Merge pull request #1859 from SvenDowideit/fix-dev-version-check

fix ros-install version check for dev builds

cmd/control/install.go

@@ -197,6 +197,7 @@ func runInstall(image, installType, cloudConfig, device, partition, statedir, ka
 		log.Infof("user specified to install pre v0.8.0: %s", image)
 		imageVersion = strings.Replace(imageVersion, "-", ".", -1)
 		vArray := strings.Split(imageVersion, ".")
+		if len(vArray) >= 2 {
 			v, _ := strconv.ParseFloat(vArray[0]+"."+vArray[1], 32)
 			if v < 0.8 || imageVersion == "0.8.0-rc1" {
 				log.Infof("starting installer container for %s", image)
@@ -220,6 +221,7 @@ func runInstall(image, installType, cloudConfig, device, partition, statedir, ka
 				return nil
 			}
 		}
+	}
 
 	if _, err := os.Stat("/usr/bin/system-docker"); os.IsNotExist(err) {
 		if err := os.Symlink("/usr/bin/ros", "/usr/bin/system-docker"); err != nil {

scripts/run

@@ -159,7 +159,8 @@ fi
 
 if [ "$BOOT_PXE" == "1" ]; then
     set -ex
-    sudo pixiecore boot \
+    PIXIECORE=$(which pixiecore)
+    sudo -E $PIXIECORE boot \
                "${KERNEL}" \
                "${INITRD}" \
                --cmdline="${KERNEL_ARGS}"