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Merge pull request #26345 from vcunat/p/doc-override-phases

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nixpkgs manual: advise against overriding whole phases
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Frederik Rietdijk 2017-06-19 09:48:01 +02:00 committed by GitHub
commit 75933da882
1 changed files with 7 additions and 1 deletions
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8
doc/stdenv.xml
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@ -318,7 +318,13 @@ containing some shell commands to be executed, or by redefining the
shell function
<varname><replaceable>name</replaceable>Phase</varname>. The former
is convenient to override a phase from the derivation, while the
latter is convenient from a build script.</para>
latter is convenient from a build script.
However, typically one only wants to <emphasis>add</emphasis> some
commands to a phase, e.g. by defining <literal>postInstall</literal>
or <literal>preFixup</literal>, as skipping some of the default actions
may have unexpected consequences.
</para>
<section xml:id="ssec-controlling-phases"><title>Controlling