Fix lint errors

Signed-off-by: Reagan Lopez <reagan.lopez@intel.com>

builder/bundles.go

@@ -451,7 +451,7 @@ func installFilesystem(chrootDir string, packagerCmd []string, downloadRetries i
 	pkgFull := fileSystemInfo.name + "-" + fileSystemInfo.version + "." + fileSystemInfo.arch
 	rpm := pkgFull + ".rpm"
 	var rpmFullPath string
-	for cacheDir, _ := range repos[fileSystemInfo.repo].cacheDirs {
+	for cacheDir := range repos[fileSystemInfo.repo].cacheDirs {
 		rpmFullPath = filepath.Join(cacheDir, rpm) // assuming the full path based on Clear Linux repo and naming conventions
 		_, err = os.Stat(rpmFullPath)
 		if err == nil {
@@ -663,7 +663,7 @@ func installBundleToFull(packagerCmd []string, baseDir string, bundle *bundle, d
 		}
 		var rpmFullPath string
 		pkgFull := pkgInfo.name + "-" + pkgInfo.version + "." + pkgInfo.arch
-		for cacheDir, _ := range repos[pkgInfo.repo].cacheDirs {
+		for cacheDir := range repos[pkgInfo.repo].cacheDirs {
 			rpmFullPath = filepath.Join(cacheDir, rpm) // assuming the full path based on Clear Linux repo and naming conventions
 			_, err = os.Stat(rpmFullPath)
 			if err == nil {

builder/helpers.go

@@ -85,6 +85,9 @@ func TerminalWidth() (int, error) {
 	cmd := exec.Command("stty", "size")
 	cmd.Stdin = os.Stdin
 	out, err := cmd.Output()
+	if err != nil {
+		return 0, err
+	}
 
 	outStrs := strings.Fields(string(out))
 	if len(outStrs) != 2 {