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fix(desktop): build AppImage with the static runtime toolset (fixes libfuse2 launch failure) #7765

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fix(desktop): build AppImage with the static runtime toolset (fixes libfuse2 launch failure) #7765

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fix(desktop): build AppImage with the static runtime toolset
Bombatomica64 Aug 21, 2026
fb47554
fix(desktop): build AppImage with the static runtime toolset
Bombatomica64 Aug 21, 2026
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6 changes: 6 additions & 0 deletions scripts/build-desktop-artifact.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -481,6 +481,12 @@ it.layer(NodeServices.layer)("build-desktop-artifact", (it) => {
assert.deepStrictEqual((linux.linux as Record<string, unknown>).protocols, [
{ name: "T3 Code", schemes: ["t3code", "t3code-dev"] },
]);
// The AppImage must be built with the static runtime toolset.
// electron-builder's default ("0.0.0") emits a runtime dynamically
// linked against libfuse.so.2, which FUSE 3-only distros cannot mount.
assert.deepStrictEqual(linux.toolsets, { appimage: "1.0.3" });
assert.notProperty(mac, "toolsets");
assert.notProperty(win, "toolsets");
for (const config of [mac, linux, win]) {
assert.deepStrictEqual(config.electronLanguages, DESKTOP_ELECTRON_LANGUAGES);
assert.deepStrictEqual(config.files, DESKTOP_FILE_EXCLUSIONS);
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8 changes: 8 additions & 0 deletions scripts/build-desktop-artifact.ts
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Expand Up @@ -2108,6 +2108,14 @@ export const createBuildConfig = Effect.fn("createBuildConfig")(function* (
}

if (platform === "linux") {
// Pin the static AppImage toolset. electron-builder's default for
// `toolsets.appimage` is the legacy "0.0.0" bundle, whose type-2 runtime
// is dynamically linked against libfuse.so.2; distros that ship only
// FUSE 3 (Ubuntu 24.04+, Debian trixie/forky) can no longer mount it and
// the AppImage dies with `dlopen(): error loading libfuse.so.2` before
// Electron starts. The 1.0.3 bundle uses runtime 20251108, which is
// statically linked and needs no FUSE at all.
buildConfig.toolsets = { appimage: "1.0.3" };
buildConfig.linux = {
target: [target],
executableName: "t3code",
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