gnu: gnu-pw-mgr: Update to 2.7.

* gnu/packages/gnu-pw-mgr.scm (gnu-pw-mgr): Update to 2.7.
[arguments]: Add new phase to work around /dev/tty not being available
in the build environment.

gnu/packages/gnu-pw-mgr.scm

@@ -1,7 +1,7 @@
 ;;; GNU Guix --- Functional package management for GNU
 ;;; Copyright © 2013 Eric Bavier <bavier@member.fsf.org>
 ;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
-;;; Copyright © 2016, 2018 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2016, 2018, 2020 Efraim Flashner <efraim@flashner.co.il>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -30,7 +30,7 @@
 (define-public gnu-pw-mgr
   (package
     (name "gnu-pw-mgr")
-    (version "2.4.2")
+    (version "2.7")
     (source
      (origin
       (method url-fetch)
@@ -38,7 +38,7 @@
                           version ".tar.xz"))
       (sha256
        (base32
-        "1yvdzc5w37qrjrkby5699ygj9bhkvgi3zk9k9jcjry1j6b7wdl17"))))
+        "1ra8in91qx6n8jydb8kwl2rnqaa2hix5pyawn6nvyqs815h9gx17"))))
     (build-system gnu-build-system)
     (arguments
      '(#:phases
@@ -47,6 +47,12 @@
            (lambda _
              (substitute* "tests/dom.test"
                (("/usr/bin/printf") (which "printf")))
+             #t))
+         (add-before 'check 'pre-check
+           (lambda _
+             ;; In build environment, There is no /dev/tty
+             (substitute* "tests/base.test"
+               (("/dev/tty") "/dev/null"))
              #t)))))
     (native-inputs
      `(("which" ,which)))