diff options
Diffstat (limited to 'bin/apt-why')
| -rwxr-xr-x | bin/apt-why | 28 |
1 files changed, 7 insertions, 21 deletions
diff --git a/bin/apt-why b/bin/apt-why index b9df057..97af4b9 100755 --- a/bin/apt-why +++ b/bin/apt-why @@ -5,7 +5,7 @@ use AptPkg::Cache; use Switch; my $cache = AptPkg::Cache->new; -my $packagename = pop or dir("No packagename given"); +my $packagename = pop or die("No packagename given"); my $query = shift || ''; my $package = $cache->{$packagename}; @@ -110,15 +110,15 @@ __END__ =head1 NAME -apt-perl - reverse dependency displayer using AptPkg::Cache +apt-why - filtered reverse dependency displayer using AptPkg::Cache =head1 SYNOPSIS -B<apt-perl> I<command> I<package> +B<apt-why> [ B<not> ] I<package> =head1 DESCRIPTION -B<apt-perl> displays various informations based on a I<package>s reverse +B<apt-why> displays various informations based on a I<package>s reverse dependencies The output is prefixed by two charactes, the former representing the desired @@ -128,20 +128,6 @@ The states are I<i>nstall, I<h>old, I<r>emove (deinstall), I<p>urge, I<u>npacked, halI<f> configured, I<h>alf installed, I<c>onfigfiles installed. An empty field means not installed. -I<command> may be one of: - -=over - -=item why - -Show dependencies that justify the installation of a package - -=item why-not - -Show dependencies that prohibit the installation of a package - -=item rdeps - -Show all reverse dependencies of a package - -=back +If B<not> is specified, reverse dependencies prohibiting the install of +I<package> are shown. Else, reverse dependencies justifying the install +of I<package> are shown |