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Only replay scrollback buffer on VT, not serial console

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Ray Strode 2023-07-14 16:35:13 -04:00 committed by root
parent 83a7650ca8
commit 70298f419d
3 changed files with 186 additions and 10 deletions
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1
.plymouth.metadata Normal file
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@ -0,0 +1 @@
99c241db2da7e2e2d03acacd58c79b2fa19e13e3 plymouth-1ea1020.tar.gz

167
0001-details-Don-t-replay-boot-buffer-on-serial-consoles.patch Normal file
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From c42ff26b3dd3afa520946b1e28716055134cab50 Mon Sep 17 00:00:00 2001
From: Ray Strode <rstrode@redhat.com>
Date: Tue, 30 Aug 2022 14:41:36 -0400
Subject: [PATCH] details: Don't replay boot buffer on serial consoles
commit 0e59dde8 changed the details plugin to clear the terminal when
first opening it. This was done to prevent duplicate messages from
showing up when toggling back and forth between details and graphical
splashes.
That has the negative side effect of purging serial console output too
though. Furthermore, it makes little sense to replay the boot buffer
on serial consoles, since serial consoles don't aggressively purge
scrollback like VTs do.
This commit adds a check to make sure the terminal is a VT before trying
to clear and replay the scrollback buffer.
Closes: https://gitlab.freedesktop.org/plymouth/plymouth/-/issues/187
---
src/plugins/splash/details/plugin.c | 38 ++++++++++++++++++++---------
1 file changed, 27 insertions(+), 11 deletions(-)
diff --git a/src/plugins/splash/details/plugin.c b/src/plugins/splash/details/plugin.c
index 254f682b..140fb282 100644
--- a/src/plugins/splash/details/plugin.c
+++ b/src/plugins/splash/details/plugin.c
@@ -175,109 +175,125 @@ destroy_plugin (ply_boot_splash_plugin_t *plugin)
detach_from_event_loop,
plugin);
detach_from_event_loop (plugin);
}
free_messages (plugin);
free_views (plugin);
free (plugin);
}
static void
detach_from_event_loop (ply_boot_splash_plugin_t *plugin)
{
plugin->loop = NULL;
ply_trace ("detaching from event loop");
}
static void
view_write (view_t *view,
const char *text,
size_t number_of_bytes)
{
ply_terminal_t *terminal;
terminal = ply_text_display_get_terminal (view->display);
ply_terminal_write (terminal, "%.*s", (int) number_of_bytes, text);
}
+static void
+view_write_boot_buffer (view_t *view)
+{
+ ply_boot_splash_plugin_t *plugin;
+ ply_terminal_t *terminal;
+
+ plugin = view->plugin;
+
+ terminal = ply_text_display_get_terminal (view->display);
+
+ ply_text_display_clear_screen (view->display);
+ ply_terminal_activate_vt (terminal);
+
+ if (plugin->boot_buffer != NULL) {
+ size_t size;
+ const char *bytes;
+
+ size = ply_buffer_get_size (plugin->boot_buffer);
+ bytes = ply_buffer_get_bytes (plugin->boot_buffer);
+ view_write (view, bytes, size);
+ }
+}
+
static void
write_on_views (ply_boot_splash_plugin_t *plugin,
const char *text,
size_t number_of_bytes)
{
ply_list_node_t *node;
if (number_of_bytes == 0)
return;
node = ply_list_get_first_node (plugin->views);
while (node != NULL) {
ply_list_node_t *next_node;
view_t *view;
view = ply_list_node_get_data (node);
next_node = ply_list_get_next_node (plugin->views, node);
view_write (view, text, number_of_bytes);
node = next_node;
}
}
static void
add_text_display (ply_boot_splash_plugin_t *plugin,
ply_text_display_t *display)
{
view_t *view;
ply_terminal_t *terminal;
view = view_new (plugin, display);
terminal = ply_text_display_get_terminal (view->display);
- if (ply_terminal_open (terminal)) {
- ply_text_display_clear_screen (view->display);
- ply_terminal_activate_vt (terminal);
- }
- ply_list_append_data (plugin->views, view);
+ ply_terminal_open (terminal);
- if (plugin->boot_buffer != NULL) {
- size_t size;
- const char *bytes;
+ ply_list_append_data (plugin->views, view);
- size = ply_buffer_get_size (plugin->boot_buffer);
- bytes = ply_buffer_get_bytes (plugin->boot_buffer);
- view_write (view, bytes, size);
+ if (ply_terminal_is_vt (terminal)) {
+ view_write_boot_buffer (view);
}
}
static void
remove_text_display (ply_boot_splash_plugin_t *plugin,
ply_text_display_t *display)
{
ply_list_node_t *node;
node = ply_list_get_first_node (plugin->views);
while (node != NULL) {
view_t *view;
ply_list_node_t *next_node;
view = ply_list_node_get_data (node);
next_node = ply_list_get_next_node (plugin->views, node);
if (view->display == display) {
ply_list_remove_node (plugin->views, node);
return;
}
node = next_node;
}
}
static bool
show_splash_screen (ply_boot_splash_plugin_t *plugin,
ply_event_loop_t *loop,
ply_buffer_t *boot_buffer,
--
2.41.0.rc2

