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index.html
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index.html
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@ -194,6 +194,8 @@
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<ul class="sectlevel3">
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<li><a href="#_a_top_level_package_from_the_nixpkgsnixos_repo_3">10.3.1. A top level package from the Nixpkgs/NixOS repo</a></li>
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<li><a href="#_a_flake_2">10.3.2. A flake</a></li>
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<li><a href="#_access_to_a_haskell_library_package_in_the_nixpkgs_repo_without_a_cabal_file">10.3.3. Access to a Haskell library package in the nixpkgs repo (without a <code>.cabal</code> file)</a></li>
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<li><a href="#_in_a_haskell_script">10.3.4. In a Haskell script</a></li>
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</ul>
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</li>
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<li><a href="#_development_shells_with_access_to">10.4. Development shells with access to…​</a>
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@ -201,34 +203,27 @@
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<li><a href="#_a_top_level_package_from_the_nixpkgsnixos_repo_4">10.4.1. A top level package from the Nixpkgs/NixOS repo</a></li>
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<li><a href="#_a_flake_3">10.4.2. A flake</a></li>
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<li><a href="#_a_haskell_library_package_in_the_nixpkgs_repo_without_a_cabal_file">10.4.3. A Haskell library package in the nixpkgs repo (without a <code>.cabal</code> file)</a></li>
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<li><a href="#_a_non_flake_package_not_in_nixpkgs">10.4.4. A non-flake package (not in nixpkgs)</a></li>
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</ul>
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</li>
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<li><a href="#_an_old_style_nix_shell_with_access_to_a_flake">10.5. An (old-style) Nix shell with access to a flake</a></li>
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<li><a href="#_access_to_a_package_defined_in_a_remote_git_repo">10.6. Access to a package defined in a remote git repo</a></li>
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<li><a href="#_access_to_a_haskell_library_package_in_the_nixpkgs_repo_without_a_cabal_file">10.7. Access to a Haskell library package in the nixpkgs repo (without a <code>.cabal</code> file)</a>
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<li><a href="#_access_to_a_haskell_package_on_your_local_computer">10.6. Access to a Haskell package on your local computer</a>
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<ul class="sectlevel3">
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<li><a href="#_in_a_haskell_script">10.7.1. In a Haskell script</a></li>
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<li><a href="#_in_shell_nix">10.6.1. In <code>shell.nix</code></a></li>
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</ul>
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</li>
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<li><a href="#_access_to_a_haskell_package_on_your_local_computer">10.8. Access to a Haskell package on your local computer</a>
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<li><a href="#_access_to_a_haskell_package_on_your_local_computer_with_inter_dependencies">10.7. Access to a Haskell package on your local computer, with inter-dependencies</a>
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<ul class="sectlevel3">
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<li><a href="#_in_shell_nix">10.8.1. In <code>shell.nix</code></a></li>
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<li><a href="#_in_shell_nix_2">10.7.1. In <code>shell.nix</code></a></li>
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</ul>
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</li>
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<li><a href="#_access_to_a_haskell_package_on_your_local_computer_with_inter_dependencies">10.9. Access to a Haskell package on your local computer, with inter-dependencies</a>
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<li><a href="#_access_to_a_python_library_package_in_the_nixpkgs_repo_without_using_a_python_builder">10.8. Access to a Python library package in the nixpkgs repo (without using a Python builder)</a>
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<ul class="sectlevel3">
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<li><a href="#_in_shell_nix_2">10.9.1. In <code>shell.nix</code></a></li>
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<li><a href="#_in_a_python_script">10.8.1. In a Python script</a></li>
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</ul>
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</li>
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<li><a href="#_access_to_a_python_library_package_in_the_nixpkgs_repo_without_using_a_python_builder">10.10. Access to a Python library package in the nixpkgs repo (without using a Python builder)</a>
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<li><a href="#_set_an_environment_variable">10.9. Set an environment variable</a>
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<ul class="sectlevel3">
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<li><a href="#_in_a_python_script">10.10.1. In a Python script</a></li>
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</ul>
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</li>
