verinfo/
lib.rs

1//! バージョン情報。
2
3use serde::Serialize;
4use std::sync::LazyLock;
5
6#[rustfmt::skip] const GIT_BRANCH:    &str = env!("BUILD_GIT_BRANCH");
7#[allow(dead_code)]
8#[rustfmt::skip] const GIT_HASH:      &str = env!("BUILD_GIT_HASH");
9#[rustfmt::skip] const GIT_DESCRIBE:  &str = env!("BUILD_GIT_DESCRIBE");
10#[rustfmt::skip] const GIT_DATE:      &str = env!("BUILD_GIT_DATE");
11#[rustfmt::skip] const BUILD_DEBUG:   &str = env!("BUILD_CARGO_DEBUG");
12#[rustfmt::skip] const BUILD_TARGET:  &str = env!("BUILD_CARGO_TARGET");
13
14/// rustc コンパイラバージョン "major.minor.patch"
15pub fn rustc_version() -> &'static str {
16    static RUSTC_VERSION: LazyLock<String> = LazyLock::new(|| {
17        let meta = rustc_version_runtime::version_meta();
18        format!("{} {:?}", meta.short_version_string, meta.channel)
19    });
20
21    &RUSTC_VERSION
22}
23
24/// ビルドプロファイルを "debug" または "release" で返す。
25pub fn build_profile() -> &'static str {
26    if BUILD_DEBUG == "true" {
27        "debug"
28    } else {
29        "release"
30    }
31}
32
33/// バージョン情報を読みやすい形の複数行文字列で返す。
34#[rustfmt::skip]
35pub fn version_info() -> &'static str {
36    static VERSION_INFO: LazyLock<String> = LazyLock::new(||{
37        let prof = build_profile();
38        let rustc = rustc_version();
39
40        format!(
41"Build: {prof} ({BUILD_TARGET})
42Version: {GIT_BRANCH} {GIT_DESCRIBE} {GIT_DATE}
43{rustc}"
44    )
45    });
46
47    &VERSION_INFO
48}
49
50#[derive(Debug, Serialize)]
51pub struct VersionInfo {
52    pub build: String,
53    pub version: String,
54    pub rustc: String,
55}
56
57/// バージョン情報を JSON 向け構造体の形で返す。
58pub fn version_info_struct() -> &'static VersionInfo {
59    static VERSION_INFO: LazyLock<VersionInfo> = LazyLock::new(|| {
60        let prof = build_profile();
61        let rustc = rustc_version();
62
63        VersionInfo {
64            build: format!("{prof} ({BUILD_TARGET})"),
65            version: format!("{GIT_BRANCH} {GIT_DESCRIBE} {GIT_DATE}"),
66            rustc: rustc.to_string(),
67        }
68    });
69
70    &VERSION_INFO
71}
72
73/// バージョン情報を文字列ベクタの形で返す。
74pub fn version_info_vec() -> &'static Vec<String> {
75    static VERSION_INFO_VEC: LazyLock<Vec<String>> = LazyLock::new(|| {
76        let prof = build_profile();
77        let rustc = rustc_version();
78        vec![
79            format!("Build: {prof} ({BUILD_TARGET})"),
80            format!("Branch: {GIT_BRANCH}"),
81            format!("Version: {GIT_DESCRIBE}"),
82            format!("Last Updated: {GIT_DATE}"),
83            rustc.to_string(),
84        ]
85    });
86
87    &VERSION_INFO_VEC
88}
verinfo/lib.rs

verinfo/
lib.rs
