From 42ac5040258da9cbd0da9bb4f9de6b82ec75a6ec Mon Sep 17 00:00:00 2001
From: Thierry Vignaud <tv@mageia.org>
Date: Tue, 5 Feb 2013 14:31:09 +0000
Subject: (_compute_pkg_total) introduce it in order to count total elements

(run) compute exact total of installed/removed packages
---
 urpm/main_loop.pm | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

(limited to 'urpm')

diff --git a/urpm/main_loop.pm b/urpm/main_loop.pm
index d760f412..4d6aba62 100644
--- a/urpm/main_loop.pm
+++ b/urpm/main_loop.pm
@@ -29,7 +29,7 @@ use urpm::select;
 use urpm::orphans;
 use urpm::get_pkgs;
 use urpm::signature;
-use urpm::util qw(difference2 find intersection member partition untaint);
+use urpm::util qw(any difference2 find intersection member partition untaint);
 
 #- global boolean options
 my ($auto_select, $no_install, $install_src, $clean, $noclean, $force, $parallel, $test);
@@ -309,6 +309,32 @@ sub _run_transaction {
     !$fatal;
 }
 
+# computes the number of packages to install or to erase -
+# side-effects: urpm->{nb_install}
+my $fullname2name_re = qr/^(.*)-[^\-]*-[^\-]*\.[^\.\-]*$/;
+sub _compute_pkg_total {
+    my ($urpm, $state, $options) = @_;
+    $urpm->{nb_install} = 0;
+
+    # first account for install/erasures we will schedule (upgrades count twice as they involve erasure of the older package):
+    foreach my $set (@{$state->{transaction} || []}) {
+	my ($install, $upgrade) = partition {
+	    my $pkg = $urpm->{depslist}[$_];
+	    $pkg && !$pkg->flag_installed;
+	} @{$set->{upgrade}};
+	my $remove = $options->{'allow-force'} ? [] : $set->{remove} || [];
+	my ($rm_count, $inst_count, $up_count) = (scalar(@$remove), scalar(values @$install), scalar(keys @$upgrade));
+	$urpm->{nb_install} += $rm_count + $inst_count + 2 * $up_count;
+    }
+
+    # account for erases added by rpm (removal through obsoletes):
+    foreach my $fn (keys %{$state->{transaction_state}{rejected} || {}}) {
+	my ($n) = $fn =~ $fullname2name_re;
+	next if !keys %{$state->{transaction_state}{rejected}{$fn}{obsoleted}};
+	$urpm->{nb_install}++ if any { !/^\Q$n/ } keys %{$state->{transaction_state}{rejected}{$fn}{obsoleted}};
+    }
+}
+
 =item run($urpm, $state, $something_was_to_be_done, $ask_unselect, $_requested, $callbacks)
 
 Run the main urpm loop:
@@ -399,6 +425,9 @@ sub run {
     my $migrate_back_rpmdb_db_version = 
       $urpm->{root} && urpm::select::should_we_migrate_back_rpmdb_db_version($urpm, $state);
 
+    #- compute package total:
+    _compute_pkg_total($urpm, $state, $options);
+
     #- now process each remove/install transaction
     foreach my $set (@{$state->{transaction} || []}) {
 
-- 
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