28
plymouth.spec
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@ -5,7 +5,7 @@
Summary: Graphical Boot Animation and Logger
Name: plymouth
Version: 0.9.5
Release: 6.%{commitdate}git%{shortcommit}%{?dist}
Release: 7.%{commitdate}git%{shortcommit}%{?dist}
License: GPLv2+
URL: http://www.freedesktop.org/wiki/Software/Plymouth
@ -14,20 +14,24 @@ Source0: https://gitlab.freedesktop.org/jwrdegoede/plymouth/-/archive/%{commit}/
#Source0: https://gitlab.freedesktop.org/plymouth/plymouth/-/archive/%%{commit}/%%{name}-%%{shortcommit}.tar.gz
Source2: charge.plymouth
Patch10001: 0001-ply-utils-Reintroduce-ply_string_has_prefix-helper.patch
Patch10002: 0002-ply-device-manager-Treat-SimpleDRM-drm-devices-as-fb.patch
Patch10003: 0003-ply-device-manager-Move-verify_drm_device-higher-up-.patch
Patch10004: 0004-ply-device-manager-Remove-unnecessary-subsystem-NULL.patch
Patch10005: 0005-ply-device-manager-verify_add_or_change-Move-local_c.patch
Patch10006: 0006-ply-device-manager-verify_add_or_change-Move-local_c.patch
Patch: 0001-ply-utils-Reintroduce-ply_string_has_prefix-helper.patch
Patch: 0002-ply-device-manager-Treat-SimpleDRM-drm-devices-as-fb.patch
Patch: 0003-ply-device-manager-Move-verify_drm_device-higher-up-.patch
Patch: 0004-ply-device-manager-Remove-unnecessary-subsystem-NULL.patch
Patch: 0005-ply-device-manager-verify_add_or_change-Move-local_c.patch
Patch: 0006-ply-device-manager-verify_add_or_change-Move-local_c.patch
# Upstream has bumped the soname because some obscure symbols were dropped,
# but we really do not want to change soname in Fedora during a cycle.
# The only libply* user in Fedora outside this pkg is plymouth-theme-breeze
# and that does not need the removed symbols.
Patch6660001: 0001-Revert-configure-bump-so-name.patch
Patch: 0001-Revert-configure-bump-so-name.patch
Patch9999001: ship-label-plugin-in-initrd.patch
# Only replay scrollback buffer on VT, not serial console
# https://bugzilla.redhat.com/show_bug.cgi?id=2032540
Patch: 0001-details-Don-t-replay-boot-buffer-on-serial-consoles.patch
Patch: ship-label-plugin-in-initrd.patch
BuildRequires: make
BuildRequires: gcc libtool git
@ -410,7 +414,11 @@ fi
%changelog
* Wed Nov 16 2022 Ray Strode <rstrode@redhat.com> - 0.9.5-6.20210331git%(c=%{commit}; echo ${c:0:7})
* Fri Jul 14 2023 Ray Strode <rstrode@redhat.com> - 0.9.5-7.20210331git1ea1020
- Only replay scrollback buffer on VT, not serial console
Resolves: #2032540
* Wed Nov 16 2022 Ray Strode <rstrode@redhat.com> - 0.9.5-6.20210331git1ea1020
- Backport simpledrm patches from upstream
Resolves: #2104910