touch: implement -d --date (our own testsuite needs that)

function                                             old     new   delta
static.uname_longopts                                  -     137    +137
touch_main                                           231     360    +129
static.touch_longopts                                  -      32     +32
validate_tm_time                                       -      28     +28
packed_usage                                       26616   26624      +8
date_main                                            687     686      -1
static.longopts                                      162       -    -162
------------------------------------------------------------------------------
(add/remove: 3/1 grow/shrink: 2/1 up/down: 334/-163)          Total: 171 bytes

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

1 files changed, 8 insertions, 3 deletions

diff --git a/testsuite/runtest b/testsuite/runtest
index 2d60591..5560f7b 100755
--- a/testsuite/runtest
+++ b/testsuite/runtest
@@ -120,12 +120,17 @@ fi
 
 # Populate a directory with links to all busybox applets
 
-# Note: if $LINKSDIR/applet exists, we do not overwrite it.
-# Useful if one wants to run tests against a standard utility, not an applet.
 LINKSDIR="$bindir/runtest-tempdir-links"
-#rm -rf "$LINKSDIR" 2>/dev/null
+
+# Comment this line out if you have put a different binary in $LINKSDIR
+# (say, a "standard" tool's binary) in order to run tests against it:
+rm -rf "$LINKSDIR" 2>/dev/null
+
 mkdir "$LINKSDIR" 2>/dev/null
 for i in $implemented; do
+	# Note: if $LINKSDIR/applet exists, we do not overwrite it.
+	# Useful if one wants to run tests against a standard utility,
+	# not an applet.
 	ln -s "$bindir/busybox" "$LINKSDIR/$i" 2>/dev/null
 done