chore: upgrade libghostty and preserve terminal behavior (#3906)

1 files changed, 9 insertions, 4 deletions

diff --git a/vendor/libghostty-vt/src/os/kernel_info.zig b/vendor/libghostty-vt/src/os/kernel_info.zig
index e57cc304..60e6b49f 100644
--- a/vendor/libghostty-vt/src/os/kernel_info.zig
+++ b/vendor/libghostty-vt/src/os/kernel_info.zig
@@ -1,15 +1,20 @@
 const std = @import("std");
 const builtin = @import("builtin");
+const global = @import("../global.zig");
 
 pub fn getKernelInfo(alloc: std.mem.Allocator) ?[]const u8 {
     if (comptime builtin.os.tag != .linux) return null;
     const path = "/proc/sys/kernel/osrelease";
-    var file = std.fs.openFileAbsolute(path, .{}) catch return null;
-    defer file.close();
+    var file = std.Io.Dir.openFileAbsolute(global.io(), path, .{}) catch return null;
+    defer file.close(global.io());
 
     // 128 bytes should be enough to hold the kernel information
-    const kernel_info = file.readToEndAlloc(alloc, 128) catch return null;
-    defer alloc.free(kernel_info);
+    var kernel_info_buf: [128]u8 = undefined;
+    const kernel_info = kernel_info_buf[0 .. file.readPositionalAll(
+        global.io(),
+        &kernel_info_buf,
+        0,
+    ) catch return null];
     return alloc.dupe(u8, std.mem.trim(u8, kernel_info, &std.ascii.whitespace)) catch return null;
 }