mdebray/tvl-depot
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Explain fetchTarball timeout behavior in the doc

Browse source
This commit is contained in:
Michael Mercier 2018-05-16 17:48:36 +02:00 committed by Graham Christensen
parent 966407bcf1
commit 8dd2e28374
No known key found for this signature in database
GPG key ID: ACA1C1D120C83D5C
1 changed files with 10 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
doc/manual/expressions/builtins.xml
View file

@ -280,8 +280,17 @@ with import (fetchTarball https://github.com/NixOS/nixpkgs-channels/archive/nixo
stdenv.mkDerivation { … } stdenv.mkDerivation { … }
</programlisting> </programlisting>
</para>
Note that when obtaining the hash with <varname>nix-prefetch-url <para>The fetched tarball is cached for a certain amount of time
(1 hour by default) in <filename>~/.cache/nix/tarballs/</filename>.
You can change the cache timeout either on the command line with
<option>--option tarball-ttl <replaceable>number of seconds</replaceable></option> or
in the Nix configuration file with this option:
<literal>tarball-ttl <replaceable>number of seconds to cache</replaceable></literal>.
</para>
<para>Note that when obtaining the hash with <varname>nix-prefetch-url
</varname> the option <varname>--unpack</varname> is required. </varname> the option <varname>--unpack</varname> is required.
</para> </para>