linetime 1.0.2

Linetime is a command line utility to add timestamps at the start of lines. The tool can either process lines from stdin or execute a command and process lines from the command's stdout and stderr. 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49

use std::path::PathBuf;
use std::process::Stdio;
use std::sync::LazyLock;

static CARGO_ARTIFACTS: LazyLock<Vec<cargo_metadata::Artifact>> =
    LazyLock::<Vec<cargo_metadata::Artifact>>::new(|| {
        let mut cargo = std::process::Command::new("cargo")
            .args(vec!["test", "--no-run", "--message-format", "json"])
            .stdout(Stdio::piped())
            .spawn()
            .expect("Cargo should provide info about tests");
        let reader = std::io::BufReader::new(cargo.stdout.take().unwrap());

        let mut artifacts = vec![];
        for message in cargo_metadata::Message::parse_stream(reader) {
            if let cargo_metadata::Message::CompilerArtifact(artifact) = message.unwrap() {
                artifacts.push(artifact);
            }
        }

        if cargo.wait().is_err() {
            panic!("Cargo failed!");
        }
        artifacts
    });

pub static LINETIME_PATH: LazyLock<PathBuf> = LazyLock::<PathBuf>::new(|| {
    let artifact = CARGO_ARTIFACTS
        .iter()
        .find(|artifact| artifact.target.name == "linetime" && !artifact.profile.test)
        .expect("No linetime artifact provided by cargo");
    let path = artifact
        .executable
        .as_ref()
        .expect("linetime artifact should have an executable");
    path.into()
});

pub static MARIONETTE_PATH: LazyLock<PathBuf> = LazyLock::<PathBuf>::new(|| {
    let artifact = CARGO_ARTIFACTS
        .iter()
        .find(|artifact| artifact.target.name == "marionette")
        .expect("No marionette artifact provided by cargo");
    let path = artifact
        .executable
        .as_ref()
        .expect("marionette artifact should have an executable");
    path.into()
});