make debug log runtime configurable

1 files changed, 5 insertions, 3 deletions

diff --git a/core.go b/core.go
index 1824db1..58633d8 100644
--- a/core.go
+++ b/core.go
@@ -25,9 +25,9 @@
 package rhimport
 
 import (
-	//	"io/ioutil"
 	"fmt"
 	"github.com/golang-basic/go-curl"
+	"io/ioutil"
 	"log"
 	"os"
 )
@@ -40,11 +40,13 @@ const (
 var (
 	bool2str = map[bool]string{false: "0", true: "1"}
 	rhl      = log.New(os.Stderr, "[rhimport]\t", log.LstdFlags)
-	rhdl     = log.New(os.Stderr, "[rhimport-dbg]\t", log.LstdFlags)
-	//rhdl = log.New(ioutil.Discard, "[rhimport-dbg]\t", log.LstdFlags)
+	rhdl     = log.New(ioutil.Discard, "[rhimport-dbg]\t", log.LstdFlags)
 )
 
 func init() {
+	if _, exists := os.LookupEnv("RHIMPORT_DEBUG"); exists {
+		rhdl.SetOutput(os.Stderr)
+	}
 	curl.GlobalInit(curl.GLOBAL_ALL)
 	fetcherInit()
 }