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<li><a href="#_set_an_environment_variable">10.11. Set an environment variable</a>
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<ul class="sectlevel3">
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<li><a href="#_in_shell_nix_3">10.11.1. In <code>shell.nix</code></a></li>
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<li><a href="#_in_shell_nix_3">10.9.1. In <code>shell.nix</code></a></li>
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</ul>
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</li>
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</ul>
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@ -4222,6 +4217,66 @@ However, you can use any of the flake reference styles defined in <a href="#flak
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</div>
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</div>
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</div>
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<div class="sect3">
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<h4 id="_access_to_a_haskell_library_package_in_the_nixpkgs_repo_without_a_cabal_file">10.3.3. Access to a Haskell library package in the nixpkgs repo (without a <code>.cabal</code> file)</h4>
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<div class="paragraph">
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<p>Occasionally you might want to run a short Haskell program that depends on a Haskell library,
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but you don’t want to bother writing a cabal file.</p>
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</div>
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<div class="paragraph">
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<p>Example: Access the <code>containers</code> package from the <code>haskellPackages</code> set in the nixpkgs repo.</p>
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</div>
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<div class="paragraph">
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<p>Unresolved directive in recipes/shebang/haskell-nixpkg/main-generated.adoc - include::shell/main-generated.adoc[leveloffset=+1]</p>
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</div>
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<div class="paragraph">
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<p>Unresolved directive in recipes/shebang/haskell-nixpkg/main-generated.adoc - include::shebang/main-generated.adoc[leveloffset=+1]</p>
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</div>
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</div>
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<div class="sect3">
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<h4 id="_in_a_haskell_script">10.3.4. In a Haskell script</h4>
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<div class="listingblock">
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<div class="title">Script</div>
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<div class="content">
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<pre class="pygments highlight nowrap" style="background: #f8f8f8;"><code data-lang="haskell"><div class="lineno"><table class="linenotable"><tr><td class="linenos"><div class="linenodiv"><pre><span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 1</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 2</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 3</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 4</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 5</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 6</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 7</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 8</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 9</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">10</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">11</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">12</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">13</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">14</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">15</span></pre></div></td><td class="code"><div><pre style="line-height: 125%;"><span></span><span style="color: #666666">#!</span><span style="color: #bbbbbb"> </span><span style="color: #666666">/</span>usr<span style="color: #666666">/</span>bin<span style="color: #666666">/</span>env<span style="color: #bbbbbb"> </span>nix<span style="color: #666666">-</span>shell
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<span style="color: #666666">#!</span><span style="color: #bbbbbb"> </span>nix<span style="color: #666666">-</span>shell<span style="color: #bbbbbb"> </span><span style="color: #666666">-</span>p<span style="color: #bbbbbb"> </span><span style="color: #BA2121">"haskellPackages.ghcWithPackages (p: [p.containers])"</span>
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<span style="color: #666666">#!</span><span style="color: #bbbbbb"> </span>nix<span style="color: #666666">-</span>shell<span style="color: #bbbbbb"> </span><span style="color: #666666">-</span>i<span style="color: #bbbbbb"> </span>runghc
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<span style="color: #008000; font-weight: bold">import</span><span style="color: #bbbbbb"> </span><span style="color: #0000FF; font-weight: bold">Data.Map</span>
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<span style="color: #0000FF">m</span><span style="color: #bbbbbb"> </span><span style="color: #AA22FF; font-weight: bold">::</span><span style="color: #bbbbbb"> </span><span style="color: #B00040">Map</span><span style="color: #bbbbbb"> </span><span style="color: #B00040">String</span><span style="color: #bbbbbb"> </span><span style="color: #B00040">Int</span>
