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Intro: Mention binary caches

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This commit is contained in:
Eelco Dolstra 2014-11-25 15:55:28 +01:00
parent d4c8ee7059
commit 5f04da905f
1 changed files with 10 additions and 3 deletions
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13
doc/manual/introduction/about-nix.xml
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@ -161,13 +161,19 @@ library and the compiler) would have to built, at least if they are
not already in the Nix store. This is a <emphasis>source deployment not already in the Nix store. This is a <emphasis>source deployment
model</emphasis>. For most users, building from source is not very model</emphasis>. For most users, building from source is not very
pleasant as it takes far too long. However, Nix can automatically pleasant as it takes far too long. However, Nix can automatically
skip building from source and download a pre-built binary instead if skip building from source and instead use a <emphasis>binary
it knows about it. <emphasis>Nix channels</emphasis> provide Nix cache</emphasis>, a web server that provides pre-built binaries. For
expressions along with pre-built binaries.</para> instance, when asked to build
<literal>/nix/store/b6gvzjyb2pg0…-firefox-33.1</literal> from source,
Nix would first check if the file
<uri>http://cache.nixos.org/b6gvzjyb2pg0….narinfo</uri> exists, and if
so, fetch the pre-built binary referenced from there; otherwise, it
would fall back to building from source.</para>
</simplesect> </simplesect>
<!--
<simplesect><title>Binary patching</title> <simplesect><title>Binary patching</title>
<para>In addition to downloading binaries automatically if they’re <para>In addition to downloading binaries automatically if they’re
@ -176,6 +182,7 @@ package in the Nix store into a new version. This speeds up
upgrades.</para> upgrades.</para>
</simplesect> </simplesect>
-->
<simplesect><title>Nix Packages collection</title> <simplesect><title>Nix Packages collection</title>