Rust CLI Cheat Sheet

rustup --version

# Print the rustup version.

rustc --version

# Print the active Rust compiler version.

cargo --version

# Print the active Cargo version.

rustup update

# Update installed toolchains and rustup itself.

rustup default stable

# Use stable globally unless overridden.

cargo +nightly --version

# Use toolchain shorthand for one command.

cargo new hello-cli

# Generate a new package for an executable.

cargo new mylib --lib

# Generate a reusable library package.

cargo init

# Create a manifest in the current project folder.

cargo init --lib

# Create a library package in the current directory.

cargo locate-project

# Print the path to the Cargo.toml file Cargo will use.

cargo metadata --format-version 1

# Emit machine-readable package metadata.

cargo help

# Display top-level help for Cargo.

cargo help build

# Read options for a specific command.

which cargo

# Show where an executable resolves from.

rustup show

# Display installed toolchains, defaults, and active host.

[package]
name = "hello-cli"
version = "0.1.0"
edition = "2021"

# Define package metadata and edition.

[dependencies]
clap = { version = "4", features = ["derive"] }
anyhow = "1"

# Declare crate dependencies in the manifest.

[[bin]]
name = "admin-tool"
path = "src/bin/admin-tool.rs"

# Expose an extra executable from the same package.

[package]
rust-version = "1.75"

# Require a minimum supported compiler version.