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<span style="color: #0000FF">m</span><span style="color: #bbbbbb"> </span><span style="color: #AA22FF; font-weight: bold">=</span><span style="color: #bbbbbb"> </span>fromList<span style="color: #bbbbbb"> </span>[(<span style="color: #BA2121">"cats"</span>,<span style="color: #bbbbbb"> </span><span style="color: #666666">3</span>),<span style="color: #bbbbbb"> </span>(<span style="color: #BA2121">"dogs"</span>,<span style="color: #bbbbbb"> </span><span style="color: #666666">2</span>)]
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<span style="color: #0000FF">main</span><span style="color: #bbbbbb"> </span><span style="color: #AA22FF; font-weight: bold">::</span><span style="color: #bbbbbb"> </span><span style="color: #B00040">IO</span><span style="color: #bbbbbb"> </span><span style="color: #008000">()</span>
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<span style="color: #0000FF">main</span><span style="color: #bbbbbb"> </span><span style="color: #AA22FF; font-weight: bold">=</span><span style="color: #bbbbbb"> </span><span style="color: #008000; font-weight: bold">do</span>
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<span style="color: #bbbbbb"> </span><span style="color: #008000; font-weight: bold">let</span><span style="color: #bbbbbb"> </span>cats<span style="color: #bbbbbb"> </span><span style="color: #AA22FF; font-weight: bold">=</span><span style="color: #bbbbbb"> </span>findWithDefault<span style="color: #bbbbbb"> </span><span style="color: #666666">0</span><span style="color: #bbbbbb"> </span><span style="color: #BA2121">"cats"</span><span style="color: #bbbbbb"> </span>m
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<span style="color: #bbbbbb"> </span><span style="color: #008000; font-weight: bold">let</span><span style="color: #bbbbbb"> </span>dogs<span style="color: #bbbbbb"> </span><span style="color: #AA22FF; font-weight: bold">=</span><span style="color: #bbbbbb"> </span>findWithDefault<span style="color: #bbbbbb"> </span><span style="color: #666666">0</span><span style="color: #bbbbbb"> </span><span style="color: #BA2121">"dogs"</span><span style="color: #bbbbbb"> </span>m
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<span style="color: #bbbbbb"> </span><span style="color: #008000; font-weight: bold">let</span><span style="color: #bbbbbb"> </span>zebras<span style="color: #bbbbbb"> </span><span style="color: #AA22FF; font-weight: bold">=</span><span style="color: #bbbbbb"> </span>findWithDefault<span style="color: #bbbbbb"> </span><span style="color: #666666">0</span><span style="color: #bbbbbb"> </span><span style="color: #BA2121">"zebras"</span><span style="color: #bbbbbb"> </span>m
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<span style="color: #bbbbbb"> </span>print<span style="color: #bbbbbb"> </span><span style="color: #666666">$</span><span style="color: #bbbbbb"> </span><span style="color: #BA2121">"I have "</span><span style="color: #bbbbbb"> </span><span style="color: #666666">++</span><span style="color: #bbbbbb"> </span>show<span style="color: #bbbbbb"> </span>cats<span style="color: #bbbbbb"> </span><span style="color: #666666">++</span><span style="color: #bbbbbb"> </span><span style="color: #BA2121">" cats, "</span><span style="color: #bbbbbb"> </span><span style="color: #666666">++</span><span style="color: #bbbbbb"> </span>show<span style="color: #bbbbbb"> </span>dogs<span style="color: #bbbbbb"> </span><span style="color: #666666">++</span><span style="color: #bbbbbb"> </span><span style="color: #BA2121">" dogs, and "</span><span style="color: #bbbbbb"> </span><span style="color: #666666">++</span><span style="color: #bbbbbb"> </span>show<span style="color: #bbbbbb"> </span>zebras<span style="color: #bbbbbb"> </span><span style="color: #666666">++</span><span style="color: #bbbbbb"> </span><span style="color: #BA2121">" zebras."</span>
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</pre></div></td></tr></table></div></code></pre>
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</div>
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</div>
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<div class="literalblock">
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<div class="title">Output</div>
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<div class="content">
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<pre class="nowrap">"I have 3 cats, 2 dogs, and 0 zebras."</pre>
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</div>
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</div>
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</div>
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</div>
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<div class="sect2">
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<h3 id="_development_shells_with_access_to">10.4. Development shells with access to…​</h3>
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@ -4506,83 +4561,8 @@ $ runghc Main.hs
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"I have 3 cats, 2 dogs, and 0 zebras."</pre>
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</div>
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</div>
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</div>
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<div class="sect3">
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<h4 id="_a_non_flake_package_not_in_nixpkgs">10.4.4. A non-flake package (not in nixpkgs)</h4>
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<div class="paragraph">
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<p>In this example, we will use a nix package defined in a remote git repo.
