add help flags for sub commands to root cmd

1 files changed, 64 insertions, 0 deletions

diff --git a/cmd/ponzu/version.go b/cmd/ponzu/version.go
new file mode 100644
index 0000000..d22d5a4
--- /dev/null
+++ b/cmd/ponzu/version.go
@@ -0,0 +1,64 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	"github.com/spf13/cobra"
+)
+
+var versionCmd = &cobra.Command{
+	Use:     "version",
+	Aliases: []string{"v"},
+	Short:   "Prints the version of Ponzu your project is using.",
+	Long: `Prints the version of Ponzu your project is using. Must be called from
+within a Ponzu project directory.`,
+	Example: `$ ponzu version
+> Ponzu v0.7.1
+(or)
+$ ponzu --cli version
+> Ponzu v0.7.2`,
+	Run: func(cmd *cobra.Command, args []string) {
+		p, err := version(cli)
+		if err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+
+		fmt.Fprintf(os.Stdout, "Ponzu v%s\n", p["version"])
+	},
+}
+
+func version(isCLI bool) (map[string]interface{}, error) {
+	kv := make(map[string]interface{})
+
+	info := filepath.Join("cmd", "ponzu", "ponzu.json")
+	if isCLI {
+		gopath, err := getGOPATH()
+		if err != nil {
+			return nil, err
+		}
+		repo := filepath.Join(gopath, "src", "github.com", "ponzu-cms", "ponzu")
+		info = filepath.Join(repo, "cmd", "ponzu", "ponzu.json")
+	}
+
+	b, err := ioutil.ReadFile(info)
+	if err != nil {
+		return nil, err
+	}
+
+	err = json.Unmarshal(b, &kv)
+	if err != nil {
+		return nil, err
+	}
+
+	return kv, nil
+}
+
+func init() {
+	versionCmd.Flags().BoolVar(&cli, "cli", false, "specify that information should be returned about the CLI, not project")
+	RegisterCmdlineCommand(versionCmd)
+}