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nix.conf: builders-use-substitutes

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Fixes #937
This commit is contained in:
Renzo Carbonara 2018-01-09 22:40:07 +01:00
parent 3cd0704387
commit b0328c244d
3 changed files with 23 additions and 2 deletions
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14
doc/manual/command-ref/conf-file.xml
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@ -321,6 +321,20 @@ false</literal>.</para>
</varlistentry>
<varlistentry><term><literal>builders-use-substitutes</literal></term>
<listitem><para>If set to <literal>true</literal>, Nix will instruct
remote build machines to use their own binary substitutes if available. In
practical terms, this means that remote hosts will fetch as many build
dependencies as possible from their own substitutes (e.g, from
<literal>cache.nixos.org</literal>), instead of waiting for this host to
upload them all. This can drastically reduce build times if the network
connection between this computer and the remote build host is slow. Defaults
to <literal>false</literal>.</para></listitem>
</varlistentry>
<varlistentry><term><literal>fallback</literal></term>
<listitem><para>If set to <literal>true</literal>, Nix will fall