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However, you can use any of the flake reference styles defined in <a href="#flakeref">Section 10.1.2, “Flakes”</a>.</p>
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</div>
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<div class="listingblock">
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<div class="title">flake.nix</div>
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<div class="content">
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<pre class="pygments highlight nowrap" style="background: #f8f8f8;"><code data-lang="nix"><div class="lineno"><table class="linenotable"><tr><td class="linenos"><div class="linenodiv"><pre><span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 1</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 2</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 3</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 4</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 5</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 6</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 7</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 8</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 9</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">10</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">11</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">12</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">13</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">14</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">15</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">16</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">17</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">18</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">19</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">20</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">21</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">22</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">23</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">24</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">25</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">26</span>
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<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">27</span></pre></div></td><td class="code"><div><pre style="line-height: 125%;"><span></span>{
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<span style="color: #19177C">inputs</span> <span style="color: #666666">=</span> {
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||||
nixpkgs<span style="color: #666666">.</span><span style="color: #19177C">url</span> <span style="color: #666666">=</span> <span style="color: #BA2121">"github:NixOS/nixpkgs"</span>;
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||||
flake-utils<span style="color: #666666">.</span><span style="color: #19177C">url</span> <span style="color: #666666">=</span> <span style="color: #BA2121">"github:numtide/flake-utils"</span>;
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<span style="background-color: #ffffcc"> <span style="color: #19177C">hello-nix</span> <span style="color: #666666">=</span> {
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</span><span style="background-color: #ffffcc"> <span style="color: #19177C">url</span> <span style="color: #666666">=</span> <span style="color: #BA2121">"git+https://codeberg.org/mhwombat/hello-nix"</span>;
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</span><span style="background-color: #ffffcc"> <span style="color: #19177C">flake</span> <span style="color: #666666">=</span> <span style="color: #880000">false</span>;
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</span> };
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};
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<span style="color: #19177C">outputs</span> <span style="color: #666666">=</span> { self, nixpkgs, flake-utils, hello-nix }:
|
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flake-utils<span style="color: #666666">.</span>lib<span style="color: #666666">.</span>eachDefaultSystem (system:
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<span style="color: #008000; font-weight: bold">let</span>
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||||
<span style="color: #19177C">pkgs</span> <span style="color: #666666">=</span> <span style="color: #008000">import</span> nixpkgs { <span style="color: #008000; font-weight: bold">inherit</span> system; };
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<span style="color: #008000; font-weight: bold">in</span>
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||||
{
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||||
<span style="background-color: #ffffcc"> <span style="color: #19177C">devShells</span> <span style="color: #666666">=</span> <span style="color: #008000; font-weight: bold">rec</span> {
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||||
</span><span style="background-color: #ffffcc"> <span style="color: #19177C">default</span> <span style="color: #666666">=</span> pkgs<span style="color: #666666">.</span>mkShell {
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||||
</span><span style="background-color: #ffffcc"> <span style="color: #19177C">shellHook</span> <span style="color: #666666">=</span>
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||||
</span><span style="background-color: #ffffcc"> <span style="color: #BA2121">''</span>
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||||
</span><span style="color: #BA2121"> PATH=</span><span style="color: #A45A77; font-weight: bold">${</span>hello-nix<span style="color: #A45A77; font-weight: bold">}</span><span style="color: #BA2121">:$PATH</span>
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||||
<span style="color: #BA2121"> ''</span>;
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||||
};
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||||
};
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||||
}
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||||
);
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||||
}
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||||
</pre></div></td></tr></table></div></code></pre>
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||||
</div>
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</div>
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<div class="paragraph">
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<p>Here’s a demonstration using the shell.</p>
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</div>
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<div class="literalblock">
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||||
<div class="content">
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<pre class="nowrap">$ hello-nix # this will fail
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||||
bash: line 20: hello-nix: command not found
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||||
$ nix develop
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||||
$ hello-nix
|
||||
Hello from your nix package!</pre>
|
||||
</div>
|
||||
<p>/// SKIP include::non-flake/main-generated.adoc[leveloffset=+1]</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
|
|
@ -4630,97 +4610,22 @@ $ hello-flake
|
|||
Hello from your flake!</pre>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_access_to_a_package_defined_in_a_remote_git_repo">10.6. Access to a package defined in a remote git repo</h3>
|
||||
<div class="paragraph">
|
||||
<p>Ex: Access a package (not a flake) called <code>hello-nix</code>,
|
||||
which is defined in a remote git repo on codeberg.
