refactor: transition logs plugin to go

plugins/logs/src/subcommands/subcommands.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"github.com/dokku/dokku/plugins/common"
+	"github.com/dokku/dokku/plugins/logs"
+	"os"
+	"strings"
+)
+
+// main entrypoint to all subcommands
+func main() {
+	parts := strings.Split(os.Args[0], "/")
+	subcommand := parts[len(parts)-1]
+
+	var err error
+	switch subcommand {
+	case "failed":
+		args := flag.NewFlagSet("logs:failed", flag.ExitOnError)
+		args.Parse(os.Args[2:])
+		appName := args.Arg(0)
+		err = logs.CommandFailed(appName)
+	default:
+		common.LogFail(fmt.Sprintf("Invalid plugin subcommand call: %s", subcommand))
+	}
+
+	if err != nil {
+		common.LogFail(err.Error())
+	}
+}