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<ol class="chapter"><li class="chapter-item expanded "><a href="chapter_1.html"><strong aria-hidden="true">1.</strong> Introduction</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="chapter_2.html"><strong aria-hidden="true">1.1.</strong> Installation</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="chapter_3.html"><strong aria-hidden="true">1.1.1.</strong> Prerequisites</a></li><li class="chapter-item expanded "><a href="chapter_4.html"><strong aria-hidden="true">1.1.2.</strong> Packages</a></li><li class="chapter-item expanded "><a href="chapter_5.html"><strong aria-hidden="true">1.1.3.</strong> Pre-Built Binaries</a></li><li class="chapter-item expanded "><a href="chapter_6.html"><strong aria-hidden="true">1.1.4.</strong> GitHub Actions</a></li><li class="chapter-item expanded "><a href="chapter_7.html"><strong aria-hidden="true">1.1.5.</strong> Release RSS Feed</a></li></ol></li><li class="chapter-item expanded "><a href="chapter_8.html"><strong aria-hidden="true">1.2.</strong> Backwards Compatibility</a></li><li class="chapter-item expanded "><a href="chapter_9.html"><strong aria-hidden="true">1.3.</strong> Editor Support</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="chapter_10.html"><strong aria-hidden="true">1.3.1.</strong> Vim and Neovim</a></li><li class="chapter-item expanded "><a href="chapter_11.html"><strong aria-hidden="true">1.3.2.</strong> Emacs</a></li><li class="chapter-item expanded "><a href="chapter_12.html"><strong aria-hidden="true">1.3.3.</strong> Visual Studio Code</a></li><li class="chapter-item expanded "><a href="chapter_13.html"><strong aria-hidden="true">1.3.4.</strong> Kakoune</a></li><li class="chapter-item expanded "><a href="chapter_14.html"><strong aria-hidden="true">1.3.5.</strong> Sublime Text</a></li><li class="chapter-item expanded "><a href="chapter_15.html"><strong aria-hidden="true">1.3.6.</strong> Other Editors</a></li></ol></li><li class="chapter-item expanded "><a href="chapter_16.html"><strong aria-hidden="true">1.4.</strong> Quick Start</a></li><li class="chapter-item expanded "><a href="chapter_17.html"><strong aria-hidden="true">1.5.</strong> Examples</a></li><li class="chapter-item expanded "><a href="chapter_18.html"><strong aria-hidden="true">1.6.</strong> Features</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="chapter_19.html"><strong aria-hidden="true">1.6.1.</strong> The Default Recipe</a></li><li class="chapter-item expanded "><a href="chapter_20.html"><strong aria-hidden="true">1.6.2.</strong> Listing Available Recipes</a></li><li class="chapter-item expanded "><a href="chapter_21.html"><strong aria-hidden="true">1.6.3.</strong> Aliases</a></li><li class="chapter-item expanded "><a href="chapter_22.html"><strong aria-hidden="true">1.6.4.</strong> Settings</a></li><li class="chapter-item expanded "><a href="chapter_23.html"><strong aria-hidden="true">1.6.5.</strong> Documentation Comments</a></li><li class="chapter-item expanded "><a href="chapter_24.html"><strong aria-hidden="true">1.6.6.</strong> Dotenv Integration</a></li><li class="chapter-item expanded "><a href="chapter_25.html"><strong aria-hidden="true">1.6.7.</strong> Variables and Substitution</a></li><li class="chapter-item expanded "><a href="chapter_26.html"><strong aria-hidden="true">1.6.8.</strong> Strings</a></li><li class="chapter-item expanded "><a href="chapter_27.html"><strong aria-hidden="true">1.6.9.</strong> Ignoring Errors</a></li><li class="chapter-item expanded "><a href="chapter_28.html"><strong aria-hidden="true">1.6.10.</strong> Functions</a></li><li class="chapter-item expanded "><a href="chapter_29.html"><strong aria-hidden="true">1.6.11.</strong> Command Evaluation Using Backticks</a></li><li class="chapter-item expanded "><a href="chapter_30.html"><strong aria-hidden="true">1.6.12.</strong> Conditional Expressions</a></li><li class="chapter-item expanded "><a href="chapter_31.html"><strong aria-hidden="true">1.6.13.</strong> Stopping execution with error</a></li><li class="chapter-item expanded "><a href="chapter_32.html"><strong aria-hidden="true">1.6.14.</strong> Setting Variables from the Command Line</a></li><li class="chapter-item expanded "><a href="chapter_33.html"><strong aria-hidden="true">1.6.15.</strong> Getting and Setting Environment Variables</a></li><li class="chapter-item expanded "><a href="chapter_34.html"><strong aria-hidden="true">1.6.16.</strong> Recipe Parameters</a></li><li class="chapter-item expanded "><a href="chapter_35.html"><strong aria-hidden="true">1.6.17.</strong> Running Recipes at the End of a Recipe</a></li><li class="chapter-item expanded "><a href="chapter_36.html"><strong aria-hidden="true">1.6.18.