¿Está just en los repositorios oficiales de Ubuntu?

Sí — el archivo oficial de Ubuntu trae just 1.45.0. Este espejo gratuito ofrece la versión más reciente de just con al menos 2 meses de antigüedad, gratis para siempre; el repositorio principal en deb.griffo.io ofrece cada versión pocas horas después del upstream.

¿Cómo instalo el último just en Ubuntu?

Añade el repositorio deb-free.griffo.io una sola vez con las instrucciones de arriba y ejecuta: sudo apt install just. Las nuevas versiones llegan con el sudo apt upgrade habitual.

¿Los paquetes están firmados y cómo se compilan?

Cada paquete está firmado con la clave GPG del repositorio (EA0F721D231FDD3A0A17B9AC7808B4DD62C41256) y se compila a partir de versiones upstream en repositorios públicos de GitHub que cualquiera puede inspeccionar.

¿Qué versiones de Ubuntu son compatibles?

Ubuntu 22.04 Jammy, 24.04 Noble, 25.10 Questing y 26.04 Resolute.

Instalar just en Ubuntu vía apt — gratis para siempre

Fuente	Versión
deb.griffo.io (main)	1.56.0 ✅
Ubuntu oficial	1.45.0 🛑

← Volver al inicio

¿Qué es just?

just is a handy command runner written in Rust by Casey Rodarmor. It saves and runs project-specific commands, called recipes, stored in a file named justfile with a syntax inspired by make. Unlike make, just is not a build system: recipes are simply commands to run, so there are no phony targets and no dependency on file modification times. With over 25k GitHub stars, it has become the go-to task runner for modern projects.

😤 Traditional make Pain Points: Tired of .PHONY declarations everywhere? Fed up with tab-versus-space errors and implicit build rules that fire when you least expect them? just keeps the familiar recipe feel of a Makefile but drops the build-system baggage — every recipe is just a command.

            🚀 Por qué importan las últimas versiones: just is actively developed with frequent releases containing new attributes, expression functions, shell integrations, and quality-of-life improvements. The latest versions include enhanced completion scripts, new built-in functions, better error messages, and expanded cross-platform support.
        

⚡ Key Features of just

📝 Make-Inspired Syntax

Write recipes in a familiar, readable justfile. If you know Makefiles, you already know most of just — minus the quirks.

🧩 Recipe Parameters

Recipes accept arguments and have default values, so a single recipe can adapt to many invocations without extra scripting.

🐚 Any Shell or Language

Write recipes in sh, bash, Python, Node, or anything else with a shebang line. just runs each recipe with the interpreter you choose.

📋 List & Discover

Run just --list to see every recipe with its documentation comment. Newcomers can explore a project's tasks instantly.

🔐 .env & Variables

Load environment files, define variables, and interpolate them into recipes. Keep configuration tidy and out of your commands.

🌍 Cross-Platform

A single static binary that works the same on Linux, macOS, and Windows — no runtime, no interpreter, no quirks.

🏆 Productivity Benefits

Save Time: Run any project task with just <recipe> instead of remembering long commands
Self-Documenting: just --list shows every task and its description
Consistent: The whole team runs the same commands the same way
No Build Quirks: Recipes are commands, not targets — no stale-timestamp surprises
Portable: One justfile works across Linux, macOS, and Windows

🆓 Gratis para siempre: Debian y Ubuntu congelan las versiones de los paquetes al publicar cada versión — este espejo gratuito ofrece la versión más reciente con al menos 2 meses de antigüedad, sin cuenta ni autenticación, y publica las correcciones de seguridad de inmediato. ¿Necesitas cada versión pocas horas después del upstream? Usa el repositorio principal en deb.griffo.io.

📦 Instalación desde deb-free.griffo.io

Paso 1: Agregar repositorio

sudo install -d -m 0755 /etc/apt/keyrings
curl -fsSL https://deb-free.griffo.io/EA0F721D231FDD3A0A17B9AC7808B4DD62C41256.asc | sudo gpg --dearmor --yes -o /etc/apt/keyrings/deb-free.griffo.io.gpg
echo "deb [signed-by=/etc/apt/keyrings/deb-free.griffo.io.gpg] https://deb-free.griffo.io/apt $(lsb_release -sc 2>/dev/null) main" | sudo tee /etc/apt/sources.list.d/deb-free.griffo.io.list > /dev/null
sudo apt update
                

install -d -m 0755 /etc/apt/keyrings
curl -fsSL https://deb-free.griffo.io/EA0F721D231FDD3A0A17B9AC7808B4DD62C41256.asc | gpg --dearmor --yes -o /etc/apt/keyrings/deb-free.griffo.io.gpg
echo "deb [signed-by=/etc/apt/keyrings/deb-free.griffo.io.gpg] https://deb-free.griffo.io/apt $(lsb_release -sc 2>/dev/null) main" | tee /etc/apt/sources.list.d/deb-free.griffo.io.list > /dev/null
apt update
                

Paso 2: Instalar just

# Install latest just
sudo apt install just

# Verificar instalación
just --version
                

# Install latest just
apt install just

# Verificar instalación
just --version
                

Step 3: Create Your First justfile

# Create a justfile in your project
cat > justfile <<'EOF'
# Build the project
build:
    cargo build --release

# Run the tests
test:
    cargo test

# Say hello to someone
hello name='world':
    echo "Hello, {{name}}!"
EOF

# List available recipes
just --list

# Run a recipe
just build
just hello just
            

🎯 Ejemplos de uso básico

Running recipes:

# Run the first recipe in the justfile (the default)
just

# Run a specific recipe
just test

# Pass an argument to a recipe
just hello Dario

# List every recipe with its documentation
just --list
        

Working with justfiles:

# Show the resolved value of a variable
just --evaluate

# Print a recipe without running it
just --show build

# Use a justfile in another directory
just --justfile ~/project/justfile --working-directory ~/project build

# Choose a recipe interactively (needs a chooser like fzf)
just --choose
        

Shell completions:

# Completions for bash, fish and zsh are installed with the package.
# Generate them manually for any shell if you need to:
just --completions bash
just --completions zsh
just --completions fish
        

🚀 ¿Por qué elegir deb-free.griffo.io?

📊 Repository Comparison:

Official Ubuntu: Available but often outdated versions
Cargo Install: Requires Rust toolchain and compilation
Install Script: Manual updates and no package management
deb.griffo.io (principal): Cada versión pocas horas después del upstream

✅ Actualizaciones regulares: Recibe las funciones y mejoras con como máximo 2 meses de retraso, gratis para siempre
✅ No Rust Compilation: Pre-built binaries, no toolchain needed
✅ Actualizaciones automáticas: Paquetes actualizados vía apt; las correcciones de seguridad se publican de inmediato
✅ Complete Package: Includes shell completions and the man page
✅ Multi-Distribution: Works on Jammy and Noble
✅ Easy Maintenance: Standard apt commands for updates

📦 Repositorio de construcción de paquetes

Los paquetes de Ubuntu se construyen y mantienen automáticamente en este repositorio de GitHub:

🤖 just-debian - Latest release builds

🔗 Paquetes relacionados

También disponible desde deb.griffo.io:

fzf Fuzzy Finder - Powers just --choose for interactive recipe selection
Jujutsu - A modern, Git-compatible version control system
Helix Editor - A post-modern modal editor for editing your justfiles

            🎯 Perfecto para: Developers who juggle many project commands, teams that want a single consistent task runner, anyone who likes Makefiles but not make's quirks, and power users who value a fast, portable, self-documenting workflow.
        

🤖 Instalar just en Ubuntu