|
||||
To use a package from GitHub, GitLab, or any other public platform,
|
||||
modify the URL.</p>
|
||||
<p>Unresolved directive in recipes/main.adoc - include::remote-git/main.adoc[leveloffset=+1]</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>REMOVE ME</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>REMOVE ME</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>REMOVE ME</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>REMOVE ME</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Unresolved directive in recipes/remote-git/main.adoc - include::flake/main-generated.adoc[leveloffset=+1]</p>
|
||||
<p>Unresolved directive in recipes/main.adoc - include::haskell-nixpkg/main.adoc[leveloffset=+1]</p>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_access_to_a_haskell_library_package_in_the_nixpkgs_repo_without_a_cabal_file">10.7. Access to a Haskell library package in the nixpkgs repo (without a <code>.cabal</code> file)</h3>
|
||||
<div class="paragraph">
|
||||
<p>Occasionally you might want to run a short Haskell program that depends on a Haskell library,
|
||||
but you don’t want to bother writing a cabal file.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Example: Access the <code>containers</code> package from the <code>haskellPackages</code> set in the nixpkgs repo.</p>
|
||||
</div>
|
||||
<div class="paragraph">
|
||||
<p>Unresolved directive in recipes/haskell-nixpkg/main.adoc - include::shell/main-generated.adoc[leveloffset=+1]</p>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_in_a_haskell_script">10.7.1. In a Haskell script</h4>
|
||||
<div class="listingblock">
|
||||
<div class="title">Script</div>
|
||||
<div class="content">
|
||||
<pre class="pygments highlight nowrap" style="background: #f8f8f8;"><code data-lang="haskell"><div class="lineno"><table class="linenotable"><tr><td class="linenos"><div class="linenodiv"><pre><span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 1</span>
|
||||
<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 2</span>
|
||||
<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 3</span>
|
||||
<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 4</span>
|
||||
<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 5</span>
|
||||
<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 6</span>
|
||||
<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 7</span>
|
||||
<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 8</span>
|
||||
<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;"> 9</span>
|
||||
<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">10</span>
|
||||
<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">11</span>
|
||||
<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">12</span>
|
||||
<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">13</span>
|
||||
<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">14</span>
|
||||
<span style="color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px;">15</span></pre></div></td><td class="code"><div><pre style="line-height: 125%;"><span></span><span style="color: #666666">#!</span><span style="color: #bbbbbb"> </span><span style="color: #666666">/</span>usr<span style="color: #666666">/</span>bin<span style="color: #666666">/</span>env<span style="color: #bbbbbb"> </span>nix<span style="color: #666666">-</span>shell
|
||||
<span style="color: #666666">#!</span><span style="color: #bbbbbb"> </span>nix<span style="color: #666666">-</span>shell<span style="color: #bbbbbb"> </span><span style="color: #666666">-</span>p<span style="color: #bbbbbb"> </span><span style="color: #BA2121">"haskellPackages.ghcWithPackages (p: [p.containers])"</span>
|
||||
<span style="color: #666666">#!</span><span style="color: #bbbbbb"> </span>nix<span style="color: #666666">-</span>shell<span style="color: #bbbbbb"> </span><span style="color: #666666">-</span>i<span style="color: #bbbbbb"> </span>runghc
|
||||
|
||||
<span style="color: #008000; font-weight: bold">import</span><span style="color: #bbbbbb"> </span><span style="color: #0000FF; font-weight: bold">Data.Map</span>
|
||||
|
||||
<span style="color: #0000FF">m</span><span style="color: #bbbbbb"> </span><span style="color: #AA22FF; font-weight: bold">::</span><span style="color: #bbbbbb"> </span><span style="color: #B00040">Map</span><span style="color: #bbbbbb"> </span><span style="color: #B00040">String</span><span style="color: #bbbbbb"> </span><span style="color: #B00040">Int</span>
|
||||
<span style="color: #0000FF">m</span><span style="color: #bbbbbb"> </span><span style="color: #AA22FF; font-weight: bold">=</span><span style="color: #bbbbbb"> </span>fromList<span style="color: #bbbbbb"> </span>[(<span style="color: #BA2121">"cats"</span>,<span style="color: #bbbbbb"> </span><span style="color: #666666">3</span>),<span style="color: #bbbbbb"> </span>(<span style="color: #BA2121">"dogs"</span>,<span style="color: #bbbbbb"> </span><span style="color: #666666">2</span>)]
