just - save and run project-specific commands

just is a handy way to save and run project-specific commands.

Commands, called recipes, are stored in a file called justfile with syntax inspired by make.

This is free and open source software.

Features include:

A command runner, not a build system, so it avoids much of make’s complexity and idiosyncrasies.
Errors are specific and informative, and syntax errors are reported along with their source context.
Recipes can accept command line arguments.
Wherever possible, errors are resolved statically. Unknown recipes and circular dependencies are reported before anything runs.
Just loads .env files, making it easy to populate environment variables.
Recipes can be listed from the command line.
Command line completion scripts are available for most popular shells.
Recipes can be written in arbitrary languages, like Python or NodeJS.
just can be invoked from any subdirectory, not just the directory that contains the justfile.
Cross-platform support – runs under Linux, macOS, and Windows.

Website: just.systems
Support: Manual, GitHub Code Repository
Developer: Casey Rodarmor
License: Creative Commons Zero v1.0 Universal

just is written in Rust. Learn Rust with our recommended free books and free tutorials.

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