touch: implement -t TIME (needed for testsuite)

This changes date -d TIME format a bit, makes it more compatible

function                                             old     new   delta
parse_datestr                                        391     618    +227
touch_main                                           360     361      +1
packed_usage                                       26624   26615      -9

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 4 deletions

diff --git a/include/usage.h b/include/usage.h
index 9493b6d4b..5aedeab78 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -668,6 +668,7 @@
 #define date_full_usage "\n\n" \
        "Display time (using +FMT), or set time\n" \
      "\nOptions:" \
+     "\n        [-s] TIME       Set time to TIME" \
      "\n        -u              Work in UTC (don't convert to local time)" \
      "\n        -R              Output RFC-822 compliant date string" \
         IF_FEATURE_DATE_ISOFMT( \
@@ -676,18 +677,17 @@
      "\n                        'hours', 'minutes', or 'seconds' for date and" \
      "\n                        time to the indicated precision" \
         ) \
-     "\n        -d TIME         Display TIME, not 'now'" \
      "\n        -r FILE         Display last modification time of FILE" \
-     "\n        [-s] TIME       Set time to TIME" \
+     "\n        -d TIME         Display TIME, not 'now'" \
         IF_FEATURE_DATE_ISOFMT( \
-     "\n        -D FMT          Use FMT for str->date conversion" \
+     "\n        -D FMT          Use FMT for -d TIME conversion" \
         ) \
      "\n" \
      "\nRecognized formats for TIME:" \
      "\n        hh:mm[:ss]" \
      "\n        [YYYY.]MM.DD-hh:mm[:ss]" \
      "\n        YYYY-MM-DD hh:mm[:ss]" \
-     "\n        MMDDhhmm[[YY]YY][.ss]" \
+     "\n        [[[[[YY]YY]MM]DD]hh]mm[.ss]" \
 
 #define date_example_usage \
        "$ date\n" \