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|
mod command;
use command::command_stdout_lossy;
use std::{cmp::Ordering, fmt, fmt::Formatter, io};
pub fn version() -> String {
let version = MacosVersion::new()
.map(|version| version.version())
.unwrap_or(String::from("N/A"));
format!("macOS {version}")
}
pub fn short_version() -> String {
let version = MacosVersion::new()
.map(|version| version.short_version())
.unwrap_or(String::from("N/A"));
format!("macOS {version}")
}
pub fn extra_metadata() -> impl Iterator<Item = (String, String)> {
std::iter::empty()
}
#[derive(Debug, Clone)]
pub struct MacosVersion {
raw_version: String,
major: u32,
minor: u32,
patch: Option<u32>,
}
impl PartialEq for MacosVersion {
fn eq(&self, other: &Self) -> bool {
self.major_version() == other.major_version()
&& self.minor_version() == other.minor_version()
&& self.patch_version() == other.patch_version()
}
}
impl PartialOrd for MacosVersion {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
let major = self.major_version().partial_cmp(&other.major_version())?;
let minor = self.minor_version().partial_cmp(&other.minor_version())?;
let patch = self.patch_version().partial_cmp(&other.patch_version())?;
Some(major.then(minor).then(patch))
}
}
impl fmt::Display for MacosVersion {
fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result {
f.write_str(&self.version())
}
}
impl MacosVersion {
pub fn new() -> Result<MacosVersion, io::Error> {
Self::from_raw_version(&run_sw_vers()?)
}
pub fn from_raw_version(version_string: &str) -> Result<MacosVersion, io::Error> {
let (major, minor, patch) = parse_version_output(version_string).ok_or(io::Error::new(
io::ErrorKind::InvalidInput,
"Failed to parse raw version string",
))?;
Ok(MacosVersion {
raw_version: version_string.to_owned(),
major,
minor,
patch,
})
}
/// Return the current version as a string (e.g. 14.2.1)
pub fn version(&self) -> String {
self.raw_version.clone()
}
/// Return the current version as a string (e.g. 14.2), not including the patch version
pub fn short_version(&self) -> String {
format!("{}.{}", self.major_version(), self.minor_version())
}
pub fn major_version(&self) -> u32 {
self.major
}
pub fn minor_version(&self) -> u32 {
self.minor
}
pub fn patch_version(&self) -> u32 {
self.patch.unwrap_or(0)
}
}
/// Outputs a string in a format `$major.$minor.$patch`, e.g. `11.0.1`
fn run_sw_vers() -> io::Result<String> {
command_stdout_lossy("sw_vers", &["-productVersion"])
}
fn parse_version_output(output: &str) -> Option<(u32, u32, Option<u32>)> {
let mut parts = output.split('.');
let major = parts.next()?.parse().ok()?;
let minor = parts.next()?.parse().ok()?;
let patch = parts.next().and_then(|patch| patch.parse().ok());
Some((major, minor, patch))
}
#[test]
fn test_version_parsing() {
// % sw_vers --productVersion
// 14.2.1
let version = MacosVersion::from_raw_version("14.2.1").expect("failed to parse version");
assert_eq!(version.major_version(), 14);
assert_eq!(version.minor_version(), 2);
assert_eq!(version.patch_version(), 1);
}
#[test]
fn test_version_order() {
assert_eq!(
MacosVersion::from_raw_version("13.0").unwrap(),
MacosVersion::from_raw_version("13.0.0").unwrap()
);
assert_eq!(
MacosVersion::from_raw_version("13.0")
.unwrap()
.partial_cmp(&MacosVersion::from_raw_version("13.0.0").unwrap()),
Some(Ordering::Equal),
);
// test major version
assert!(
MacosVersion::from_raw_version("13.0").unwrap()
< MacosVersion::from_raw_version("14.2.1").unwrap()
);
assert!(
MacosVersion::from_raw_version("13.0").unwrap()
> MacosVersion::from_raw_version("12.1").unwrap()
);
// test minor version
assert!(
MacosVersion::from_raw_version("14.3").unwrap()
> MacosVersion::from_raw_version("14.2").unwrap()
);
assert!(
MacosVersion::from_raw_version("14.2").unwrap()
< MacosVersion::from_raw_version("14.3").unwrap()
);
// test patch version
assert!(
MacosVersion::from_raw_version("14.2.1").unwrap()
> MacosVersion::from_raw_version("14.2").unwrap()
);
assert!(
MacosVersion::from_raw_version("14.2.2").unwrap()
> MacosVersion::from_raw_version("14.2.1").unwrap()
);
assert!(
MacosVersion::from_raw_version("14.2.2").unwrap()
< MacosVersion::from_raw_version("14.2.3").unwrap()
);
}
|
