From 37ff27c591a367947e6ccb85998cc1e34970a133 Mon Sep 17 00:00:00 2001
From: David Bremner <bremner@debian.org>
Date: Tue, 22 Sep 2015 09:53:22 -0300
Subject: update template substitution

make more robust, fix name error, fix chmod error
---
 dh_elpa | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/dh_elpa b/dh_elpa
index dec995e..3ca503e 100755
--- a/dh_elpa
+++ b/dh_elpa
@@ -109,11 +109,18 @@ sub maybe_install_helper{
     if (! -d "$ecdest/$piece") {
       doit("install","-d","$ecdest/$piece");
     }
-    Debian::Debhelper::Dh_Lib::autoscript_sed (sub {s/#ELPAPACKAGE#/$desc->{'ELPA-Package'}/;
-						    s/#ELPAVERSION#/$desc->{'ELPA-Version'}/; },
-					       "$templatedir/$piece", $target);
+    unlink $target; # ignore errors
+
+    my $elpapackage = $desc->{'ELPA-Name'} or
+      error "elpa package name not found";
 
-    chmod $mode, $target;
+    my $elpaversion = $desc->{'ELPA-Version'} or
+      error "elpa version not found";
+
+    Debian::Debhelper::Dh_Lib::autoscript_sed (sub {s/#ELPAPACKAGE#/$elpapackage/;
+						    s/#ELPAVERSION#/$elpaversion/; },
+					       "$templatedir/$piece", $target);
+    chmod oct($mode), $target;
   }
 }
 
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