From ecf84b7c482e4ab0d001b0121b76f1ae11a5482b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Sun, 13 Dec 2015 19:08:20 +0100
Subject: daemon: Add '--rounds'.

* nix/nix-daemon/guix-daemon.cc (GUIX_OPT_BUILD_ROUNDS): New macro.
(options): Add --rounds.
(parse_opt): Honor it.
* doc/guix.texi (Invoking guix-daemon): Document it.
---
 doc/guix.texi | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'doc')

diff --git a/doc/guix.texi b/doc/guix.texi
index e0235b9590..29cea5cef8 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -864,6 +864,12 @@ Allow at most @var{n} build jobs in parallel.  The default value is
 locally; instead, the daemon will offload builds (@pxref{Daemon Offload
 Setup}), or simply fail.
 
+@item --rounds=@var{N}
+Build each derivation @var{n} times in a row, and raise an error if
+consecutive build results are not bit-for-bit identical.  Note that this
+setting can be overridden by clients such as @command{guix build}
+(@pxref{Invoking guix build}).
+
 @item --debug
 Produce debugging output.
 
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