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Amy de Buitléir 2025-09-15 18:09:26 +01:00
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@ -4866,20 +4866,20 @@ together with the <em>high-level workflow</em> described in <a href="#_developme
<span class="tok-ss">inputs</span> <span class="tok-o">=</span> <span class="tok-p">{</span> <span class="tok-ss">inputs</span> <span class="tok-o">=</span> <span class="tok-p">{</span>
nixpkgs<span class="tok-o">.</span><span class="tok-ss">url</span> <span class="tok-o">=</span> <span class="tok-s2">&quot;github:NixOS/nixpkgs&quot;</span><span class="tok-p">;</span> nixpkgs<span class="tok-o">.</span><span class="tok-ss">url</span> <span class="tok-o">=</span> <span class="tok-s2">&quot;github:NixOS/nixpkgs&quot;</span><span class="tok-p">;</span>
flake-utils<span class="tok-o">.</span><span class="tok-ss">url</span> <span class="tok-o">=</span> <span class="tok-s2">&quot;github:numtide/flake-utils&quot;</span><span class="tok-p">;</span> flake-utils<span class="tok-o">.</span><span class="tok-ss">url</span> <span class="tok-o">=</span> <span class="tok-s2">&quot;github:numtide/flake-utils&quot;</span><span class="tok-p">;</span>
pandoc-columns<span class="tok-o">.</span><span class="tok-ss">url</span> <span class="tok-o">=</span> <span class="tok-s2">&quot;/home/amy/github/pandoc-columns&quot;</span><span class="tok-p">;</span> <span class="hll"> pandoc-columns<span class="tok-o">.</span><span class="tok-ss">url</span> <span class="tok-o">=</span> <span class="tok-s2">&quot;/home/amy/github/pandoc-columns&quot;</span><span class="tok-p">;</span>
<span class="tok-p">};</span> </span> <span class="tok-p">};</span>
<span class="tok-ss">outputs</span> <span class="tok-o">=</span> <span class="tok-p">{</span> self<span class="tok-p">,</span> nixpkgs<span class="tok-p">,</span> flake-utils<span class="tok-p">,</span> pandoc-columns <span class="tok-p">}:</span> <span class="hll"> <span class="tok-ss">outputs</span> <span class="tok-o">=</span> <span class="tok-p">{</span> self<span class="tok-p">,</span> nixpkgs<span class="tok-p">,</span> flake-utils<span class="tok-p">,</span> pandoc-columns <span class="tok-p">}:</span>
flake-utils<span class="tok-o">.</span>lib<span class="tok-o">.</span>eachDefaultSystem <span class="tok-p">(</span>system<span class="tok-p">:</span> </span> flake-utils<span class="tok-o">.</span>lib<span class="tok-o">.</span>eachDefaultSystem <span class="tok-p">(</span>system<span class="tok-p">:</span>
<span class="tok-k">let</span> <span class="tok-k">let</span>
<span class="hll"> <span class="tok-ss">pkgs</span> <span class="tok-o">=</span> <span class="tok-nb">import</span> nixpkgs <span class="tok-p">{</span> <span class="tok-k">inherit</span> system<span class="tok-p">;</span> <span class="tok-p">};</span> <span class="tok-ss">pkgs</span> <span class="tok-o">=</span> <span class="tok-nb">import</span> nixpkgs <span class="tok-p">{</span> <span class="tok-k">inherit</span> system<span class="tok-p">;</span> <span class="tok-p">};</span>
</span> <span class="tok-ss">customGhc</span> <span class="tok-o">=</span> pkgs<span class="tok-o">.</span>haskellPackages<span class="tok-o">.</span>ghcWithPackages <span class="tok-p">(</span>p<span class="tok-p">:</span> <span class="tok-k">with</span> p<span class="tok-p">;</span> <span class="tok-p">[</span> pandoc-columns <span class="tok-p">]);</span> <span class="hll"> <span class="tok-ss">customGhc</span> <span class="tok-o">=</span> pkgs<span class="tok-o">.</span>haskellPackages<span class="tok-o">.</span>ghcWithPackages <span class="tok-p">(</span>p<span class="tok-p">:</span> <span class="tok-k">with</span> p<span class="tok-p">;</span> <span class="tok-p">[</span> pandoc-columns <span class="tok-p">]);</span>
<span class="tok-k">in</span> </span> <span class="tok-k">in</span>
<span class="tok-p">{</span> <span class="tok-p">{</span>
<span class="tok-ss">devShells</span> <span class="tok-o">=</span> <span class="tok-k">rec</span> <span class="tok-p">{</span> <span class="tok-ss">devShells</span> <span class="tok-o">=</span> <span class="tok-k">rec</span> <span class="tok-p">{</span>
<span class="hll"> <span class="tok-ss">default</span> <span class="tok-o">=</span> pkgs<span class="tok-o">.</span>mkShell <span class="tok-p">{</span> <span class="tok-ss">default</span> <span class="tok-o">=</span> pkgs<span class="tok-o">.</span>mkShell <span class="tok-p">{</span>
</span> <span class="tok-ss">buildInputs</span> <span class="tok-o">=</span> <span class="tok-p">[</span> customGhc <span class="tok-p">];</span> <span class="hll"> <span class="tok-ss">buildInputs</span> <span class="tok-o">=</span> <span class="tok-p">[</span> customGhc <span class="tok-p">];</span>
<span class="tok-p">};</span> </span> <span class="tok-p">};</span>
<span class="tok-p">};</span> <span class="tok-p">};</span>
<span class="tok-p">}</span> <span class="tok-p">}</span>
<span class="tok-p">);</span> <span class="tok-p">);</span>
@ -4888,6 +4888,12 @@ together with the <em>high-level workflow</em> described in <a href="#_developme
</div> </div>
</div> </div>
<div class="paragraph"> <div class="paragraph">
<p>Line 5 adds <code>pandoc-columns</code> as an input to this flake.
Line 8 allows the output function to reference <code>pandoc-columns</code>.
Line 12 makes a custom GHC that knows about <code>pandoc-columns</code>,
and line 17 uses the custom GHC as a build input for this flake.</p>
</div>
<div class="paragraph">
<p>Here&#8217;s a short Haskell program that uses it.</p> <p>Here&#8217;s a short Haskell program that uses it.</p>
</div> </div>
<div class="listingblock"> <div class="listingblock">
@ -5638,7 +5644,7 @@ Hello from your flake!</pre>
</div> </div>
<div id="footer"> <div id="footer">
<div id="footer-text"> <div id="footer-text">
Last updated 2025-09-15 18:02:04 IST Last updated 2025-09-15 18:08:41 IST
</div> </div>
</div> </div>
</body> </body>

2
source/recipes/devshell/haskell-pkg/main.adoc0
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@ -32,7 +32,7 @@ Line 8 allows the output function to reference `pandoc-columns`.
Line 12 makes a custom GHC that knows about `pandoc-columns`, Line 12 makes a custom GHC that knows about `pandoc-columns`,
and line 17 uses the custom GHC as a build input for this flake. and line 17 uses the custom GHC as a build input for this flake.
Here's a short Haskell program that uses it. Here's a short Haskell program that uses the new flake.
[source,haskell,linenums] [source,haskell,linenums]
.Main.hs .Main.hs