add show config command

Author: reddec

README.md

@@ -93,12 +93,13 @@ state any changes (for legal details please read LICENSE file).
 #### show
 
     Usage:
-    layout [OPTIONS] show <config-file>
+    layout [OPTIONS] show <config | config-file>
 
     Help Options:
     -h, --help      Show this help message
 
     Available commands:
+    config       current config
     config-file  location of default config file
 
 #### new

cmd/layout/commands/show.go

@@ -16,10 +16,16 @@ limitations under the License.
 
 package commands
 
-import "fmt"
+import (
+	"fmt"
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
 
 type ShowCommand struct {
 	ConfigFile ShowConfigFileCommand `command:"config-file" description:"location of default config file"`
+	Config     ShowConfigCommand     `command:"config" description:"current config"`
 }
 
 type ShowConfigFileCommand struct {
@@ -29,3 +35,15 @@ func (cmd ShowConfigFileCommand) Execute([]string) error {
 	_, err := fmt.Println(defaultConfigFile())
 	return err
 }
+
+type ShowConfigCommand struct {
+	ConfigSource
+}
+
+func (cmd ShowConfigCommand) Execute([]string) error {
+	c, err := cmd.readConfig()
+	if err != nil {
+		return err
+	}
+	return yaml.NewEncoder(os.Stdout).Encode(c)
+}