Make the commit sha availabe in the app, via a global

Co-authored-by: Mikayla <mikayla@zed.dev>
Co-authored-by: Kirill <kirill@zed.dev>

crates/util/src/channel.rs

@@ -1,6 +1,5 @@
-use std::env;
-
 use lazy_static::lazy_static;
+use std::env;
 
 lazy_static! {
     pub static ref RELEASE_CHANNEL_NAME: String = if cfg!(debug_assertions) {
@@ -18,6 +17,8 @@ lazy_static! {
     };
 }
 
+pub struct AppCommitSha(pub String);
+
 #[derive(Copy, Clone, PartialEq, Eq, Default)]
 pub enum ReleaseChannel {
     #[default]
@@ -40,7 +41,6 @@ impl ReleaseChannel {
     pub fn dev_name(&self) -> &'static str {
         match self {
             ReleaseChannel::Dev => "dev",
-            // TODO kb need to add DB data
             ReleaseChannel::Nightly => "nightly",
             ReleaseChannel::Preview => "preview",
             ReleaseChannel::Stable => "stable",
@@ -69,7 +69,6 @@ impl ReleaseChannel {
     pub fn release_query_param(&self) -> Option<&'static str> {
         match self {
             Self::Dev => None,
-            // TODO kb need to add server handling
             Self::Nightly => Some("nightly=1"),
             Self::Preview => Some("preview=1"),
             Self::Stable => None,

crates/zed2/build.rs

@@ -1,3 +1,5 @@
+use std::process::Command;
+
 fn main() {
     println!("cargo:rustc-env=MACOSX_DEPLOYMENT_TARGET=10.15.7");
 
@@ -21,4 +23,14 @@ fn main() {
 
     // Register exported Objective-C selectors, protocols, etc
     println!("cargo:rustc-link-arg=-Wl,-ObjC");
+
+    // Populate git sha environment variable if git is available
+    if let Ok(output) = Command::new("git").args(["rev-parse", "HEAD"]).output() {
+        if output.status.success() {
+            println!(
+                "cargo:rustc-env=ZED_COMMIT_SHA={}",
+                String::from_utf8_lossy(&output.stdout).trim()
+            );
+        }
+    }
 }

crates/zed2/src/main.rs

@@ -43,7 +43,7 @@ use std::{
 use theme::ActiveTheme;
 use util::{
     async_maybe,
-    channel::{parse_zed_link, ReleaseChannel, RELEASE_CHANNEL},
+    channel::{parse_zed_link, AppCommitSha, ReleaseChannel, RELEASE_CHANNEL},
     http::{self, HttpClient},
     paths, ResultExt,
 };
@@ -113,6 +113,10 @@ fn main() {
 
     app.run(move |cx| {
         cx.set_global(*RELEASE_CHANNEL);
+        if let Some(build_sha) = option_env!("ZED_COMMIT_SHA") {
+            cx.set_global(AppCommitSha(build_sha.into()))
+        }
+
         cx.set_global(listener.clone());
 
         load_embedded_fonts(cx);

crates/zed2/src/zed2.rs

@@ -23,7 +23,7 @@ use std::{borrow::Cow, ops::Deref, sync::Arc};
 use terminal_view::terminal_panel::TerminalPanel;
 use util::{
     asset_str,
-    channel::ReleaseChannel,
+    channel::{AppCommitSha, ReleaseChannel},
     paths::{self, LOCAL_SETTINGS_RELATIVE_PATH},
     ResultExt,
 };
@@ -432,9 +432,16 @@ pub fn initialize_workspace(app_state: Arc<AppState>, cx: &mut AppContext) {
 }
 
 fn about(_: &mut Workspace, _: &About, cx: &mut gpui::ViewContext<Workspace>) {
+    use std::fmt::Write as _;
+
     let app_name = cx.global::<ReleaseChannel>().display_name();
     let version = env!("CARGO_PKG_VERSION");
-    let prompt = cx.prompt(PromptLevel::Info, &format!("{app_name} {version}"), &["OK"]);
+    let mut message = format!("{app_name} {version}");
+    if let Some(sha) = cx.try_global::<AppCommitSha>() {
+        write!(&mut message, "\n\n{}", sha.0).unwrap();
+    }
+
+    let prompt = cx.prompt(PromptLevel::Info, &message, &["OK"]);
     cx.foreground_executor()
         .spawn(async {
             prompt.await.ok();