From 03a96b0b49e1927548b4bb37e2b4eb58be14f5b7 Mon Sep 17 00:00:00 2001
From: Gabriel Schneider <gbrls@0x4200.cafe>
Date: Tue, 29 Sep 2026 11:36:18 -0300
Subject: The panes present at boot are the log's first records, before what an
 init file said

The boot announce ran after the init file, so its msg (ThemeSel: renamed to Themes) came before new 1. A msg or path record said while the log is still empty now announces the panes first.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
---
 src/exec.zig         | 12 +++++++++---
 src/ninep/events.zig |  8 ++++++++
 2 files changed, 17 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/exec.zig b/src/exec.zig
index 9e46b434..421bfd13 100644
--- a/src/exec.zig
+++ b/src/exec.zig
@@ -824,10 +824,8 @@ pub fn applyStartupConfig(p: *Pardes) void {
 }
 
 test "an init file's ThemeSel runs as Themes and says it was renamed" {
-    const p = try Pardes.init(std.testing.allocator, .{ .tty_only = true, .cols = 80, .rows = 24 });
+    const p = try Pardes.init(std.testing.allocator, .{ .tty_only = true, .cols = 80, .rows = 24, .startup_config = "ThemeSel\n" });
     defer p.deinit();
-    p.opts.startup_config = "ThemeSel\n";
-    applyStartupConfig(p);
     var listed = false;
     for (p.panes) |slot| if (slot) |pane| if (pane.file) |f| if (f.output) |o| {
         listed = listed or std.meta.eql(o.from, panes.Output.Origin{ .cmd = .Themes });
@@ -838,6 +836,14 @@ test "an init file's ThemeSel runs as Themes and says it was renamed" {
         said = said or std.mem.eql(u8, pane.msg[0..pane.msg_len], "ThemeSel: renamed to Themes");
     };
     try std.testing.expect(said);
+    // The panes there at boot are the log's first records, before what the
+    // init file said.
+    const th = @import("ninep/testing.zig");
+    const log = @intFromEnum(pardes.ctlfs.TopFile.log);
+    const h = th.call(p, .{ .tag = 1, .op = .open, .node = log }).reply.handle;
+    defer _ = th.call(p, .{ .tag = 3, .op = .release, .node = log, .handle = h });
+    const text = th.call(p, .{ .tag = 2, .op = .read, .node = log, .handle = h, .size = 1 << 16 }).bytes;
+    try std.testing.expectStringStartsWith(text, "new ");
 }
 
 test "an init file's retired ColumnTags line is said and ignored" {
diff --git a/src/ninep/events.zig b/src/ninep/events.zig
index 95b4926e..2fe25071 100644
--- a/src/ninep/events.zig
+++ b/src/ninep/events.zig
@@ -145,6 +145,12 @@ pub fn announce(p: *Pardes) void {
     }
 }
 
+/// The panes present at boot are the log's first records: something said
+/// before the first update ends (an init file's notice) waits for them.
+fn bootFirst(p: *Pardes) void {
+    if (newest(p) == null) announce(p);
+}
+
 /// Records `<kind> <serial> <name>`.
 pub fn noteLog(p: *Pardes, kind: LogKind, pane: *Pane) void {
     var buf: [4 * 4096 + 64]u8 = undefined;
@@ -161,6 +167,7 @@ pub fn noteMessage(p: *Pardes, serial: u32, said: []const u8) void {
     var buf: [pardes.Messages.LoggedMessage.cap + 32]u8 = undefined;
     const kept = pardes.Messages.clip(said, pardes.Messages.LoggedMessage.cap);
     const cut = if (kept.len < said.len) "…" else "";
+    bootFirst(p);
     pushCounting(p, (if (serial == 0)
         std.fmt.bufPrint(&buf, "msg - {s}{s}\n", .{ kept, cut })
     else
@@ -175,6 +182,7 @@ pub fn noteMessage(p: *Pardes, serial: u32, said: []const u8) void {
 /// `dump <path>` when a Dump is written, `restore <path>` first in a
 /// Restore's replacement.
 pub fn notePath(p: *Pardes, what: []const u8, path: []const u8) void {
+    bootFirst(p);
     var buf: [pardes.memory.limits.host_path_cap + 16]u8 = undefined;
     pushLog(p, std.fmt.bufPrint(&buf, "{s} {s}\n", .{ what, path }) catch return);
 }
-- 
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