Packaging/Tutorial: Difference between revisions

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<li>Modify source URL and sha256. Don't forget about that sha256 stuff! What I do, I change last symbol of sha256, let the package fail, and then paste correct sha256 again into expression. There are also various prefetch techniques</li>

<li>Run <code>nix-shell</code> on this expression. Then run in order:

<syntaxhighlight lang="~~bash~~"> $ unpackPhase

$ cd DIR_AFTER_UNPACK

$ unpackPhase

$ patchPhase

$ cd DIR_AFTER_UNPACK

$ configurePhase

$ patchPhase

$ buildPhase</syntaxhighlight>

$ configurePhase

$ buildPhase</syntaxhighlight>

(visit [https://nixos.org/nixpkgs/manual/#sec-stdenv-phases stdenv-phases] chapter to learn more about phases)</li></ol>

You may need to run <~~code~~>$ eval ~~"~~$configurePhase~~"~~</~~code~~> sometimes if build expression overrides that phase.

You may need to run <syntaxhighlight lang="console" inline>$ eval "$configurePhase"</syntaxhighlight> sometimes if build expression overrides that phase.

It most likely will fail.

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In first case, you can run

<syntaxhighlight lang="~~bash~~"> $ installPhase</syntaxhighlight>

$ installPhase

</syntaxhighlight>

directly and examine using <code>tree $out</code> your package files. If something is missing or too many, fix the <code>postInstallPhase</code> or <code>preInstallPhase</code> or <code>installPhase</code> in your expression.

@@ Line 13: / Line 13: @@
 <li><p>Modify source URL and sha256. Don't forget about that sha256 stuff! What I do, I change last symbol of sha256, let the package fail, and then paste correct sha256 again into expression. There are also various prefetch techniques</p></li>
 <li><p>Run <code>nix-shell</code> on this expression. Then run in order:</p>
-<syntaxhighlight lang="bash">  $ unpackPhase
+<syntaxhighlight lang="console">
-  $ cd DIR_AFTER_UNPACK
+$ unpackPhase
-  $ patchPhase
+$ cd DIR_AFTER_UNPACK
-  $ configurePhase
+$ patchPhase
-  $ buildPhase</syntaxhighlight>
+$ configurePhase
+$ buildPhase</syntaxhighlight>
 <p>(visit [https://nixos.org/nixpkgs/manual/#sec-stdenv-phases stdenv-phases] chapter to learn more about phases)</p></li></ol>
-You may need to run <code>$ eval &quot;$configurePhase&quot;</code> sometimes if build expression overrides that phase.
+You may need to run <syntaxhighlight lang="console" inline>$ eval "$configurePhase"</syntaxhighlight> sometimes if build expression overrides that phase.
 It most likely will fail.
@@ Line 53: / Line 54: @@
 In first case, you can run
-<syntaxhighlight lang="bash">  $ installPhase</syntaxhighlight>
+<syntaxhighlight lang="console">
+$ installPhase
+</syntaxhighlight>
 directly and examine using <code>tree $out</code> your package files. If something is missing or too many, fix the <code>postInstallPhase</code> or <code>preInstallPhase</code> or <code>installPhase</code> in your expression.