Add the -r option as a synonym of -R

1 files changed, 8 insertions, 1 deletions

diff --git a/coreutils/cp.c b/coreutils/cp.c
index c5dd31ec3..6a82f6bff 100644
--- a/coreutils/cp.c
+++ b/coreutils/cp.c
@@ -41,7 +41,8 @@
 #include "busybox.h"
 #include "libcoreutils/coreutils.h"
 
-static const char cp_opts[] = "pdRfia"; /* WARNING!! ORDER IS IMPORTANT!! */
+/* WARNING!! ORDER IS IMPORTANT!! */
+static const char cp_opts[] = "pdRfiar";
 
 extern int cp_main(int argc, char **argv)
 {
@@ -66,6 +67,12 @@ extern int cp_main(int argc, char **argv)
         if (flags & 32) {
                 flags |= (FILEUTILS_PRESERVE_STATUS | FILEUTILS_RECUR | FILEUTILS_DEREFERENCE);
         }
+        if (flags & 64) {
+                /* Make -r a synonym for -R,
+                 * -r was marked as obsolete in SUSv3, but is included for compatability
+                 */
+                flags |= FILEUTILS_RECUR;
+        }
 
         flags ^= FILEUTILS_DEREFERENCE;         /* The sense of this flag was reversed. */