new script to check if tags specified in otdt.map block any recent commits in trunk.

diff --git a/releng/build-scripts/bin/uptodatecheck.sh b/releng/build-scripts/bin/uptodatecheck.sh
new file mode 100755
index 0000000..3f79405
--- /dev/null
+++ b/releng/build-scripts/bin/uptodatecheck.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+map=${HOME}/shared/map/otdt.map
+
+echo "Checking diffs between trunk and versions specifed in ${map}"
+
+for l in `cat $map`
+do
+  tag=`echo $l | sed -e "s/^.*,tag=\(tags\/[^\r]*\)[\r]*$/\1/"`
+  if [ $tag != $l ]
+  then
+    path=`echo $l | sed -e "s/^.*,path=\(.*\),tag.*$/\1/"`
+#    echo "${path} at ${tag}"
+    url=`echo $l | sed -e "s/^.*,url=\(.*\),path.*$/\1/"`
+    outfile=`echo ${path} | sed -e "s/plugins\/\(.*\)/\1/"`.diff
+    svn diff ${url}/trunk/${path} ${url}/${tag}/${path} > $outfile 2> /dev/null
+    if [ -s $outfile ]
+    then
+      echo $outfile
+    else
+      /bin/rm $outfile
+    fi
+  fi
+done
+
+echo "Done."
+