Rust Dev Env Install - 2026 - Arch Linux

rust-dev-env-install-arch.bash

#!/usr/bin/env bash
set -euo pipefail

# ============================================================
# Rust development environment bootstrap (Arch Linux + zsh)
# ============================================================

# ------------------------------------------------------------
# Helpers
# ------------------------------------------------------------
zshrc_append() {
    # Append a line to ~/.zshrc only if it isn't already there.
    local line="$1"
    grep -qxF "$line" ~/.zshrc 2>/dev/null || echo "$line" >> ~/.zshrc
}

# ------------------------------------------------------------
# System packages (pacman)
# ------------------------------------------------------------
pacman_packages=(
    # Base development toolchain
    base-devel        # GCC, make, binutils, etc.
    pkgconf           # pkg-config implementation

    # GPU / compute
    cuda              # NVIDIA CUDA toolkit
    cudnn             # NVIDIA deep neural network library

    # Media / encoding
    ffmpeg            # Audio/video processing

    # Networking / VCS
    git               # Version control
    libssh            # SSH library (used by some crates)

    # Rust
    rust
    rust-src
    rust-analyzer

    # Build acceleration
    sccache           # Compiler cache
    mold              # Ultra-fast linker
    clang             # Linker driver (used with mold)
)

sudo pacman -Syu --needed --noconfirm "${pacman_packages[@]}"

# ------------------------------------------------------------
# Environment configuration (~/.zshrc)
# ------------------------------------------------------------
zshrc_append 'export RUSTC_WRAPPER=sccache'
zshrc_append 'export CARGO_BUILD_JOBS=$(nproc)'
zshrc_append 'export RUSTFLAGS="-C link-arg=-fuse-ld=mold"'

# ------------------------------------------------------------
# Cargo ecosystem tools
# ------------------------------------------------------------
cargo_packages=(
    # Cache / cleanup
    cargo-cache       # Inspect & clean Cargo cache

    # Dependency management
    cargo-edit        # cargo add/rm/upgrade
    cargo-outdated    # Check for newer dependency versions
    cargo-deny        # Security, license, duplicate checks
    cargo-license     # License inspection
    cargo-udeps       # Detect unused dependencies

    # Debugging / introspection
    cargo-expand      # Expand macros
    cargo-bloat       # Analyze binary size
    uuinfo            # Debug UUIDs, simpleflakes, snowflakes and others
    
    # Docs / QA
    cargo-deadlinks   # Detect broken doc links

    # Testing / benchmarking
    cargo-fuzz        # Fuzz testing (libFuzzer)
    cargo-criterion   # Statistical benchmarking
    cargo-llvm-cov    # Code coverage via LLVM

    # Dev workflow
    cargo-watch       # Re-run on file changes
)

cargo install -f --locked "${cargo_packages[@]}"

echo
echo "Done. Restart your shell or run: source ~/.zshrc"

~refs.md

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