features := ""
libc := "gnu"
arch := "" # use the default architecture
os := "" # use the default os

_features := if features == "all" {
        "--all-features"
    } else if features != "" {
        "--features=" + features
    } else { "" }

_arch := if arch == "" {
        arch()
    } else if arch == "amd64" {
        "x86_64"
    } else if arch == "x86_64" {
        "x86_64"
    } else if arch == "arm64" {
        "aarch64"
    } else if  arch == "aarch64" {
        "aarch64"
    } else {
        error("unsupported arch=" + arch)
    }

_os := if os == "" {
        os()
    } else {
        os
    }

_os_target := if _os == "macos" {
        "apple-darwin"
    } else if _os == "linux" {
        "unknown-linux"
    } else {
        error("unsupported os=" + _os)
    }

_default_target := `rustc -vV | sed -n 's|host: ||p'`
target := _arch + "-" + _os_target + if _os == "linux" { "-" + libc } else { "" }
_resolved_target := if target != _default_target { target } else { "" }
_target-option := if _resolved_target != "" { "--target " + _resolved_target } else { "" }

clean:
    cargo clean

fmt:
    cargo fmt --all

check-fmt:
    cargo fmt --all -- --check

clippy: (_target-installed target)
    cargo clippy {{ _target-option }} --all-targets --workspace -- -D warnings

# Runs all lints (fmt, clippy, deny)
lint: check-fmt clippy

build *flags: (_target-installed target)
    cargo build {{ _target-option }} {{ _features }} {{ flags }}

print-target:
    @echo {{ _resolved_target }}

test: (_target-installed target)
    cargo nextest run {{ _target-option }} --all-features

doctest:
    cargo test --doc

# Runs lints and tests
verify: lint test doctest

udeps *flags:
    RUSTC_BOOTSTRAP=1 cargo udeps --all-features --all-targets {{ flags }}

_target-installed target:
    #!/usr/bin/env bash
    set -euo pipefail
    if ! rustup target list --installed |grep -qF '{{ target }}' 2>/dev/null ; then
        rustup target add '{{ target }}'
    fi