sequintools 0.9.0

A suite of tools for manipulating and reporting on NGS data that has sequins added to the sample.
Documentation 
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use std::env;
use std::process::Command;

fn main() {
    let version = env::var("CARGO_PKG_VERSION").unwrap();

    let git_output = Command::new("git")
        .args(["describe", "--tags", "--dirty", "--always"])
        .output()
        .ok()
        .and_then(|o| String::from_utf8(o.stdout).ok())
        .and_then(|s| {
            let trimmed = s.trim();
            if trimmed.is_empty() {
                None
            } else {
                Some(trimmed.to_string())
            }
        })
        .unwrap_or_else(|| version.clone());

    println!("cargo:rustc-env=GIT_VERSION={}", git_output);
}