Add new `--version' long option for getting the version (good for

comparing against the ports revision).

usr.sbin/sysrc/sysrc

@@ -37,6 +37,11 @@ BSDCFG_SHARE="/usr/share/bsdconfig"
 
 ############################################################ GLOBALS
 
+#
+# Version information
+#
+SYSRC_VERSION="6.0 Nov-07,2013"
+
 #
 # Options
 #
@@ -133,6 +138,8 @@ help()
 	      "Verbose. Print the pathname of the specific rc.conf(5)"
 	f_err "$optfmt" "" \
 	      "file where the directive was found."
+	f_err "$optfmt" "--version" \
+	      "Print version information to stdout and exit."
 	f_err "$optfmt" "-x" \
 	      "Remove variable(s) from specified file(s)."
 	f_err "\n"
@@ -195,19 +202,22 @@ jail_depend()
 [ $# -gt 0 ] || usage
 
 #
-# Check for `--help' command-line option
+# Check for `--help' and `--version' command-line option
 #
 ( # Operate in sub-shell to protect $@ in parent
 	while [ $# -gt 0 ]; do
 		case "$1" in
-		--help) exit 1;;
+		--help) help ;;
+		--version) # see GLOBALS
+			echo "$SYSRC_VERSION"
+			exit 1 ;;
 		-[fRj]) # These flags take an argument
 			shift 1;;
 		esac
 		shift 1
 	done
 	exit 0
-) || help
+) || die
 
 #
 # Process command-line flags

usr.sbin/sysrc/sysrc.8

@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd Jul 5, 2013
+.Dd Nov 7, 2013
 .Dt SYSRC 8
 .Os
 .Sh NAME
@@ -112,6 +112,8 @@ Verbose.
 Print the pathname of the specific
 .Xr rc.conf 5
 file where the directive was found.
+.It Fl -version
+Print version information to stdout and exit.
 .It Fl x
 Remove variable(s) from specified file(s).
 .El