[PATCH 4/5] cogito: try harder to find gnu date

From: Bryan Larsen <bryanlarsen@yahoo.com>
Date: Jul 16, 2005, 23:24 UTC
Message-ID: <20050716232353.7317.63574.sendpatchset@bryan-larsens-ibook-g4.local>
In-Reply-To: <20050716232308.7317.56890.sendpatchset@bryan-larsens-ibook-g4.local>

Look harder for gnu date, use if available.

Signed-off-by: Bryan Larsen <bryan.larsen@gmail.com>
---

 cg-Xlib |    8 ++++++--
 1 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/cg-Xlib b/cg-Xlib
--- a/cg-Xlib
+++ b/cg-Xlib
@@ -70,7 +70,7 @@ showdate () {
 	secs=$(($secs + $tzhours * 3600 + $tzmins * 60))
 	[ "$format" ] || format="+%a, %d %b %Y %H:%M:%S $2"
 	if [ "$has_gnudate" ]; then
-		LANG=C date -ud "1970-01-01 UTC + $secs sec" "$format"
+		LANG=C ${has_gnudate} -ud "1970-01-01 UTC + $secs sec" "$format"
 	else
 		LANG=C date -u -r $secs "$format"
 	fi
@@ -236,4 +236,8 @@ has_stat=$(which gnustat 2> /dev/null ||
     which gstat 2> /dev/null ||
     which stat 2>/dev/null)
 [ "$has_stat" ] && $has_stat -c %s / 2>/dev/null >&2 || has_stat=
-has_gnudate=$(date -Rud "1970-01-01 UTC" 2>/dev/null)
+has_gnudate=$(which gnudate 2> /dev/null || 
+    which gdate 2> /dev/null || 
+    which stat 2>/dev/null)
+[ "$has_gnudate" ] && 
+    $has_gnudate -Rud  "1970-01-01 UTC" 2> /dev/null >&2 || has_gnudate=