|
||||
|
||||
<span style="color: #0000FF">main</span><span style="color: #bbbbbb"> </span><span style="color: #AA22FF; font-weight: bold">::</span><span style="color: #bbbbbb"> </span><span style="color: #B00040">IO</span><span style="color: #bbbbbb"> </span><span style="color: #008000">()</span>
|
||||
<span style="color: #0000FF">main</span><span style="color: #bbbbbb"> </span><span style="color: #AA22FF; font-weight: bold">=</span><span style="color: #bbbbbb"> </span><span style="color: #008000; font-weight: bold">do</span>
|
||||
<span style="color: #bbbbbb"> </span><span style="color: #008000; font-weight: bold">let</span><span style="color: #bbbbbb"> </span>cats<span style="color: #bbbbbb"> </span><span style="color: #AA22FF; font-weight: bold">=</span><span style="color: #bbbbbb"> </span>findWithDefault<span style="color: #bbbbbb"> </span><span style="color: #666666">0</span><span style="color: #bbbbbb"> </span><span style="color: #BA2121">"cats"</span><span style="color: #bbbbbb"> </span>m
|
||||
<span style="color: #bbbbbb"> </span><span style="color: #008000; font-weight: bold">let</span><span style="color: #bbbbbb"> </span>dogs<span style="color: #bbbbbb"> </span><span style="color: #AA22FF; font-weight: bold">=</span><span style="color: #bbbbbb"> </span>findWithDefault<span style="color: #bbbbbb"> </span><span style="color: #666666">0</span><span style="color: #bbbbbb"> </span><span style="color: #BA2121">"dogs"</span><span style="color: #bbbbbb"> </span>m
|
||||
<span style="color: #bbbbbb"> </span><span style="color: #008000; font-weight: bold">let</span><span style="color: #bbbbbb"> </span>zebras<span style="color: #bbbbbb"> </span><span style="color: #AA22FF; font-weight: bold">=</span><span style="color: #bbbbbb"> </span>findWithDefault<span style="color: #bbbbbb"> </span><span style="color: #666666">0</span><span style="color: #bbbbbb"> </span><span style="color: #BA2121">"zebras"</span><span style="color: #bbbbbb"> </span>m
|
||||
<span style="color: #bbbbbb"> </span>print<span style="color: #bbbbbb"> </span><span style="color: #666666">$</span><span style="color: #bbbbbb"> </span><span style="color: #BA2121">"I have "</span><span style="color: #bbbbbb"> </span><span style="color: #666666">++</span><span style="color: #bbbbbb"> </span>show<span style="color: #bbbbbb"> </span>cats<span style="color: #bbbbbb"> </span><span style="color: #666666">++</span><span style="color: #bbbbbb"> </span><span style="color: #BA2121">" cats, "</span><span style="color: #bbbbbb"> </span><span style="color: #666666">++</span><span style="color: #bbbbbb"> </span>show<span style="color: #bbbbbb"> </span>dogs<span style="color: #bbbbbb"> </span><span style="color: #666666">++</span><span style="color: #bbbbbb"> </span><span style="color: #BA2121">" dogs, and "</span><span style="color: #bbbbbb"> </span><span style="color: #666666">++</span><span style="color: #bbbbbb"> </span>show<span style="color: #bbbbbb"> </span>zebras<span style="color: #bbbbbb"> </span><span style="color: #666666">++</span><span style="color: #bbbbbb"> </span><span style="color: #BA2121">" zebras."</span>
|
||||
</pre></div></td></tr></table></div></code></pre>
|
||||
</div>
|
||||
</div>
|
||||
<div class="literalblock">
|
||||
<div class="title">Output</div>
|
||||
<div class="content">
|
||||
<pre class="nowrap">"I have 3 cats, 2 dogs, and 0 zebras."</pre>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_access_to_a_haskell_package_on_your_local_computer">10.8. Access to a Haskell package on your local computer</h3>
|
||||
<h3 id="_access_to_a_haskell_package_on_your_local_computer">10.6. Access to a Haskell package on your local computer</h3>
|
||||
<div class="paragraph">
|
||||
<p>Ex: Access three Haskell packages
|
||||
(<code>pandoc-linear-table</code>, <code>pandoc-logic-proof</code>, and <code>pandoc-columns</code>)
|
||||
that are on my hard drive.</p>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_in_shell_nix">10.8.1. In <code>shell.nix</code></h4>
|
||||
<h4 id="_in_shell_nix">10.6.1. In <code>shell.nix</code></h4>
|
||||
<div class="listingblock">
|
||||
<div class="title">shell.nix</div>
|
||||
<div class="content">
|
||||
|
|
@ -4757,7 +4662,7 @@ mkShell {
|
|||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_access_to_a_haskell_package_on_your_local_computer_with_inter_dependencies">10.9. Access to a Haskell package on your local computer, with inter-dependencies</h3>
|
||||
<h3 id="_access_to_a_haskell_package_on_your_local_computer_with_inter_dependencies">10.7. Access to a Haskell package on your local computer, with inter-dependencies</h3>
|
||||
<div class="paragraph">
|
||||
<p>Ex: Access four Haskell packages
|
||||
(<code>pandoc-linear-table</code>, <code>pandoc-logic-proof</code>, <code>pandoc-columns</code> and <code>pandoc-maths-web</code>)
|
||||
|
|
@ -4765,7 +4670,7 @@ that are on my hard drive.
