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bootstrap/installers/install_rust.sh

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#!/usr/bin/env bash
# Tool: rust
# DisplayName: Rust
# Description: Install Rustup and Rust compiler/toolchain
# Strategy: managed
#
# Rust Installer Script (Simplified Local Rustup Init)
#
# Prevent standalone execution
if [ -z "${_LIB_COMMON_SOURCED:-}" ]; then
echo "Error: This script must be run through the 'b' CLI." >&2
exit 1
fi
set -euo pipefail
TMP_DIR="$(make_temp_dir)"
cleanup() {
rm -rf "$TMP_DIR"
}
trap cleanup EXIT
# Ensure we have curl
install_downloader() {
if ! has_command curl; then
log_info "curl not found. Installing curl..."
pkg_install curl
fi
}
detect_target_triple() {
local ostype
ostype="$(uname -s)"
if [ "$ostype" != "Linux" ]; then
log_error "This simplified installer only supports Linux."
exit 1
fi
local clibtype="gnu"
if ldd --version 2>&1 | grep -q 'musl'; then
clibtype="musl"
fi
local raw_arch
raw_arch="$(uname -m)"
local cputype
case "$raw_arch" in
x86_64) cputype="x86_64" ;;
aarch64|arm64) cputype="aarch64" ;;
armv7l|armv8l|armv7) cputype="armv7" ;;
i386|i486|i686|x86) cputype="i686" ;;
*) cputype="$raw_arch" ;;
esac
local target="${cputype}-unknown-linux-${clibtype}"
if [ "$cputype" = "armv7" ]; then
target="${cputype}-unknown-linux-gnueabihf"
fi
echo "$target"
}
install_rust() {
if has_command rustup || [ -f "$HOME/.cargo/bin/rustup" ]; then
log_info "Rust (rustup) is already installed."
fi
install_downloader
local target
target=$(detect_target_triple)
log_info "Detected target triple: $target"
local url="https://static.rust-lang.org/rustup/dist/${target}/rustup-init"
local dest="$TMP_DIR/rustup-init"
log_info "Downloading rustup-init..."
download_file "$url" "$dest"
chmod +x "$dest"
log_info "Running rustup-init..."
# Run the downloaded binary
# -y: skip prompts (we already confirmed)
# --no-modify-path: let bootstrap manage the shell paths
"$dest" -y --no-modify-path
add_rollback_cmd "rustup self uninstall -y"
register_tool "rust" "managed" "" "rustup"
}
configure_shell() {
# Add ~/.cargo/bin to PATH for the current process
export PATH="$HOME/.cargo/bin:$PATH"
# Clean up legacy in-place configuration blocks
IFS=' ' read -ra target_files <<< "$(get_shell_configs)"
for config_file in "${target_files[@]}"; do
remove_block "$config_file" "rust init"
done
write_env_snippet "rust" '. "$HOME/.cargo/env"'
}
main() {
install_rust
configure_shell
echo
log_success "Rust (rustup) installation and configuration complete."
}
main "$@"