From: Vincent Pit <vince@profvince.com>
Date: Fri, 4 Sep 2009 17:04:28 +0000 (+0200)
Subject: Check in prepare() if there isn't an ebuild available yet
X-Git-Tag: v0.08~3
X-Git-Url: http://git.vpit.fr/?p=perl%2Fmodules%2FCPANPLUS-Dist-Gentoo.git;a=commitdiff_plain;h=3e56111c31afdf423151f775d2e7afd08bc16958

Check in prepare() if there isn't an ebuild available yet

Unless under --force, when an ebuild in this category is always generated.
---

diff --git a/Makefile.PL b/Makefile.PL
index 9cb62fc..a20116d 100644
--- a/Makefile.PL
+++ b/Makefile.PL
@@ -33,6 +33,7 @@ WriteMakefile(
         'Carp'              => 0,
         'CPANPLUS'          => 0,
         'Cwd'               => 0,
+        'List::Util'        => 0,
         'File::Copy'        => 0,
         'File::Path'        => 0,
         'File::Spec'        => 0,
diff --git a/lib/CPANPLUS/Dist/Gentoo.pm b/lib/CPANPLUS/Dist/Gentoo.pm
index 70fc27b..49105e8 100644
--- a/lib/CPANPLUS/Dist/Gentoo.pm
+++ b/lib/CPANPLUS/Dist/Gentoo.pm
@@ -4,6 +4,7 @@ use strict;
 use warnings;
 
 use Cwd qw/abs_path/;
+use List::Util qw/reduce/;
 use File::Copy ();
 use File::Path ();
 use File::Spec;
@@ -146,6 +147,7 @@ sub prepare {
 
  my $OK   = sub { $stat->prepared(1); 1 };
  my $FAIL = sub { $stat->prepared(0); $self->_abort(@_) if @_; 0 };
+ my $SKIP = sub { $stat->prepared(1); $stat->created(1); $self->_skip(@_) if @_; 1 };
 
  my $keywords = delete $opts{keywords};
  if (defined $keywords) {
@@ -227,24 +229,24 @@ sub prepare {
  );
  $stat->ebuild_file($file);
 
- if (-e $file) {
-  my $skip = 1;
-  if ($stat->force and not $forced{$file}) {
-   if (-w $file) {
-    1 while unlink $file;
-    $forced{$file} = 1;
-    $skip = 0;
-   } else {
-    $self->_skip("Can't force rewriting of $file");
+ if ($stat->force) {
+  # Always generate an ebuild in our category when forcing
+  if ($forced{$file}) {
+   $stat->dist($file);
+   return $SKIP->('Ebuild already forced for', $stat->distribution);
+  }
+  ++$forced{$file};
+  if (-e $file) {
+   unless (-w $file) {
+    $stat->dist($file);
+    return $SKIP->("Can't force rewriting of $file");
    }
-  } else {
-   $self->_skip('Ebuild already generated for', $stat->distribution);
+   1 while unlink $file;
   }
-  if ($skip) {
-   $stat->prepared(1);
-   $stat->created(1);
-   $stat->dist($file);
-   return 1;
+ } else {
+  if (my @match = $self->_cpan2portage($name, $version)) {
+   $stat->dist($match[1]);
+   return $SKIP->('Ebuild already generated for', $stat->distribution);
   }
  }
 
@@ -439,7 +441,12 @@ sub ebuild_source {
  my @deps;
  for (@{$stat->deps}) {
   my $dep = $self->_cpan2portage(@$_);
-  return unless defined $dep;
+  unless (defined $dep) {
+   $self->_abort(
+    "Couldn't find an appropriate ebuild for $_->[0] in the portage tree"
+   );
+   return;
+  }
   push @deps, $dep;
  }
 
@@ -482,25 +489,24 @@ sub _cpan2portage {
     "$atom-*.ebuild",
    ) or next;
 
+   my $last = reduce {
+    CPANPLUS::Dist::Gentoo::Maps::version_gcmp($b->[1], $a->[1]) >= 0 ? $b : $a
+   } map [ $_, /\Q$atom\E-v?([\d._pr-]+).*?\.ebuild$/ ? $1 : 0 ], @ebuilds;
+
+   my $dep;
    if (defined $ver) { # implies that $version is defined
-    for (@ebuilds) {
-     my ($eb_ver) = /\Q$atom\E-v?([\d._pr-]+).*?\.ebuild$/;
-     return ">=$category/$atom-$ver"
-            if  defined $eb_ver
-            and CPANPLUS::Dist::Gentoo::Maps::version_gcmp($eb_ver, $ver) >= 0;
-    }
+    next unless
+              CPANPLUS::Dist::Gentoo::Maps::version_gcmp($last->[1], $ver) >= 0;
+    $dep = ">=$category/$atom-$ver";
    } else {
-    return "$category/$atom";
+    $dep = "$category/$atom";
    }
 
+   return wantarray ? ($dep, $last->[0]) : $dep;
   }
 
  }
 
- $self->_abort(
-  "Couldn't find an appropriate ebuild for $name in the portage tree"
- );
-
  return;
 }