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config: allow waylandsessions and xsessions to be set to null

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Makes both fields optional (?[]const u8), consistent with other nullable
config fields such as xinitrc. Setting either to null in config.ini cleanly
skips crawling for that session type with no side effects.
This commit is contained in:
Jackson Delahunt 2026-03-29 14:51:15 +11:00
commit 2874fb4abd
3 changed files with 25 additions and 19 deletions
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2
res/config.ini
View file

@ -363,6 +363,7 @@ vi_mode = false
# Wayland desktop environments
# You can specify multiple directories,
# e.g. $PREFIX_DIRECTORY/share/wayland-sessions:$PREFIX_DIRECTORY/local/share/wayland-sessions
# If null, Wayland sessions will not be shown
waylandsessions = $PREFIX_DIRECTORY/share/wayland-sessions
# Xorg server command
@ -384,6 +385,7 @@ xinitrc = ~/.xinitrc
# Xorg desktop environments
# You can specify multiple directories,
# e.g. $PREFIX_DIRECTORY/share/xsessions:$PREFIX_DIRECTORY/local/share/xsessions
# If null, X11 sessions will not be shown
xsessions = $PREFIX_DIRECTORY/share/xsessions
# Custom Commands and Labels:

4
src/config/Config.zig
View file

@ -92,9 +92,9 @@ start_cmd: ?[]const u8 = null,
text_in_center: bool = false,
vi_default_mode: ViMode = .normal,
vi_mode: bool = false,
waylandsessions: []const u8 = build_options.prefix_directory ++ "/share/wayland-sessions",
waylandsessions: ?[]const u8 = build_options.prefix_directory ++ "/share/wayland-sessions",
x_cmd: []const u8 = build_options.prefix_directory ++ "/bin/X",
x_vt: ?u8 = null,
xauth_cmd: []const u8 = build_options.prefix_directory ++ "/bin/xauth",
xinitrc: ?[]const u8 = "~/.xinitrc",
xsessions: []const u8 = build_options.prefix_directory ++ "/share/xsessions",
xsessions: ?[]const u8 = build_options.prefix_directory ++ "/share/xsessions",

38
src/main.zig
View file

@ -769,32 +769,36 @@ pub fn main() !void {
var has_crawl_error = false;
// Crawl session directories (Wayland, X11 and custom respectively)
var wayland_session_dirs = std.mem.splitScalar(u8, state.config.waylandsessions, ':');
while (wayland_session_dirs.next()) |dir| {
crawl(&state.session, state.lang, dir, .wayland) catch |err| {
has_crawl_error = true;
try state.log_file.err(
"sys",
"failed to crawl wayland session directory '{s}': {s}",
.{ dir, @errorName(err) },
);
};
}
if (build_options.enable_x11_support) {
var x_session_dirs = std.mem.splitScalar(u8, state.config.xsessions, ':');
while (x_session_dirs.next()) |dir| {
crawl(&state.session, state.lang, dir, .x11) catch |err| {
if (state.config.waylandsessions) |waylandsessions| {
var wayland_session_dirs = std.mem.splitScalar(u8, waylandsessions, ':');
while (wayland_session_dirs.next()) |dir| {
crawl(&state.session, state.lang, dir, .wayland) catch |err| {
has_crawl_error = true;
try state.log_file.err(
"sys",
"failed to crawl x11 session directory '{s}': {s}",
"failed to crawl wayland session directory '{s}': {s}",
.{ dir, @errorName(err) },
);
};
}
}
if (build_options.enable_x11_support) {
if (state.config.xsessions) |xsessions| {
var x_session_dirs = std.mem.splitScalar(u8, xsessions, ':');
while (x_session_dirs.next()) |dir| {
crawl(&state.session, state.lang, dir, .x11) catch |err| {
has_crawl_error = true;
try state.log_file.err(
"sys",
"failed to crawl x11 session directory '{s}': {s}",
.{ dir, @errorName(err) },
);
};
}
}
}
var custom_session_dirs = std.mem.splitScalar(u8, state.config.custom_sessions, ':');
while (custom_session_dirs.next()) |dir| {
crawl(&state.session, state.lang, dir, .custom) catch |err| {