zed: Add --system-specs arg (#27285)

Adds the `--system-specs` flag to the Zed binary, so that users who wish
to report issues can retrieve their system specs, even if Zed is failing
to launch

Still TODO:
- [x] Test and do best effort GPU info detection on Linux
- [ ] Modify GitHub issue templates to tell users that the flag is
available if they are unable to launch Zed

Release Notes:

- Added the `--system-specs` flag to the Zed binary (not the cli!), to
retrieve the system specs we ask for in GitHub issues without needing to
open Zed

crates/zed/src/main.rs

@@ -215,6 +215,16 @@ fn main() {
         session_id.clone(),
     );
 
+    if args.system_specs {
+        let system_specs = feedback::system_specs::SystemSpecs::new_stateless(
+            app_version,
+            app_commit_sha.clone(),
+            *release_channel::RELEASE_CHANNEL,
+        );
+        println!("Zed System Specs (from CLI):\n{}", system_specs);
+        return;
+    }
+
     let (open_listener, mut open_rx) = OpenListener::new();
 
     let failed_single_instance_check = if *db::ZED_STATELESS
@@ -953,6 +963,11 @@ struct Args {
     #[arg(long)]
     dev_server_token: Option<String>,
 
+    /// Prints system specs. Useful for submitting issues on GitHub when encountering a bug
+    /// that prevents Zed from starting, so you can't run `zed: copy system specs to clipboard`
+    #[arg(long)]
+    system_specs: bool,
+
     /// Run zed in the foreground, only used on Windows, to match the behavior of the behavior on macOS.
     #[arg(long)]
     #[cfg(target_os = "windows")]