*Node, int) {
 	arg := r.Args().At(i)
 	for _, cmd := range cmds {
 		if cmd.Name == arg {
-			if subCmd, j := p.find(cmd.Commands, r, i+1); subCmd != nil {
+			if subCmd, j := p.find(cmd.Nodes, r, i+1); subCmd != nil {
 				return subCmd, j
 			}
 			return cmd, i
@@ -99,7 +99,7 @@ func (p *Root) find(cmds []*Node, r *readline.Readline, i int) (*Node, int) {
 		if cmd.Names != nil {
 			for _, name := range cmd.Names() {
 				if name == arg {
-					if subCmd, j := p.find(cmd.Commands, r, i+1); subCmd != nil {
+					if subCmd, j := p.find(cmd.Nodes, r, i+1); subCmd != nil {
 						return subCmd, j
 					}
 				}

pkg/config/prompt.go

@@ -2,9 +2,10 @@ package config
 
 type (
 	Prompt struct {
-		Title   string        `json:"title" yaml:"title"`
-		Prefix  string        `json:"prefix" yaml:"prefix"`
-		History PromptHistory `json:"history" yaml:"history"`
+		Title   string            `json:"title" yaml:"title"`
+		Prefix  string            `json:"prefix" yaml:"prefix"`
+		History PromptHistory     `json:"history" yaml:"history"`
+		Aliases map[string]string `json:"aliases" yaml:"aliases"`
 	}
 	PromptHistory struct {
 		Limit        int    `json:"limit" yaml:"limit"`

pkg/prompt/prompt.go

@@ -30,6 +30,7 @@ type (
 		readline *readline.Readline
 		history  history.History
 		commands command.Commands
+		aliases  map[string]string
 		// inputRegex - split cmd into args
 		promptOptions []prompt.Option
 	}
@@ -75,6 +76,13 @@ func WithCheckers(v ...check.Checker) Option {
 	}
 }
 
+func WithAliases(v map[string]string) Option {
+	return func(o *Prompt) error {
+		o.aliases = v
+		return nil
+	}
+}
+
 func WithContext(v context.Context) Option {
 	return func(o *Prompt) error {
 		o.ctx = v
@@ -214,6 +222,18 @@ func (s *Prompt) Run() error {
 // ~ Private methods
 // ------------------------------------------------------------------------------------------------
 
+func (s *Prompt) alias(input string, aliases map[string]string) string {
+	if len(aliases) == 0 {
+		return input
+	} else if parts := strings.Split(input, " "); len(parts) == 0 {
+		return input
+	} else if value, ok := aliases[parts[0]]; !ok {
+		return input
+	} else {
+		return value + " " + strings.Join(parts[1:], " ")
+	}
+}
+
 func (s *Prompt) execute(input string) {
 	input = strings.TrimSpace(input)
 	if input == "" {
@@ -222,6 +242,8 @@ func (s *Prompt) execute(input string) {
 
 	s.history.Persist(s.ctx, input)
 
+	input = s.alias(input, s.aliases)
+
 	if err := s.readline.Parse(input); err != nil {
 		s.l.Error("failed to parse line:", err.Error())
 		return
@@ -254,6 +276,8 @@ func (s *Prompt) complete(d prompt.Document) []prompt.Suggest {
 		return nil
 	}
 
+	input = s.alias(input, s.aliases)
+
 	if err := s.readline.Parse(input); err != nil {
 		s.l.Debug("failed to parse line:", err.Error())
 		return nil
@@ -263,6 +287,9 @@ func (s *Prompt) complete(d prompt.Document) []prompt.Suggest {
 	// return root completion
 	if s.readline.IsModeDefault() && s.readline.Args().LenIs(0) {
 		var suggests []prompt.Suggest
+		for key, value := range s.aliases {
+			suggests = append(suggests, prompt.Suggest{Text: key, Description: "alias: " + value})
+		}
 		for _, inst := range s.Commands().List() {
 			suggests = append(suggests, prompt.Suggest{Text: inst.Name(), Description: inst.Description()})
 		}