From a3d672d23de228cb2955f5825869154b77a7f5e0 Mon Sep 17 00:00:00 2001
From: Francois Pons <fpons@mandriva.com>
Date: Thu, 6 Jun 2002 15:44:27 +0000
Subject: 0.03-2mdk

---
 URPM.pm | 119 ++++++++++++++++++++++++++++++++++++++--------------------------
 1 file changed, 70 insertions(+), 49 deletions(-)

(limited to 'URPM.pm')

diff --git a/URPM.pm b/URPM.pm
index 5d712cf..2d6bb85 100644
--- a/URPM.pm
+++ b/URPM.pm
@@ -18,55 +18,6 @@ sub new {
 	  }, $class;
 }
 
-#- relocate depslist array id to use only the most recent packages,
-#- reorder info hashes to give only access to best packages.
-sub relocate_depslist {
-    my ($urpm, %options) = @_;
-    my $relocated_entries = 0;
-
-    #- reset names hash now, will be filled after.
-    $urpm->{names} = {};
-
-    foreach (@{$urpm->{depslist} || []}) {
-	#- remove access to info if arch is incompatible and only
-	#- take into account compatible arch to examine.
-	#- set names hash by prefering first better version,
-	#- then better release, then better arch.
-	if ($_->is_arch_compat) {
-	    my $p = $urpm->{names}{$_->name};
-	    if ($p) {
-		if ($_->compare_pkg($p) > 0) {
-		    $urpm->{names}{$_->name} = $_;
-		    ++$relocated_entries;
-		}
-	    } else {
-		$urpm->{names}{$_->name} = $_;
-	    }
-	} elsif ($_->arch ne 'src') {
-	    #- the package is removed, make it invisible (remove id).
-	    my $id = $_->set_id;
-
-	    #- the architecture is not compatible, this means the package is dropped.
-	    #- we have to remove its reference in provides.
-	    foreach ($_->provides) {
-		delete $urpm->{provides}{$_}{$id};
-	    }
-	}
-    }
-
-    #- relocate id used in depslist array, delete id if the package
-    #- should NOT be used.
-    #- if no entries have been relocated, we can safely avoid this computation.
-    if ($relocated_entries) {
-	foreach (@{$urpm->{depslist}}) {
-	    my $p = $urpm->{names}{$_->name} or next;
-	    $_->set_id($p->id);
-	}
-    }
-
-    $relocated_entries;
-}
-
 sub traverse {
     my ($urpm, $callback) = @_;
 
@@ -127,3 +78,73 @@ sub traverse_tag {
 
     $count;
 }
+
+#- relocate depslist array id to use only the most recent packages,
+#- reorder info hashes to give only access to best packages.
+sub relocate_depslist {
+    my ($urpm, %options) = @_;
+    my $relocated_entries = 0;
+
+    #- reset names hash now, will be filled after.
+    $urpm->{names} = {};
+
+    foreach (@{$urpm->{depslist} || []}) {
+	#- remove access to info if arch is incompatible and only
+	#- take into account compatible arch to examine.
+	#- set names hash by prefering first better version,
+	#- then better release, then better arch.
+	if ($_->is_arch_compat) {
+	    my $p = $urpm->{names}{$_->name};
+	    if ($p) {
+		if ($_->compare_pkg($p) > 0) {
+		    $urpm->{names}{$_->name} = $_;
+		    ++$relocated_entries;
+		}
+	    } else {
+		$urpm->{names}{$_->name} = $_;
+	    }
+	} elsif ($_->arch ne 'src') {
+	    #- the package is removed, make it invisible (remove id).
+	    my $id = $_->set_id;
+
+	    #- the architecture is not compatible, this means the package is dropped.
+	    #- we have to remove its reference in provides.
+	    foreach ($_->provides) {
+		delete $urpm->{provides}{$_}{$id};
+	    }
+	}
+    }
+
+    #- relocate id used in depslist array, delete id if the package
+    #- should NOT be used.
+    #- if no entries have been relocated, we can safely avoid this computation.
+    if ($relocated_entries) {
+	foreach (@{$urpm->{depslist}}) {
+	    my $p = $urpm->{names}{$_->name} or next;
+	    $_->set_id($p->id);
+	}
+    }
+
+    $relocated_entries;
+}
+
+#- resolve requires using requested tag, keep resolution state to speed process.
+#- a requested package is marked to be installed, once done, a upgrade flag or
+#- installed flag is set according to needs of package.
+#- other required package will have required flag set along with upgrade flag or
+#- installed flag.
+#- base flag should always been installed or upgraded.
+#- the following options are recognized :
+#-   check : check requires of installed packages.
+sub resolve_requires {
+    my ($urpm, $db, $state, %options);
+    my (@packages);
+
+    #- get package that need to be evaluated.
+    foreach (0 .. $#{$urpm->{depslist}}) {
+	my $pkg = $urpm->{depslist}[$_];
+	$pkg->flag_requested && !($pkg->flag_installed || $pkg->flag_upgrade) and push @packages, $_;
+    }
+    #TODO
+}
+
-- 
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