From 8bc61b700b63eaeac6a1699560bbf3c81b9d38b0 Mon Sep 17 00:00:00 2001
From: Sergiy Borodych <Sergiy.Borodych@gmail.com>
Date: Thu, 10 Nov 2016 18:11:37 +0200
Subject: [PATCH] detect PORTDIR & PORTDIR_OVERLAY by Portage::Q
 get_repos/get_repo_path

 if they not comes from env
this commit should fix gentoo bug #581490 and fix #26 (github)
---
 lib/App/gcpan.pm | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/lib/App/gcpan.pm b/lib/App/gcpan.pm
index efd0305..a94658d 100644
--- a/lib/App/gcpan.pm
+++ b/lib/App/gcpan.pm
@@ -57,6 +57,15 @@ sub setup_env {
         PORTDIR_OVERLAY => $portageq->envvar('PORTDIR_OVERLAY'),
     );
 
+    # retrive PORTDIR & PORTDIR_OVERLAY from repos.conf if they not set in make.conf
+    $env{PORTDIR} ||= $portageq->get_repo_path( $portageq->envvar('EROOT'), 'gentoo' );
+    unless ( $env{PORTDIR_OVERLAY} ) {
+        my $eroot = $portageq->envvar('EROOT');
+        my $repos = $portageq->get_repos($eroot);
+        $env{PORTDIR_OVERLAY} = join ' ',
+          map { $portageq->get_repo_path( $eroot, $_ ) } grep { $_ ne 'gentoo' } @$repos;
+    }
+
     return \%env;
 }