A new file, once saved, shows in /recent, open

A pane named for a file not yet on disk is not kept in Recent (round 22), and its Save did not add it, so the file stayed out of /recent while open. A Save that puts a file on disk now records it.

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

2 files changed, 29 insertions, 0 deletions

diff --git a/src/ninep/ctl.zig b/src/ninep/ctl.zig
index a11bfeda..e31b9e67 100644
--- a/src/ninep/ctl.zig
+++ b/src/ninep/ctl.zig
@@ -2543,6 +2543,33 @@ test "Recent keeps only files on disk: not a name never saved, nor the served tr
     try testing.expect(p.recent.get(names[2]) != null);
 }
 
+test "a new file saved shows in /recent, open, while it is" {
+    const p = try withFile(testing.allocator, "x\n");
+    defer p.deinit();
+    var tmp = testing.tmpDir(.{});
+    defer tmp.cleanup();
+    var dir_buf: [4096]u8 = undefined;
+    const dir = dir_buf[0..try tmp.dir.realPath(testing.io, &dir_buf)];
+    // A host that writes files, as the real ones do.
+    const Writing = struct {
+        fn write(_: ?*anyopaque, _: u8, path: []const u8, bytes: []const u8) void {
+            std.Io.Dir.cwd().writeFile(testing.io, .{ .sub_path = path, .data = bytes }) catch {};
+        }
+    };
+    p.host = .{ .vtable = &.{ .write_file = Writing.write } };
+    defer p.host = .{};
+    const made = try th.newPane(p);
+    var line: [4200]u8 = undefined;
+    const path = try std.fmt.bufPrint(&line, "{s}/new.txt", .{dir});
+    var name: [4200]u8 = undefined;
+    _ = wr(p, Node.of(made, .name), try std.fmt.bufPrint(&name, "{s}\n", .{path}));
+    _ = wr(p, Node.of(made, .body), "fresh\n");
+    try testing.expectEqual(Status.ok, wr(p, Node.of(made, .ctl), "Save\n").reply.status);
+    p.perform(.{ .save_file = .{ .pane = @intCast(p.paneBySerial(made).?) } });
+    var want: [4300]u8 = undefined;
+    try testing.expect(std.mem.indexOf(u8, rd(p, @intFromEnum(tree.TopFile.recent), 0, 8192).bytes, try std.fmt.bufPrint(&want, "open {s}\n", .{path})) != null);
+}
+
 test "/recent shows a name as /index does, a newline in it escaped" {
     const p = try withFile(testing.allocator, "x\n");
     defer p.deinit();
diff --git a/src/pardes.zig b/src/pardes.zig
index d5935302..12acfbd6 100644
--- a/src/pardes.zig
+++ b/src/pardes.zig
@@ -5570,6 +5570,8 @@ pub const Pardes = struct {
                 if (saved.saved_revision != saved.revision) return;
                 saved.disk_gone = false;
                 ctlfs.events.noteLog(p, .save, saved_pane);
+                // On disk now, a new file too: Recent has it, open.
+                if (saved.output == null and recentKeeps(saved.path)) p.recent.opened(p.recentGpa(), saved.path);
                 if (!saved.watch_after_save) return;
                 saved.watch_after_save = false;
                 if (filesystem.localPath(saved.path) != null)