Index: head/Tools/scripts/redundant-opt-files.sh
===================================================================
--- head/Tools/scripts/redundant-opt-files.sh	(nonexistent)
+++ head/Tools/scripts/redundant-opt-files.sh	(revision 408849)
@@ -0,0 +1,51 @@
+#!/bin/sh
+# redundant-opt-files.sh
+# Written by John Marino (marino@FreeBSD.org)
+#
+# This script checks every option file against the default options of
+# its port.  If they are identical, it writes the full path of the ports
+# option directory (typically in /var/db/ports) to stdout.
+# It is typically used by Synth users to identify options files that can
+# deleted in order to prevent future configuration check failures.
+
+portsdir=${PORTSDIR:-/usr/ports}
+db_dir=$(/usr/bin/make -C ${portsdir}/devel/gmake -V PORT_DBDIR 2>/dev/null)
+
+if [ ! -d "${db_dir}" ]; then
+   echo "The ${db_dir} ports option directory does not exist"
+   echo "There is nothing more to do."
+   exit
+fi
+
+catport() {
+   local category
+   local port
+   local workstr=${1#${db_dir}/}
+   local words=$(echo ${workstr} | /usr/bin/tr "_" " ");
+   for word in ${words}; do
+      category=${word}
+      break;
+   done
+   port=${workstr#${category}_}
+   echo ${portsdir}/$category/$port
+}
+
+identical_options() {
+   local origin=$(catport $1)
+   local selected_pristine=$(/usr/bin/make -C ${origin} \
+   	-V SELECTED_OPTIONS PORT_DBDIR=/dev/null)
+   local selected_now=$(/usr/bin/make -C ${origin} -V SELECTED_OPTIONS)
+   local deselected_pristine=$(/usr/bin/make -C ${origin} \
+   	-V DESELECTED_OPTIONS PORT_DBDIR=/dev/null)
+   local deselected_now=$(/usr/bin/make -C ${origin} -V DESELECTED_OPTIONS)
+   if [ "${selected_pristine}" = "${selected_now}" -a \
+        "${deselected_pristine}" = "${deselected_now}" ]; then
+      echo $1
+   fi;
+}
+
+optdirs=$(/usr/bin/find -s "${db_dir}" -type d -depth 1)
+
+for dossier in ${optdirs}; do
+  identical_options ${dossier}
+done

Property changes on: head/Tools/scripts/redundant-opt-files.sh
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+yes
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+native
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+*
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+text/plain
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