fix downloadAnalyzerSpec function too

Author: laverya

cmd/troubleshoot/cli/analyze.go

@@ -7,6 +7,7 @@ import (
 	"net/http"
 	"os"
 
+	"github.com/replicatedhq/troubleshoot/cmd/util"
 	analyzer "github.com/replicatedhq/troubleshoot/pkg/analyze"
 	"github.com/replicatedhq/troubleshoot/pkg/convert"
 	"github.com/replicatedhq/troubleshoot/pkg/logger"
@@ -83,7 +84,8 @@ func Analyze() *cobra.Command {
 
 func downloadAnalyzerSpec(specPath string) (string, error) {
 	specContent := ""
-	if !isURL(specPath) {
+	var err error
+	if _, err = os.Stat(specPath); err == nil {
 		if _, err := os.Stat(specPath); os.IsNotExist(err) {
 			return "", fmt.Errorf("%s was not found", specPath)
 		}
@@ -95,6 +97,10 @@ func downloadAnalyzerSpec(specPath string) (string, error) {
 
 		specContent = string(b)
 	} else {
+		if !util.IsURL(specPath) {
+			return "", fmt.Errorf("%s is not a URL and was not found (err %s)", specPath, err)
+		}
+
 		req, err := http.NewRequest("GET", specPath, nil)
 		if err != nil {
 			return "", err