make debug log runtime configurable

1 files changed, 8 insertions, 3 deletions

diff --git a/src/helsinki.at/rhimportd/main.go b/src/helsinki.at/rhimportd/main.go
index c6090cb..b449d5c 100644
--- a/src/helsinki.at/rhimportd/main.go
+++ b/src/helsinki.at/rhimportd/main.go
@@ -28,19 +28,24 @@ import (
 	"flag"
 	"fmt"
 	"helsinki.at/rhimport"
+	"io/ioutil"
 	"log"
 	"os"
 	"os/signal"
 	"sync"
-	//	"io/ioutil"
 )
 
 var (
 	rhl  = log.New(os.Stderr, "[rhimportd]\t", log.LstdFlags)
-	rhdl = log.New(os.Stderr, "[rhimportd-dbg]\t", log.LstdFlags)
-	//rhdl = log.New(ioutil.Discard, "[rhimportd-dbg]\t", log.LstdFlags)
+	rhdl = log.New(ioutil.Discard, "[rhimportd-dbg]\t", log.LstdFlags)
 )
 
+func init() {
+	if _, exists := os.LookupEnv("RHIMPORTD_DEBUG"); exists {
+		rhdl.SetOutput(os.Stderr)
+	}
+}
+
 type envStringValue string
 
 func newEnvStringValue(key, dflt string) *envStringValue {