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-rw-r--r--doc/manual/command-ref/conf-file.xml12
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/manual/command-ref/conf-file.xml b/doc/manual/command-ref/conf-file.xml
index c947d19fa0e1..71a34950901c 100644
--- a/doc/manual/command-ref/conf-file.xml
+++ b/doc/manual/command-ref/conf-file.xml
@@ -616,6 +616,18 @@ flag, e.g. <literal>--option gc-keep-outputs false</literal>.</para>
   </varlistentry>
 
 
+  <varlistentry xml:id="conf-build-repeat"><term><literal>build-repeat</literal></term>
+
+    <listitem><para>How many times to repeat builds to check whether
+    they are deterministic. The default value is 0. If the value is
+    non-zero, every build is repeated the specified number of
+    times. If the contents of any of the runs differs from the
+    previous ones, the build is rejected and the resulting store paths
+    are not registered as “valid” in Nix’s database.</para></listitem>
+
+  </varlistentry>
+
+
 </variablelist>
 
 </para>