Add -L option to limit the package status characters the user *doesn't*

want to see.

Submitted by:	Doug Barton <DougB@gorean.org>

2 files changed, 33 insertions, 6 deletions

diff --git a/usr.sbin/pkg_install/version/pkg_version.1 b/usr.sbin/pkg_install/version/pkg_version.1
index 741ef62..9e21135 100644
--- a/usr.sbin/pkg_install/version/pkg_version.1
+++ b/usr.sbin/pkg_install/version/pkg_version.1
@@ -34,6 +34,7 @@
 .Nm pkg_version
 .Op Fl cdhv
 .Op Fl l Ar limchar
+.Op Fl L Ar limchar
 .Op Ar index
 .Sh DESCRIPTION
 The
@@ -93,6 +94,15 @@ Note that because some of the status flag characters are also special
 to the shell, it is best to quote
 .Ar limchar
 with single quotes.
+.It Fl L
+Limit the output to those packages whose status flag doesn't match
+.Ar limchar .
+You may specify more than one character to match in
+.Ar limchar .  
+Note that because some of the status flag characters are also special
+to the shell, it is best to quote
+.Ar limchar
+with single quotes.
 .It Fl v
 Enable verbose output.  Verbose output includes some English-text
 interpretations of the version number comparisons, as well as the
@@ -149,7 +159,8 @@ suggestions, and then cut-and-paste (or retype) the commands you want to run.
 .Sh CONTRIBUTORS
 .An Nik Clayton Aq nik@FreeBSD.org ,
 .An Dominic Mitchell Aq dom@palmerharvey.co.uk ,
-.An Mark Ovens Aq marko@FreeBSD.org
+.An Mark Ovens Aq marko@FreeBSD.org ,
+.An Doug Barton Aq DougB@gorean.org
 .Sh BUGS
 There should be a better way of dealing with packages that
 can have more than one installed version.
diff --git a/usr.sbin/pkg_install/version/pkg_version.pl b/usr.sbin/pkg_install/version/pkg_version.pl
index 59bd29e..b4852c0 100755
--- a/usr.sbin/pkg_install/version/pkg_version.pl
+++ b/usr.sbin/pkg_install/version/pkg_version.pl
@@ -48,6 +48,7 @@ $DebugFlag = 0;
 $VerboseFlag = 0;
 $CommentChar = "#";
 $LimitFlag = "";
+$PreventFlag = "";
 
 #
 # CompareNumbers
@@ -196,7 +197,8 @@ Usage: pkg_version [-c] [-d debug] [-h] [-v] [index]
 -c              Show commands to update installed packages
 -d debug	Debugging output (debug controls level of output)
 -h		Help (this message)
--l limchar	Limit output
+-l limchar	Limit output to status flags that match
+-L limchar	Limit output to status flags that DON'T match
 -v		Verbose output
 index		URL or filename of index file
 		(Default is $IndexFile)
@@ -206,7 +208,7 @@ EOF
 #
 # Parse command-line arguments, deal with them
 #
-if (!getopts('cdhl:v') || ($opt_h)) {
+if (!getopts('cdhl:L:v') || ($opt_h)) {
     &PrintHelp();
     exit;
 }
@@ -222,6 +224,9 @@ if ($opt_d) {
 if ($opt_l) {
     $LimitFlag = $opt_l;
 }
+if ($opt_L) {
+    $PreventFlag = $opt_L;
+}
 if ($opt_v) {
     $VerboseFlag = 1;
 }
@@ -344,10 +349,21 @@ foreach $packageName (sort keys %currentPackages) {
 	$Comment = "unknown in index";
     }
 
-    if ($LimitFlag) {
-	write if $versionCode =~ m/[$LimitFlag]/o;
-    } else {
+    # Having figured out what to print, now determine, based on the
+    # $LimitFlag and $PreventFlag variables, if we should print or not.
+    if ((not $LimitFlag) and (not $PreventFlag)) {
 	write;
+    } elsif ($PreventFlag) {
+	if ($versionCode !~ m/[$PreventFlag]/o) {
+	    if (not $LimitFlag) {
+		write;
+	    } else {
+		write if $versionCode =~ m/[$LimitFlag]/o;
+	    }
+	}
+    } else {
+	# Must mean that there is a LimitFlag
+	write if $versionCode =~ m/[$LimitFlag]/o;
     }
 }