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Merge pull request #53934 from Mic92/prefer-fetch-remote

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prefer-fetch-remote: an overlay to fetch on remote builders
This commit is contained in:
Jörg Thalheim
2019-01-21 10:47:59 +00:00
committed by GitHub
parent de3b2d1753 eac6797380
commit 86ef9a7766
9 changed files with 72 additions and 13 deletions
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1
doc/functions.xml
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@@ -14,4 +14,5 @@
<xi:include href="functions/fhs-environments.xml" />
<xi:include href="functions/shell.xml" />
<xi:include href="functions/dockertools.xml" />
<xi:include href="functions/prefer-remote-fetch.xml" />
</chapter>

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doc/functions/prefer-remote-fetch.xml Normal file
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@@ -0,0 +1,27 @@
<section xmlns="http://docbook.org/ns/docbook"
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns:xi="http://www.w3.org/2001/xinclude"
xml:id="sec-prefer-remote-fetch">
<title>prefer-remote-fetch overlay</title>
<para>
<function>prefer-remote-fetch</function> is an overlay that download sources
on remote builder. This is useful when the evaluating machine has a slow
upload while the builder can fetch faster directly from the source.
To use it, put the following snippet as a new overlay:
<programlisting>
self: super:
(super.prefer-remote-fetch self super)
</programlisting>
A full configuration example for that sets the overlay up for your own account,
could look like this
<programlisting>
$ mkdir ~/.config/nixpkgs/overlays/
$ cat &gt; ~/.config/nixpkgs/overlays/prefer-remote-fetch.nix &lt;&lt;EOF
self: super: super.prefer-remote-fetch self super
EOF
</programlisting>
</para>
</section>