From e01b90507760a7795601e4326f95d4a7c844821b Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@derf.homelinux.org>
Date: Thu, 18 Jun 2009 21:28:27 +0200
Subject: apt-why: Added --deptype to filter packages by dependency type

---
 bin/apt-why | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'bin')

diff --git a/bin/apt-why b/bin/apt-why
index f78d2c4..9af7283 100755
--- a/bin/apt-why
+++ b/bin/apt-why
@@ -9,12 +9,16 @@ use Getopt::Long;
 
 my $cache = AptPkg::Cache->new;
 my $not = 0;
+my @deptypes;
 GetOptions(
-	"not" => \$not,
+	'not' => \$not,
+	'deptype=s' => \@deptypes,
 );
 my $packagename = shift or die("No packagename given");
 my @known;
 
+@deptypes = split(/,/, join(',', @deptypes));
+
 sub revdeps {
 	my $name = shift;
 	my $package = $cache->{$name};
@@ -22,8 +26,10 @@ sub revdeps {
 	my $rdeps = $package->{RevDependsList};
 	foreach (@$rdeps) {
 		if (
-			$cache->{$_->{ParentPkg}{Name}}->{CurrentState} eq 'Installed'
-			and $_->{DepType} !~ /^(Conflicts|Replaces|Obsoletes)$/
+			$cache->{$_->{ParentPkg}{Name}}->{CurrentState} eq 'Installed' and (
+				(not @deptypes and $_->{DepType} !~ /^(Conflicts|Replaces|Obsoletes)$/) or
+				(@deptypes and "$_->{DepType}" ~~ @deptypes)
+			)
 		) {
 			next if ($_->{ParentPkg}{Name} ~~ @known);
 			push(@return, $_->{ParentPkg}{Name});
-- 
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