oj_notify 0.2.48

Fork of notify 9.0.0-rc.6 maintained for oj, carrying the unreleased upstream FSEvents fix that preserves pending events across watch changes (notify-rs/notify#1033). Use upstream notify unless you need this fix.
Documentation 
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

use std::{env, process::Command};

include!("src/freebsd_version.rs");

const FREEBSD_VERSION_COMMAND: &str = "/bin/freebsd-version";

fn main() {
    println!("cargo::rerun-if-changed=build.rs");
    println!("cargo::rerun-if-changed=src/freebsd_version.rs");
    println!("cargo::rustc-check-cfg=cfg(notify_freebsd_inotify)");

    if env::var("CARGO_CFG_TARGET_OS").as_deref() != Ok("freebsd") {
        return;
    }

    let feature_enabled = env::var_os("CARGO_FEATURE_FREEBSD_INOTIFY").is_some();
    // freebsd-version describes the host, so only use it for native builds.
    let native_build = matches!(
        (env::var("HOST"), env::var("TARGET")),
        (Ok(host), Ok(target)) if host == target
    );
    if native_build {
        println!("cargo::rerun-if-changed={FREEBSD_VERSION_COMMAND}");
    }
    let version_supported =
        native_build && freebsd_release().is_some_and(|release| release >= FREEBSD_INOTIFY_MIN);

    if feature_enabled || version_supported {
        println!("cargo::rustc-cfg=notify_freebsd_inotify");
    }
}

fn freebsd_release() -> Option<(u32, u32)> {
    let output = Command::new(FREEBSD_VERSION_COMMAND)
        .arg("-u")
        .output()
        .ok()?;
    if !output.status.success() {
        return None;
    }

    parse_freebsd_release(std::str::from_utf8(&output.stdout).ok()?)
}