</strong> Running Recipes in the Middle of a Recipe</a></li><li class="chapter-item expanded "><a href="chapter_37.html"><strong aria-hidden="true">1.6.19.</strong> Writing Recipes in Other Languages</a></li><li class="chapter-item expanded "><a href="chapter_38.html"><strong aria-hidden="true">1.6.20.</strong> Safer Bash Shebang Recipes</a></li><li class="chapter-item expanded "><a href="chapter_39.html"><strong aria-hidden="true">1.6.21.</strong> Setting Variables in a Recipe</a></li><li class="chapter-item expanded "><a href="chapter_40.html"><strong aria-hidden="true">1.6.22.</strong> Changing the Working Directory in a Recipe</a></li><li class="chapter-item expanded "><a href="chapter_41.html"><strong aria-hidden="true">1.6.23.</strong> Indentation</a></li><li class="chapter-item expanded "><a href="chapter_42.html"><strong aria-hidden="true">1.6.24.</strong> Multi-Line Constructs</a></li><li class="chapter-item expanded "><a href="chapter_43.html"><strong aria-hidden="true">1.6.25.</strong> Command Line Options</a></li><li class="chapter-item expanded "><a href="chapter_44.html"><strong aria-hidden="true">1.6.26.</strong> Private Recipes</a></li><li class="chapter-item expanded "><a href="chapter_45.html"><strong aria-hidden="true">1.6.27.</strong> Quiet Recipes</a></li><li class="chapter-item expanded "><a href="chapter_46.html"><strong aria-hidden="true">1.6.28.</strong> Selecting Recipes to Run With an Interactive Chooser</a></li><li class="chapter-item expanded "><a href="chapter_47.html"><strong aria-hidden="true">1.6.29.</strong> Invoking justfiles in Other Directories</a></li><li class="chapter-item expanded "><a href="chapter_48.html"><strong aria-hidden="true">1.6.30.</strong> Hiding justfiles</a></li><li class="chapter-item expanded "><a href="chapter_49.html"><strong aria-hidden="true">1.6.31.</strong> Just Scripts</a></li><li class="chapter-item expanded "><a href="chapter_50.html"><strong aria-hidden="true">1.6.32.</strong> Dumping justfiles as JSON</a></li><li class="chapter-item expanded "><a href="chapter_51.html"><strong aria-hidden="true">1.6.33.</strong> Falling back to parent justfiles</a></li></ol></li><li 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justfiles</a></li><li class="chapter-item expanded "><a href="chapter_60.html"><strong aria-hidden="true">1.8.7.</strong> Node.js package.json Script Compatibility</a></li><li class="chapter-item expanded "><a href="chapter_61.html"><strong aria-hidden="true">1.8.8.</strong> Alternatives and Prior Art</a></li></ol></li><li class="chapter-item expanded "><a href="chapter_62.html"><strong aria-hidden="true">1.9.</strong> Contributing</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="chapter_63.html"><strong aria-hidden="true">1.9.1.</strong> Janus</a></li><li class="chapter-item expanded "><a href="chapter_64.html"><strong aria-hidden="true">1.9.2.</strong> Minimum Supported Rust Version</a></li></ol></li><li class="chapter-item expanded "><a href="chapter_65.html"><strong aria-hidden="true">1.10.</strong> Frequently Asked Questions</a></li><li><ol class="section"><li class="chapter-item expanded "><a href="chapter_66.html"><strong aria-hidden="true">1.10.1.</strong> What are the idiosyncrasies of Make that Just avoids?</a></li><li class="chapter-item expanded "><a href="chapter_67.html" class="active"><strong aria-hidden="true">1.10.2.</strong> What’s the relationship between Just and Cargo build scripts?</a></li></ol></li><li class="chapter-item expanded "><a href="chapter_68.html"><strong aria-hidden="true">1.11.</strong> Further Ramblings</a></li></ol></li></ol>
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<h3 id="whats-the-relationship-between-just-and-cargo-build-scripts"><a class="header" href="#whats-the-relationship-between-just-and-cargo-build-scripts">What’s the relationship between Just and Cargo build scripts?</a></h3>
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<p><a href="http://doc.crates.io/build-script.html"><code>cargo</code> build scripts</a> have a pretty specific use, which is to control how <code>cargo</code> builds your Rust project. This might include adding flags to <code>rustc</code> invocations, building an external dependency, or running some kind of codegen step.</p>
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<p><code>just</code>, on the other hand, is for all the other miscellaneous commands you might run as part of development. Things like running tests in different configurations, linting your code, pushing build artifacts to a server, removing temporary files, and the like.</p>
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<p>Also, although <code>just</code> is written in Rust, it can be used regardless of the language or build system your project uses.</p>
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