quilt: Upgrade to 0.65.

* gnu/packages/patches/quilt-test-fix-regex.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/patchutils.scm (quilt)[version]: Upgrade to 0.65.
[source]: Use patch.
[arguments]: Adjust 'patch-tests' phase for new tests.  Re-enable "mail"
test.

gnu/local.mk

@@ -1101,6 +1101,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/qtscript-disable-tests.patch		\
   %D%/packages/patches/quagga-reproducible-build.patch          \
   %D%/packages/patches/quickswitch-fix-dmenu-check.patch	\
+  %D%/packages/patches/quilt-test-fix-regex.patch		\
   %D%/packages/patches/qtwebkit-pbutils-include.patch		\
   %D%/packages/patches/rapicorn-isnan.patch			\
   %D%/packages/patches/raptor2-heap-overflow.patch		\

gnu/packages/patches/quilt-test-fix-regex.patch

@@ -0,0 +1,41 @@
+From 5193b137b5a9034ce79946edd40760df2f63a82a Mon Sep 17 00:00:00 2001
+From: Jean Delvare <jdelvare@suse.de>
+Date: Tue, 25 Apr 2017 15:17:53 +0200
+Subject: test: Escape curly braces in regex
+
+Curly braces in perl regex are supposed to be escaped, recent
+versions of perl complain when they aren't:
+
+Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/%{ <-- HERE (\w+)}/ at ./run line 114.
+Unescaped left brace in regex is deprecated, passed through in regex; marked by <-- HERE in m/%{ <-- HERE \?}/ at ./run line 290.
+
+Signed-off-by: Jean Delvare <jdelvare@suse.de>
+---
+ test/run | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git a/test/run b/test/run
+index 942014e..03afc7a 100755
+--- a/test/run
++++ b/test/run
+@@ -112,7 +112,7 @@ sub flush_output()
+ sub substitute_vars($)
+ {
+ 	my ($line) = @_;
+-	$line =~ s[%{(\w+)}][defined $ENV{$1} ? $ENV{$1} : ""]eg;
++	$line =~ s[%\{(\w+)\}][defined $ENV{$1} ? $ENV{$1} : ""]eg;
+ 	return $line;
+ }
+ 
+@@ -288,7 +288,7 @@ while (defined(my $line = <SOURCE>)) {
+ 	# Parse the next command
+ 	if ($line =~ s/^\s*\$ ?//) {
+ 		# Substitute %{?} with the last command's status
+-		$line =~ s[%{\?}][$last_status]eg;
++		$line =~ s[%\{\?\}][$last_status]eg;
+ 
+ 		chomp($prog = substitute_vars($line));
+ 		$prog_line = $lineno;
+-- 
+cgit v1.0-41-gc330
+

gnu/packages/patchutils.scm

@@ -1,5 +1,5 @@
 ;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2014 Eric Bavier <bavier@member.fsf.org>
+;;; Copyright © 2014, 2018 Eric Bavier <bavier@member.fsf.org>
 ;;; Copyright © 2015, 2018 Leo Famulari <leo@famulari.name>
 ;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;;
@@ -92,7 +92,7 @@ (define-public patchutils
 (define-public quilt
   (package
     (name "quilt")
-    (version "0.61")
+    (version "0.65")
     (source
      (origin
       (method url-fetch)
@@ -100,7 +100,8 @@ (define-public quilt
                           name "-" version ".tar.gz"))
       (sha256
        (base32
-        "1hwz58djkq9cv46sjwxbp2v5m8yjr41kd0nm1zm1xm6418khmv0y"))))
+        "06b816m2gz9jfif7k9v2hrm7fz76zjg5pavf7hd3ifybwn4cgjzn"))
+      (patches (search-patches "quilt-test-fix-regex.patch"))))
     (build-system gnu-build-system)
     (inputs `(("perl" ,perl)
               ("less" ,less)
@@ -116,8 +117,16 @@ (define-public quilt
                  '("test/run"
                    "test/edit.test") 
                (("/bin/sh") (which "sh")))
-             ;; TODO: Run the mail tests once the mail feature can be supported.
+             (substitute* "test/create-delete.test"
-             (delete-file "test/mail.test")
+               ;; We'd rather use quilt's compat/getopt than declare a
+               ;; dependency on util-linux, but this test fails because of
+               ;; compat/getopt's handling of "---" in this test, so remove it
+               ;; for now.
+               ((" ---") ""))
+             (substitute* '("test/empty-files.test" "test/faildiff.test")
+               ;; compat/getopt seems not to handle splitting of short opts
+               ;; from its arguments.
+               (("-pab") "-p ab"))
              #t))
          (add-after 'install 'wrap-program
            ;; quilt's configure checks for the absolute path to the utilities it