postfix: patch to stop hard coding SHELL

pkgs/servers/mail/postfix/2.11.nix

@@ -13,7 +13,10 @@ stdenv.mkDerivation rec {
     sha256 = "11riz8ggaa09pi8d6xv2807qp7yjn918mrylfvkfwmvcdlgwck0a";
   };
 
-  patches = [ ./postfix-2.11.0.patch ];
+  patches = [
+    ./postfix-2.11.0.patch
+    ./postfix-script-shell.patch
+  ];
 
   buildInputs = [ makeWrapper gnused db openssl cyrus_sasl ];
 

pkgs/servers/mail/postfix/3.0.nix

@@ -15,6 +15,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ makeWrapper gnused db openssl cyrus_sasl icu ];
 
+  patches = [ ./postfix-script-shell.patch ];
+
   preBuild = ''
     sed -e '/^PATH=/d' -i postfix-install
 

pkgs/servers/mail/postfix/default.nix

@@ -14,7 +14,12 @@ stdenv.mkDerivation rec {
 
   buildInputs = [db openssl cyrus_sasl bison perl];
 
-  patches = [ ./postfix-2.2.9-db.patch  ./postfix-2.2.9-lib.patch ./db-linux3.patch ];
+  patches = [
+    ./postfix-2.2.9-db.patch
+    ./postfix-2.2.9-lib.patch
+    ./db-linux3.patch
+    ./postfix-script-shell.patch
+  ];
 
   postPatch = ''
     sed -i -e s,/usr/bin,/var/run/current-system/sw/bin, \

pkgs/servers/mail/postfix/postfix-script-shell.patch

@@ -0,0 +1,21 @@
+diff --git a/conf/postfix-script b/conf/postfix-script
+index 19088a6..04fae23 100755
+--- a/conf/postfix-script
++++ b/conf/postfix-script
+@@ -43,7 +43,6 @@ FATAL="$LOGGER -p fatal"
+ PANIC="$LOGGER -p panic"
+ 
+ umask 022
+-SHELL=/bin/sh
+ 
+ #
+ # Can't do much without these in place.
+@@ -229,7 +228,7 @@ status)
+ check-fatal)
+ 	# This command is NOT part of the public interface.
+ 
+-	$SHELL $daemon_directory/post-install create-missing || {
++	$daemon_directory/post-install create-missing || {
+ 		$FATAL unable to create missing queue directories
+ 		exit 1
+ 	}