|
|||
The fourth package depends on the first three to build.</p>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_in_shell_nix_2">10.9.1. In <code>shell.nix</code></h4>
|
||||
<h4 id="_in_shell_nix_2">10.7.1. In <code>shell.nix</code></h4>
|
||||
<div class="listingblock">
|
||||
<div class="title">shell.nix</div>
|
||||
<div class="content">
|
||||
|
|
@ -4812,7 +4717,7 @@ mkShell {
|
|||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_access_to_a_python_library_package_in_the_nixpkgs_repo_without_using_a_python_builder">10.10. Access to a Python library package in the nixpkgs repo (without using a Python builder)</h3>
|
||||
<h3 id="_access_to_a_python_library_package_in_the_nixpkgs_repo_without_using_a_python_builder">10.8. Access to a Python library package in the nixpkgs repo (without using a Python builder)</h3>
|
||||
<div class="paragraph">
|
||||
<p>Occasionally you might want to run a short Python program that depends on a Python library,
|
||||
but you don’t want to bother configuring a builder.</p>
|
||||
|
|
@ -4821,7 +4726,7 @@ but you don’t want to bother configuring a builder.</p>
|
|||
<p>Example: Access the <code>html_sanitizer</code> package from the <code>python3nnPackages</code> set in the nixpkgs repo.</p>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_in_a_python_script">10.10.1. In a Python script</h4>
|
||||
<h4 id="_in_a_python_script">10.8.1. In a Python script</h4>
|
||||
<div class="listingblock">
|
||||
<div class="title">Script</div>
|
||||
<div class="content">
|
||||
|
|
@ -4859,12 +4764,12 @@ sanitized: <strong>some text</strong></pre>
|
|||
</div>
|
||||
</div>
|
||||
<div class="sect2">
|
||||
<h3 id="_set_an_environment_variable">10.11. Set an environment variable</h3>
|
||||
<h3 id="_set_an_environment_variable">10.9. Set an environment variable</h3>
|
||||
<div class="paragraph">
|
||||
<p>Ex: Set the value of the environment variable FOO to “bar”</p>
|
||||
</div>
|
||||
<div class="sect3">
|
||||
<h4 id="_in_shell_nix_3">10.11.1. In <code>shell.nix</code></h4>
|
||||
<h4 id="_in_shell_nix_3">10.9.1. In <code>shell.nix</code></h4>
|
||||
<div class="listingblock">
|
||||
<div class="title">shell.nix</div>
|
||||
<div class="content">
|
||||
|
|
@ -4898,7 +4803,7 @@ mkShell {
|
|||
</div>
|
||||
<div id="footer">
|
||||
<div id="footer-text">
|
||||
Last updated 2025-09-05 19:36:04 IST
|
||||
Last updated 2025-09-05 19:56:06 IST
|
||||
</div>
|
||||
</div>
|
||||
</body>
|
||||
|
|
|
|||
|
|
@ -6,5 +6,5 @@ include::flake/main-generated.adoc[leveloffset=+1]
|
|||
|
||||
include::haskell-pkg/main-generated.adoc[leveloffset=+1]
|
||||
|
||||
include::non-flake/main-generated.adoc[leveloffset=+1]
|
||||
/// SKIP include::non-flake/main-generated.adoc[leveloffset=+1]
|
||||
|
||||
|
|
|
|||
|
|
@ -1,77 +0,0 @@
|
|||
{
|
||||
"nodes": {
|
||||
"flake-utils": {
|
||||
"inputs": {
|
||||
"systems": "systems"
|
||||
},
|
||||
"locked": {
|
||||
"lastModified": 1731533236,
|
||||
"narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
|
||||
"owner": "numtide",
|
||||
"repo": "flake-utils",
|
||||
"rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
"owner": "numtide",
|
||||
"repo": "flake-utils",
|
||||
"type": "github"
|
||||
}
|
||||
},
|
||||
"hello-nix": {
|
||||
"flake": false,
|
||||
"locked": {
|
||||
"lastModified": 1676213208,
|
||||
