From 1a1f778efd9b5b0521650d217f5df8231a04832a Mon Sep 17 00:00:00 2001
From: Tobias Geerinckx-Rice <me@tobias.gr>
Date: Sun, 24 Jun 2018 12:11:57 +0200
Subject: [PATCH] gnu: dovecot-trees: Return #t from phases.

* gnu/packages/mail.scm (dovecot-trees)[arguments]: Substitute INVOKE
for SYSTEM*.
---
 gnu/packages/mail.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gnu/packages/mail.scm b/gnu/packages/mail.scm
index aa9042edad..2393ea2ea8 100644
--- a/gnu/packages/mail.scm
+++ b/gnu/packages/mail.scm
@@ -1294,7 +1294,7 @@ (define-public dovecot-trees
        (modify-phases %standard-phases
          (add-after 'unpack 'autogen
            (lambda _
-             (zero? (system* "sh" "autogen.sh")))))))
+             (invoke "sh" "autogen.sh"))))))
     (home-page "https://0xacab.org/riseuplabs/trees")
     (synopsis "NaCL-based Dovecot email storage encryption plugin")
     (description