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tar: implement --version for buildroot

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2015-10-22 13:22:26 +02:00
parent 6c563e370d
commit 62ae323df0
1 changed files with 9 additions and 0 deletions
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9
archival/tar.c
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@ -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