Implement the short syntax for custom command

dev.yml

@@ -61,9 +61,7 @@ commands:
     desc: Show the commits since the last tag
     run: git log `git describe --tags --abbrev=0`..HEAD --pretty=format:'%s'
 
-  godoc:
-    desc: Starting GoDoc server on http://0.0.0.0:6060
-    run: (sleep 1; open http://0.0.0.0:6060/pkg/github.com/devbuddy/devbuddy/pkg/)& godoc -http=:6060
+  godoc: (sleep 1; open http://0.0.0.0:6060/pkg/github.com/devbuddy/devbuddy/pkg/)& godoc -http=:6060
 
   install-dev:
     desc: Install bud in the GOROOT

pkg/cmd/commands.go

@@ -32,7 +32,7 @@ func customCommandRun(cmd *cobra.Command, args []string) error {
 	}
 
 	name := cmd.Annotations["name"]
-	spec, ok := man.Commands[name]
+	spec, ok := man.GetCommands()[name]
 	if !ok {
 		return fmt.Errorf("custom command is not found: %s", name)
 	}
@@ -57,7 +57,7 @@ func buildCustomCommands() {
 
 	var cmd *cobra.Command
 
-	for name, spec := range man.Commands {
+	for name, spec := range man.GetCommands() {
 		desc := "Custom"
 		if spec.Description != "" {
 			desc = fmt.Sprintf("Custom: %s", spec.Description)

pkg/manifest/manifest.go

@@ -14,10 +14,44 @@ var manifestFilename = "dev.yml"
 
 // Manifest is a representation of the project manifest
 type Manifest struct {
-	Env      map[string]string   `yaml:"env"`
-	Up       []interface{}       `yaml:"up"`
-	Commands map[string]*Command `yaml:"commands"`
-	Open     map[string]string   `yaml:"open"`
+	Env      map[string]string      `yaml:"env"`
+	Up       []interface{}          `yaml:"up"`
+	Commands map[string]interface{} `yaml:"commands"`
+	Open     map[string]string      `yaml:"open"`
+}
+
+func (m *Manifest) commands() (map[string]*Command, error) {
+	cmds := map[string]*Command{}
+
+	for name, payload := range m.Commands {
+		if p, ok := payload.(string); ok {
+			cmds[name] = &Command{Run: p}
+			continue
+		}
+
+		if p, ok := payload.(map[interface{}]interface{}); ok {
+			if run, ok := p["run"]; ok {
+				if runS, ok := run.(string); ok {
+					cmds[name] = &Command{Run: runS}
+					if desc, ok := p["desc"]; ok {
+						if descS, ok := desc.(string); ok {
+							cmds[name].Description = descS
+						}
+					}
+					continue
+				}
+			}
+		}
+
+		return nil, fmt.Errorf("malformed manifest: invalid command %s", name)
+	}
+
+	return cmds, nil
+}
+
+func (m *Manifest) GetCommands() map[string]*Command {
+	cmds, _ := m.commands()
+	return cmds
 }
 
 // Command is a representation of the `command` section of a manifest
@@ -49,5 +83,10 @@ func Load(path string) (*Manifest, error) {
 		return nil, err
 	}
 
+	_, err = manifest.commands()
+	if err != nil {
+		return nil, err
+	}
+
 	return manifest, nil
 }

pkg/manifest/manifest_test.go

@@ -20,6 +20,9 @@ commands:
   cmd1:
     desc: description1
     run: command1
+  cmd2:
+    run: command2
+  cmd3: command3
 
 open:
   app: http://localhost:5000
@@ -37,7 +40,14 @@ func TestLoad(t *testing.T) {
 
 	require.Equal(t, map[string]string{"TESTENV": "TESTVALUE"}, man.Env)
 	require.Equal(t, []interface{}{"task1", "task2"}, man.Up)
-	require.Equal(t, map[string]*Command{"cmd1": {Run: "command1", Description: "description1"}}, man.Commands)
+
+	commands := map[string]*Command{
+		"cmd1": {Run: "command1", Description: "description1"},
+		"cmd2": {Run: "command2"},
+		"cmd3": {Run: "command3"},
+	}
+	require.Equal(t, commands, man.GetCommands())
+
 	require.Equal(t, map[string]string{"app": "http://localhost:5000"}, man.Open)
 }
 

tests/test_custom.py

@@ -9,6 +9,15 @@ def test_command(cmd, project):
     project.assert_file('somefile')
 
 
+def test_command_short_syntax(cmd, project):
+    project.write_devyml("""
+        commands:
+          mycmd: touch somefile
+    """)
+    cmd.run("bud mycmd")
+    project.assert_file('somefile')
+
+
 def test_run_in_project_dir(cmd, project):
     project.write_devyml("""
         commands: