Struct Derivation

pub struct Derivation {
    pub drv_path: PathBuf,
    pub outputs: HashMap<String, PathBuf>,
}

Represents a nix build output derivation

Fields

drv_path: PathBuf

Derivation path

outputs: HashMap<String, PathBuf>

List of outputs for this derivation

Example outputs: out, dev

Implementations

impl Derivation

pub fn out(&self) -> Option<&PathBuf>

Examples found in repository

examples/hello.rs (line 9)

fn main() {
    let outputs = nix::Config::new()
        .target_flake("nixpkgs#hello")
        .build()
        .expect("nix build to work");

    let hello = outputs[0].out().expect("default output to be available");

    let stdout = std::process::Command::new(format!("{}/bin/hello", hello.display().to_string()))
        .output()
        .expect("hello to succeed")
        .stdout;

    let stdout = std::str::from_utf8(&stdout).expect("stdout to be UTF-8");
    assert!(stdout == "Hello, world!\n");

    print!("{}", stdout);
}

Trait Implementations

impl Debug for Derivation

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Derivation

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.