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$NetBSD: patch-ab,v 1.14 2010/12/12 13:10:40 wiz Exp $
add --no-unlink-first option to negate --unlink-first option
earlier patches made --unlink-first a default, but that was dropped years ago
--- src/tar.c.orig 2010-10-24 18:07:55.000000000 +0000
+++ src/tar.c
@@ -300,6 +300,7 @@ enum
NO_RECURSION_OPTION,
NO_SAME_OWNER_OPTION,
NO_SAME_PERMISSIONS_OPTION,
+ NO_UNLINK_FIRST_OPTION,
NO_SEEK_OPTION,
NO_UNQUOTE_OPTION,
NO_WILDCARDS_MATCH_SLASH_OPTION,
@@ -505,6 +506,8 @@ static struct argp_option options[] = {
N_("try extracting files with the same ownership as exists in the archive (default for superuser)"), GRID+1 },
{"no-same-owner", NO_SAME_OWNER_OPTION, 0, 0,
N_("extract files as yourself (default for ordinary users)"), GRID+1 },
+ {"no-unlink-first", NO_UNLINK_FIRST_OPTION, 0, 0,
+ N_("don't remove each file prior to extracting"), GRID+1 },
{"numeric-owner", NUMERIC_OWNER_OPTION, 0, 0,
N_("always use numbers for user/group names"), GRID+1 },
{"preserve-permissions", 'p', 0, 0,
@@ -1644,6 +1647,10 @@ parse_opt (int key, char *arg, struct ar
set_subcommand_option (TEST_LABEL_SUBCOMMAND);
break;
+ case NO_UNLINK_FIRST_OPTION:
+ old_files_option = DEFAULT_OLD_FILES;
+ break;
+
case 'T':
update_argv (arg, state);
/* Indicate we've been given -T option. This is for backward
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