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

1 files changed, 69 insertions, 0 deletions

diff --git a/vendor/libghostty-vt/src/os/edit.zig b/vendor/libghostty-vt/src/os/edit.zig
new file mode 100644
index 00000000..3e14bcaa
--- /dev/null
+++ b/vendor/libghostty-vt/src/os/edit.zig
@@ -0,0 +1,69 @@
+const std = @import("std");
+
+const global = @import("../global.zig");
+const ShellEscapeWriter = @import("shell.zig").ShellEscapeWriter;
+
+const log = std.log.scoped(.os_edit);
+
+const Options = struct {
+    default_editor: enum {
+        /// Return an error if $EDITOR or $VISUAL is not defined.
+        failure,
+        /// Default to "vi" if $EDITOR or $VISUAL is not defined.
+        vi,
+        /// Default to "nano" if $EDITOR or $VISUAL is not defined.
+        nano,
+    } = .vi,
+
+    pub const default: Options = .{};
+};
+
+pub const Error = error{NoEditorConfigured};
+
+pub fn getConfigEditCommand(alloc: std.mem.Allocator, path: []const u8, options: Options) (Error || std.Io.Writer.Error || std.mem.Allocator.Error)![:0]const u8 {
+    const editor: []const u8 = editor: {
+        // VISUAL vs. EDITOR: https://unix.stackexchange.com/questions/4859/visual-vs-editor-what-s-the-difference
+        v: {
+            if (global.environ().containsUnempty(alloc, "VISUAL") catch break :v) {
+                break :editor global.environ().getAlloc(alloc, "VISUAL") catch break :v;
+            }
+        }
+
+        e: {
+            if (global.environ().containsUnempty(alloc, "EDITOR") catch break :e) {
+                break :editor global.environ().getAlloc(alloc, "EDITOR") catch break :e;
+            }
+        }
+
+        switch (options.default_editor) {
+            .failure => {
+                log.warn("$EDITOR or $VISUAL must be set to open config in a new window", .{});
+                return error.NoEditorConfigured;
+            },
+            .vi => {
+                log.warn("$EDITOR or $VISUAL not set, falling back to vi", .{});
+                break :editor try alloc.dupe(u8, "vi");
+            },
+            .nano => {
+                log.warn("$EDITOR or $VISUAL not set, falling back to nano", .{});
+                break :editor try alloc.dupe(u8, "nano");
+            },
+        }
+    };
+    defer alloc.free(editor);
+
+    var buffer: std.Io.Writer.Allocating = .init(alloc);
+    defer buffer.deinit();
+    const writer = &buffer.writer;
+
+    try writer.writeAll(editor);
+    try writer.writeByte(' ');
+    {
+        var sh: ShellEscapeWriter = .init(writer);
+        try sh.writer.writeAll(path);
+        try sh.writer.flush();
+    }
+    try writer.flush();
+
+    return try buffer.toOwnedSliceSentinel(0);
+}