From 62ae323df0856546754ecfe226fc9bf0dc16bcb8 Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Thu, 22 Oct 2015 13:22:26 +0200
Subject: tar: implement --version for buildroot

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 archival/tar.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'archival')

diff --git a/archival/tar.c b/archival/tar.c
index 566ba34f6..23ac00e86 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -992,6 +992,15 @@ int tar_main(int argc UNUSED_PARAM, char **argv)
 	applet_long_options = tar_longopts;
 #endif
 #if ENABLE_DESKTOP
+	/* Lie to buildroot when it starts asking stupid questions. */
+	if (argv[1] && strcmp(argv[1], "--version") == 0) {
+		// Output of 'tar --version' examples:
+		// tar (GNU tar) 1.15.1
+		// tar (GNU tar) 1.25
+		// bsdtar 2.8.3 - libarchive 2.8.3
+		puts("tar (busybox) " BB_VER);
+		return 0;
+	}
 	if (argv[1] && argv[1][0] != '-') {
 		/* Compat:
 		 * 1st argument without dash handles options with parameters
-- 
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