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# Describe a particular number:
if (my @r = parse_range(@args)) {
my @search_results = $o->cache_sets('search');
my $search_result_current = $o->cache_set_current('search');
unless (bounded(0, $search_result_current, $#search_results)) {
$o->inform(""No search results to show dependency tree for -- "" .
""use 'search' to find a package.\n"");
return;
}
else {
for my $n (@r) {
my $sr = $o->cache_set('search');
$o->inform(""$SEP\n"");
if (bounded(1, $n, scalar @$sr)) {
$o->inform(""Package $n:\n"");
$o->tree_pkg($o->cache_entry('search', $n-1));
}
else {
$o->inform(""No such package $n in result set.\n"");
}
$o->cache_set_index('search', $n - 1);
}
$o->inform(""$SEP\n"");
}
}
# Describe a particular package
else {
return unless $o->assert(
scalar $o->reps_on,
""No repositories -- use 'rep add' to add a repository.\n""
);
my $pkg =
PPM::UI::describe([$o->reps_on], $o->conf('target'), $args[0]);
unless ($pkg->is_success) {
$o->warn($pkg->msg);
return unless $pkg->ok;
}
if ($pkg->ok) {
$o->inform(""$SEP\n"");
$o->tree_pkg($pkg->result);
$o->inform(""$SEP\n"");
}
}
}
1;
}
#============================================================================
# Describe:
# des # describes default or current package
# des <\d+> # describes numbered package in the current search set
# des <pkg> # describes the named package (bypasses cached results)
# des <url> # describes the package located at <url>
#============================================================================
sub smry_describe { ""describes packages in detail"" }
sub help_describe { <<'END' }
describe -- Describe Packages
Synopsis
des Describes default/current package
des <number> Describes package <number> in the
current search set
des <range> Describes packages in the given
<range> from the current search
des <package name> Describes named package
des <url> Describes package located at <url>
des <glob pattern> Performes a new search using <glob pattern>
Description
The describe command returns information about a package, including the
name of the package, the author's name and a brief description (called
an ""Abstract"") about the package. For example:
describe libnet
returns:
===============================
Package 1
Name: libnet
Version: 1.07.03
Author: Graham Barr
Abstract: Collection of Network protocol modules
Implementations:
1.sun4-solaris-thread-multi
2.i686-linux-thread-multi
3.MSWIn32-x86-multi-thread
===============================
There are two modifiers to the describe command:
-ppd
Displays the raw PPD of the package.
-dump
The same as -ppd.
When the describe command is called without arguments, it returns
information about the first package in the current search. If there is