Ely Office: six offline-first desktop apps in Rust and GPUI

ElyDoc, ElyTable, ElyShow (LibreOfficeKit), ElyPDF (MuPDF), ElyTree (Git), ElyMark (Milkdown and CodeMirror in CEF). ElyMail and ElyAgent follow.
2026-10-08 21:20:08 -04:00
commit b7fca0146d
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@@ -0,0 +1,31 @@
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@@ -0,0 +1,31 @@
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@@ -0,0 +1,31 @@
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@@ -0,0 +1,31 @@
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@@ -0,0 +1,31 @@
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@@ -0,0 +1,31 @@
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@@ -0,0 +1,31 @@
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@@ -0,0 +1,34 @@
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@@ -0,0 +1,31 @@
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@@ -0,0 +1,31 @@
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@@ -0,0 +1,29 @@
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+bright_red = "#2a2a2a"
+bright_yellow = "#4a4a4a"
+bright_green = "#3a3a3a"
+bright_cyan = "#3e3e3e"
+bright_blue = "#1a1a1a"
+bright_magenta = "#2e2e2e"
@@ -0,0 +1,78 @@
+//! Harness-less: GPUI must run on the main thread.
+use std::{
+    fs,
+    path::PathBuf,
+    process::{Command, Output},
+};
+
+use ely_platform::{AppId, logging, startup};
+
+const CHILD: &str = "ELY_STARTUP_CHILD";
+const DIR: &str = "ELY_STARTUP_DIR";
+
+fn main() {
+    match std::env::var(CHILD).as_deref() {
+        Ok("launch") => {
+            boot();
+            gpui_platform::application().run(|_| panic!("fault: renderer"));
+        }
+        Ok("late") => {
+            boot();
+            startup::started();
+            panic!("fault: an hour in");
+        }
+        _ => {
+            a_panic_inside_gpuis_launch_callback_is_reported_as_a_failed_start();
+            a_panic_after_the_start_is_an_ordinary_panic();
+            println!("startup_panic: 2 cases pass");
+        }
+    }
+}
+
+fn boot() {
+    logging::init_in(AppId::Doc, &PathBuf::from(std::env::var_os(DIR).unwrap())).unwrap();
+    startup::guard(AppId::Doc);
+}
+
+fn child(mode: &str) -> (Output, tempfile::TempDir) {
+    let dir = tempfile::tempdir().unwrap();
+    let output = Command::new(std::env::current_exe().unwrap())
+        .env(CHILD, mode)
+        .env(DIR, dir.path())
+        .env("ELY_NO_DIALOG", "1")
+        .output()
+        .unwrap();
+    (output, dir)
+}
+
+fn a_panic_inside_gpuis_launch_callback_is_reported_as_a_failed_start() {
+    let (output, dir) = child("launch");
+
+    assert_eq!(output.status.code(), Some(1), "{output:?}");
+    let stderr = String::from_utf8_lossy(&output.stderr);
+    assert!(
+        stderr.contains("ElyDoc could not start") && stderr.contains("fault: renderer"),
+        "{stderr}"
+    );
+    let log = fs::read_to_string(dir.path().join("ely.log")).unwrap();
+    assert!(
+        log.contains("ElyDoc cannot start: the app panicked before its first frame"),
+        "{log}"
+    );
+}
+
+fn a_panic_after_the_start_is_an_ordinary_panic() {
+    let (output, dir) = child("late");
+
+    assert_eq!(output.status.code(), Some(101), "{output:?}");
+    let stderr = String::from_utf8_lossy(&output.stderr);
+    assert!(
+        stderr.contains("fault: an hour in") && !stderr.contains("could not start"),
+        "{stderr}"
+    );
+    let log = fs::read_to_string(dir.path().join("ely.log")).unwrap();
+    assert!(
+        log.contains("panic:") && !log.contains("cannot start"),
+        "{log}"
+    );
+}