Various fixes from the linter

cmd/osdf_stage/main.go

@@ -73,8 +73,7 @@ Terminology:
   correspondings to the files in the origin prefix. Example:
   /mnt/cephfs/protected
 - Shadow prefix: Where in the OSDF namespace the resulting files should
-  be uploaded.  Example: osdf://osg-connect-shadow/protected
-`);
+  be uploaded.  Example: osdf://osg-connect-shadow/protected`);
 			os.Exit(0)
 		} else {
 			log.Errorln(err)
@@ -152,7 +151,7 @@ Terminology:
 			log.Errorln("TransferInput is not a string")
 			os.Exit(1)
 		}
-		re := regexp.MustCompile("[,\\s]+")
+		re := regexp.MustCompile(`[,\s]+`)
 		for _, source := range re.Split(inputListStr, -1) {
 			log.Debugln("Examining transfer input file", source)
 			if (strings.HasPrefix(source, options.MountPrefix)) {

handle_http.go

@@ -971,7 +971,7 @@ func StatHttp(dest *url.URL, namespace Namespace) (uint64, error) {
 		}
 		contentLength, err := strconv.ParseInt(contentLengthStr, 10, 64)
 		if err != nil {
-			log.Errorln("Unable to parse Content-Length header value (%s) as integer: %s", contentLengthStr, err)
+			log.Errorf("Unable to parse Content-Length header value (%s) as integer: %s", contentLengthStr, err)
 			return 0, err
 		}
 		return uint64(contentLength), nil

handle_ingest.go

@@ -35,6 +35,7 @@ func generate_destination(filePath string, originPrefix string, shadowOriginPref
 }
 
 func DoShadowIngest(sourceFile string, originPrefix string, shadowOriginPrefix string) (int64, string, error) {
+	// After each transfer attempt, we'll check to see if the local file was modified.  If so, we'll re-upload.
 	for idx := 0; idx < 10; idx++ {
 		shadowFile, localSize, err := generate_destination(sourceFile, originPrefix, shadowOriginPrefix)
 		log.Debugln("Resulting shadow URL:", shadowFile)
@@ -85,6 +86,9 @@ func DoShadowIngest(sourceFile string, originPrefix string, shadowOriginPrefix s
 		}
 
 		uploadBytes, err := DoStashCPSingle(sourceFile, shadowFile, methods, false)
+		if err != nil {
+			return 0, "", err
+		}
 
 		// See if the file was modified while we were uploading; if not, we'll return success
 		shadowFilePost, _, err := generate_destination(sourceFile, originPrefix, shadowOriginPrefix)