feat: add retain_symlinks option to enable writing files through links (default: true)

src/buffer/Buffer.zig

@@ -38,6 +38,8 @@ pub const BlameLine = struct {
     author_stamp: usize,
 };
 
+pub var retain_symlinks: bool = true;
+
 arena: std.heap.ArenaAllocator,
 allocator: Allocator,
 external_allocator: Allocator,
@@ -1599,7 +1601,14 @@ pub const StoreToFileError = error{
     WriteFailed,
 };
 
-pub fn store_to_existing_file_const(self: *const Self, file_path: []const u8) StoreToFileError!void {
+pub fn store_to_existing_file_const(self: *const Self, file_path_: []const u8) StoreToFileError!void {
+    var file_path = file_path_;
+    var link_buf: [std.fs.max_path_bytes]u8 = undefined;
+    if (retain_symlinks) blk: {
+        const link = cwd().readLink(file_path, &link_buf) catch break :blk;
+        file_path = link;
+    }
+
     var atomic = blk: {
         var write_buffer: [4096]u8 = undefined;
         const stat = cwd().statFile(file_path) catch

src/config.zig

@@ -89,6 +89,8 @@ keybind_mode: KeybindMode = .normal,
 dropdown_keybinds: DropdownKeybindMode = .standard,
 dropdown_limit: usize = 12,
 
+retain_symlinks: bool = true,
+
 include_files: []const u8 = "",
 
 const default_actions = [_]IdleAction{.highlight_references};

src/tui/tui.zig

@@ -8,6 +8,7 @@ const root = @import("soft_root").root;
 const tracy = @import("tracy");
 const builtin = @import("builtin");
 const file_link = @import("file_link");
+const Buffer = @import("Buffer");
 
 pub const renderer = @import("renderer");
 const input = @import("input");
@@ -154,6 +155,8 @@ fn init(allocator: Allocator) InitError!*Self {
 
     var conf, const conf_bufs = root.read_config(@import("config"), allocator);
 
+    Buffer.retain_symlinks = conf.retain_symlinks;
+
     if (@hasDecl(renderer, "install_crash_handler") and conf.start_debugger_on_crash)
         renderer.jit_debugger_enabled = true;