Fixed bug on --rc case

pkgkernel-auto.sh

@@ -79,12 +79,6 @@ else
     fi
 fi
 
-echo INFO: ${INFO}
-echo KERNEL: ${KERNEL}
-echo URL: ${URL}
-echo EXTENSION: ${EXTENSION}
-echo FILE: ${FILE}
-
 # Directory to store tmp files
 DIR="/usr/src/${KERNEL}"
 
@@ -120,11 +114,14 @@ fi
 # Extract kernel archive
 if [ "${EXTENSION}" == '.tar.xz' ] ; then
     tar xavf "${FILE}"
-    isPreviousStepOk
 else 
-    tar xzvf "${ARCHIVE}" -C ${DIR}
-    isPreviousStepOk
+    if [ "${ARCHIVE}" == "" ] ; then
+        tar xzvf "${FILE}"
+    else
+        tar xzvf "${ARCHIVE}" -C ${DIR}
+    fi
 fi
+isPreviousStepOk
 
 # Enter kernel directory
 cd "linux-${KERNEL}"