base-files: upgrade: use stdin redirection to replace cat command

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
2020-11-03 11:26:21 +08:00 · 2020-11-03 11:26:21 +08:00 · bd21e4a936
commit bd21e4a936
parent 7863c33cea
1 changed files with 1 additions and 1 deletions
--- a/package/base-files/files/lib/upgrade/common.sh
+++ b/package/base-files/files/lib/upgrade/common.sh
@ -103,7 +103,7 @@ get_image() { # <source> [ <command> ]
 		esac
 	fi

-	cat "$from" 2>/dev/null | $cmd
+	$cmd <"$from"
 }

 get_magic_word() {