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termio/exec: use arraylist to build up message for error

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This commit is contained in:
Mitchell Hashimoto
2023-12-30 15:52:26 -08:00
parent fc963064c6
commit aaded1f311
1 changed files with 19 additions and 7 deletions
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26
src/termio/Exec.zig
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@ -749,26 +749,38 @@ fn processExit(
if (code == 0) break :runtime;
}
// Our runtime always has to be under the threshold to be
// considered abnormal. This is because a user can always
// manually do something like `exit 1` in their shell to
// force the exit code to be non-zero. We only want to detect
// abnormal exits that happen so quickly the user can't react.
if (runtime > abnormal_runtime_threshold_ms) break :runtime;
log.warn("abnormal process exit detected, showing error message", .{});
// Build our error message. Do this outside of the renderer lock.
const alloc = ev.terminal_stream.handler.alloc;
var msg = std.ArrayList(u8).init(alloc);
defer msg.deinit();
var writer = msg.writer();
writer.writeAll(
\\ Ghostty failed to launch the requested command.
\\ Please check your "command" configuration.
\\
\\ Press any key to close this window.
) catch break :runtime;
// Modify the terminal to show our error message. This
// requires grabbing the renderer state lock.
ev.renderer_state.mutex.lock();
defer ev.renderer_state.mutex.unlock();
const alloc = ev.terminal_stream.handler.alloc;
const t = ev.renderer_state.terminal;
// Reset the terminal completely.
t.fullReset(alloc);
// Write our message out.
const view = std.unicode.Utf8View.init(
\\ Ghostty failed to launch the requested command.
\\ Please check your "command" configuration.
\\
\\ Press any key to exit.
) catch break :runtime;
const view = std.unicode.Utf8View.init(msg.items) catch
break :runtime;
var it = view.iterator();
while (it.nextCodepoint()) |cp| {
if (cp == '\n') {