tar: fix bug 3844: non-root tar does not preserve perms
diff --git a/archival/tar.c b/archival/tar.c
index 45701c9..503db5f 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -818,6 +818,10 @@
| ARCHIVE_PRESERVE_DATE
| ARCHIVE_EXTRACT_UNCONDITIONAL;
+ /* Apparently only root's tar preserves parms (see bug 3844) */
+ if (getuid() != 0)
+ tar_handle->ah_flags |= ARCHIVE_NOPRESERVE_PERM;
+
/* Prepend '-' to the first argument if required */
opt_complementary = "--:" // first arg is options
"tt:vv:" // count -t,-v