`pardes --wait` whose $PARDES_9P no longer answers says the session is gone, exit 1, instead of drawing a screen of its own in the asker's terminal

Co-Authored-By: Claude Opus 5.5 <[email protected]>

1 files changed, 11 insertions, 1 deletions

diff --git a/src/main.zig b/src/main.zig
index 6d895307..f6a3a3ec 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -514,7 +514,17 @@ fn nativeMain(init: std.process.Init) !void {
         // Does it answer? One that answers takes the file or says why not,
         // as acme's B does: from here on never a nested editor, whose
         // screen would be drawn inside the pane that asked.
-        ninep_io.Client.probe(arena, parent.dial) catch break :forwarding;
+        ninep_io.Client.probe(arena, parent.dial) catch {
+            // `--wait` is someone's EDITOR waiting on that session: a screen
+            // of its own drawn in their terminal is no answer. Said, exit 1.
+            if (wait) {
+                var buf: [4300]u8 = undefined;
+                const text = std.fmt.bufPrint(&buf, "pardes: --wait: the session at {s} does not answer; it is gone\n", .{parent.dial[0..@min(parent.dial.len, 4096)]}) catch "pardes: --wait: the session does not answer\n";
+                std.Io.File.stderr().writeStreamingAll(init.io, text) catch {};
+                std.process.exit(1);
+            }
+            break :forwarding;
+        };
         const Refuse = struct {
             fn with(io: std.Io, what: []const u8, err: anyerror) noreturn {
                 var words_buf: [128]u8 = undefined;