ubuntu_version/
lib.rs

1#[macro_use]
2extern crate thiserror;
3
4mod codename;
5mod version;
6
7pub use self::{codename::*, version::*};
8use std::convert::TryFrom;
9
10impl TryFrom<Version> for Codename {
11    type Error = ();
12
13    fn try_from(version: Version) -> Result<Self, Self::Error> {
14        Ok(match (version.major, version.minor) {
15            (18, 4) => Codename::Bionic,
16            (18, 10) => Codename::Cosmic,
17            (19, 4) => Codename::Disco,
18            (19, 10) => Codename::Eoan,
19            (20, 4) => Codename::Focal,
20            (20, 10) => Codename::Groovy,
21            (21, 4) => Codename::Hirsute,
22            (21, 10) => Codename::Impish,
23            (22, 4) => Codename::Jammy,
24            _ => return Err(()),
25        })
26    }
27}
28
29impl From<Codename> for Version {
30    fn from(codename: Codename) -> Version {
31        let (major, minor) = match codename {
32            Codename::Bionic => (18, 4),
33            Codename::Cosmic => (18, 10),
34            Codename::Disco => (19, 4),
35            Codename::Eoan => (19, 10),
36            Codename::Focal => (20, 4),
37            Codename::Groovy => (20, 10),
38            Codename::Hirsute => (21, 4),
39            Codename::Impish => (21, 10),
40            Codename::Jammy => (22, 4),
41        };
42
43        Version {
44            major,
45            minor,
46            patch: 0,
47        }
48    }
49}
ubuntu_version/lib.rs

ubuntu_version/
lib.rs
