lib.rs

  1//! Provides constructs for the Zed app version and release channel.
  2
  3#![deny(missing_docs)]
  4
  5use std::env;
  6
  7use gpui::{AppContext, Global, SemanticVersion};
  8use once_cell::sync::Lazy;
  9
 10static RELEASE_CHANNEL_NAME: Lazy<String> = if cfg!(debug_assertions) {
 11    Lazy::new(|| {
 12        env::var("ZED_RELEASE_CHANNEL")
 13            .unwrap_or_else(|_| include_str!("../../zed/RELEASE_CHANNEL").trim().to_string())
 14    })
 15} else {
 16    Lazy::new(|| include_str!("../../zed/RELEASE_CHANNEL").trim().to_string())
 17};
 18
 19#[doc(hidden)]
 20pub static RELEASE_CHANNEL: Lazy<ReleaseChannel> =
 21    Lazy::new(|| match RELEASE_CHANNEL_NAME.as_str() {
 22        "dev" => ReleaseChannel::Dev,
 23        "nightly" => ReleaseChannel::Nightly,
 24        "preview" => ReleaseChannel::Preview,
 25        "stable" => ReleaseChannel::Stable,
 26        _ => panic!("invalid release channel {}", *RELEASE_CHANNEL_NAME),
 27    });
 28
 29/// The Git commit SHA that Zed was built at.
 30#[derive(Clone)]
 31pub struct AppCommitSha(pub String);
 32
 33struct GlobalAppCommitSha(AppCommitSha);
 34
 35impl Global for GlobalAppCommitSha {}
 36
 37impl AppCommitSha {
 38    /// Returns the global [`AppCommitSha`], if one is set.
 39    pub fn try_global(cx: &AppContext) -> Option<AppCommitSha> {
 40        cx.try_global::<GlobalAppCommitSha>()
 41            .map(|sha| sha.0.clone())
 42    }
 43
 44    /// Sets the global [`AppCommitSha`].
 45    pub fn set_global(sha: AppCommitSha, cx: &mut AppContext) {
 46        cx.set_global(GlobalAppCommitSha(sha))
 47    }
 48}
 49
 50struct GlobalAppVersion(SemanticVersion);
 51
 52impl Global for GlobalAppVersion {}
 53
 54/// The version of Zed.
 55pub struct AppVersion;
 56
 57impl AppVersion {
 58    /// Initializes the global [`AppVersion`].
 59    ///
 60    /// Attempts to read the version number from the following locations, in order:
 61    /// 1. the `ZED_APP_VERSION` environment variable,
 62    /// 2. the [`AppContext::app_metadata`],
 63    /// 3. the passed in `pkg_version`.
 64    pub fn init(pkg_version: &str, cx: &mut AppContext) {
 65        let version = if let Ok(from_env) = env::var("ZED_APP_VERSION") {
 66            from_env.parse().expect("invalid ZED_APP_VERSION")
 67        } else {
 68            cx.app_metadata()
 69                .app_version
 70                .unwrap_or_else(|| pkg_version.parse().expect("invalid version in Cargo.toml"))
 71        };
 72        cx.set_global(GlobalAppVersion(version))
 73    }
 74
 75    /// Returns the global version number.
 76    pub fn global(cx: &AppContext) -> SemanticVersion {
 77        cx.global::<GlobalAppVersion>().0
 78    }
 79}
 80
 81/// A Zed release channel.
 82#[derive(Debug, Copy, Clone, PartialEq, Eq, Default)]
 83pub enum ReleaseChannel {
 84    /// The development release channel.
 85    ///
 86    /// Used for local debug builds of Zed.
 87    #[default]
 88    Dev,
 89
 90    /// The Nightly release channel.
 91    Nightly,
 92
 93    /// The Preview release channel.
 94    Preview,
 95
 96    /// The Stable release channel.
 97    Stable,
 98}
 99
100struct GlobalReleaseChannel(ReleaseChannel);
101
102impl Global for GlobalReleaseChannel {}
103
104/// Initializes the release channel.
105pub fn init(pkg_version: &str, cx: &mut AppContext) {
106    AppVersion::init(pkg_version, cx);
107    cx.set_global(GlobalReleaseChannel(*RELEASE_CHANNEL))
108}
109
110impl ReleaseChannel {
111    /// Returns the global [`ReleaseChannel`].
112    pub fn global(cx: &AppContext) -> Self {
113        cx.global::<GlobalReleaseChannel>().0
114    }
115
116    /// Returns the global [`ReleaseChannel`], if one is set.
117    pub fn try_global(cx: &AppContext) -> Option<Self> {
118        cx.try_global::<GlobalReleaseChannel>()
119            .map(|channel| channel.0)
120    }
121
122    /// Returns the display name for this [`ReleaseChannel`].
123    pub fn display_name(&self) -> &'static str {
124        match self {
125            ReleaseChannel::Dev => "Zed Dev",
126            ReleaseChannel::Nightly => "Zed Nightly",
127            ReleaseChannel::Preview => "Zed Preview",
128            ReleaseChannel::Stable => "Zed",
129        }
130    }
131
132    /// Returns the programmatic name for this [`ReleaseChannel`].
133    pub fn dev_name(&self) -> &'static str {
134        match self {
135            ReleaseChannel::Dev => "dev",
136            ReleaseChannel::Nightly => "nightly",
137            ReleaseChannel::Preview => "preview",
138            ReleaseChannel::Stable => "stable",
139        }
140    }
141
142    /// Returns the query parameter for this [`ReleaseChannel`].
143    pub fn release_query_param(&self) -> Option<&'static str> {
144        match self {
145            Self::Dev => None,
146            Self::Nightly => Some("nightly=1"),
147            Self::Preview => Some("preview=1"),
148            Self::Stable => None,
149        }
150    }
151}