"narHash": "sha256-Zds5C+f5sA3w+j85EsAQjte0zeHqubMVPGYn5lGwATo=",
|
||||
"ref": "refs/heads/main",
|
||||
"rev": "aa2c87f8b89578b069b09fdb2be30a0c9d8a77d8",
|
||||
"revCount": 4,
|
||||
"type": "git",
|
||||
"url": "https://codeberg.org/mhwombat/hello-nix"
|
||||
},
|
||||
"original": {
|
||||
"type": "git",
|
||||
"url": "https://codeberg.org/mhwombat/hello-nix"
|
||||
}
|
||||
},
|
||||
"nixpkgs": {
|
||||
"locked": {
|
||||
"lastModified": 1757096966,
|
||||
"narHash": "sha256-nJpPWCFbc5/u0VIoSHT350FEwPS5pwiRfyZBbZA3Kgg=",
|
||||
"owner": "NixOS",
|
||||
"repo": "nixpkgs",
|
||||
"rev": "6eb784fb955ab56952e6eeb01f3e64a79933e2b5",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
"owner": "NixOS",
|
||||
"repo": "nixpkgs",
|
||||
"type": "github"
|
||||
}
|
||||
},
|
||||
"root": {
|
||||
"inputs": {
|
||||
"flake-utils": "flake-utils",
|
||||
"hello-nix": "hello-nix",
|
||||
"nixpkgs": "nixpkgs"
|
||||
}
|
||||
},
|
||||
"systems": {
|
||||
"locked": {
|
||||
"lastModified": 1681028828,
|
||||
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
|
||||
"owner": "nix-systems",
|
||||
"repo": "default",
|
||||
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
|
||||
"type": "github"
|
||||
},
|
||||
"original": {
|
||||
"owner": "nix-systems",
|
||||
"repo": "default",
|
||||
"type": "github"
|
||||
}
|
||||
}
|
||||
},
|
||||
"root": "root",
|
||||
"version": 7
|
||||
}
|
||||
|
|
@ -1,27 +0,0 @@
|
|||
{
|
||||
inputs = {
|
||||
nixpkgs.url = "github:NixOS/nixpkgs";
|
||||
flake-utils.url = "github:numtide/flake-utils";
|
||||
hello-nix = {
|
||||
url = "git+https://codeberg.org/mhwombat/hello-nix";
|
||||
flake = false;
|
||||
};
|
||||
};
|
||||
|
||||
outputs = { self, nixpkgs, flake-utils, hello-nix }:
|
||||
flake-utils.lib.eachDefaultSystem (system:
|
||||
let
|
||||
pkgs = import nixpkgs { inherit system; };
|
||||
in
|
||||
{
|
||||
devShells = rec {
|
||||
default = pkgs.mkShell {
|
||||
shellHook =
|
||||
''
|
||||
PATH=${hello-nix}:$PATH
|
||||
'';
|
||||
};
|
||||
};
|
||||
}
|
||||
);
|
||||
}
|
||||
|
|
@ -1,13 +0,0 @@
|
|||
= In a Haskell script
|
||||
|
||||
[source,haskell,linenums]
|
||||
.Script
|
||||
....
|
||||
include::my-script.sh[]
|
||||
....
|
||||
|
||||
.Output
|
||||
....
|
||||
$# ./my-script.sh
|
||||
....
|
||||
|
||||
|
|
@ -1,16 +0,0 @@
|
|||
= Access to a package defined in a remote git repo
|
||||
|
||||
Ex: Access a package (not a flake) called `hello-nix`,
|
||||
which is defined in a remote git repo on codeberg.
|
||||
To use a package from GitHub, GitLab, or any other public platform,
|
||||
modify the URL.
|
||||
|
||||
REMOVE ME
|
||||
|
||||
REMOVE ME
|
||||
|
||||
REMOVE ME
|
||||
|
||||
REMOVE ME
|
||||
|
||||
include::flake/main-generated.adoc[leveloffset=+1]
|
||||
|
|
@ -9,3 +9,16 @@ include::shell/main-generated.adoc[leveloffset=+1]
|
|||
|
||||
include::shebang/main-generated.adoc[leveloffset=+1]
|
||||
|
||||
= In a Haskell script
|
||||
|
||||
[source,haskell,linenums]
|
||||
.Script
|
||||
....
|
||||
include::my-script.sh[]
|
||||
....
|
||||
|
||||
.Output
|
||||
....
|
||||
$# ./my-script.sh
|
||||
....
|
||||
|
||||
|
|
@ -37,3 +37,5 @@ $# cat run-flake.sh
|
|||
....
|
||||
$# ./run-flake.sh
|
||||
....
|
||||
|
||||
include::haskell-nixpkg/main-generated.adoc[leveloffset=+1]
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue