refactor: add vcs_id and vcs_content fields to Buffer

build.zig

@@ -634,7 +634,6 @@ pub fn build_exe(
             .{ .name = "Buffer", .module = Buffer_mod },
             .{ .name = "keybind", .module = keybind_mod },
             .{ .name = "shell", .module = shell_mod },
-            .{ .name = "git", .module = git_mod },
             .{ .name = "ripgrep", .module = ripgrep_mod },
             .{ .name = "theme", .module = themes_dep.module("theme") },
             .{ .name = "themes", .module = themes_dep.module("themes") },

src/buffer/Buffer.zig

@@ -47,6 +47,8 @@ ephemeral: bool = false,
 auto_save: bool = false,
 meta: ?[]const u8 = null,
 lsp_version: usize = 1,
+vcs_id: ?[]const u8 = null,
+vcs_content: ?[]const u8 = null,
 
 undo_head: ?*UndoNode = null,
 redo_head: ?*UndoNode = null,
@@ -1191,6 +1193,8 @@ pub fn create(allocator: Allocator) error{OutOfMemory}!*Self {
 }
 
 pub fn deinit(self: *Self) void {
+    if (self.vcs_content) |buf| self.external_allocator.free(buf);
+    if (self.vcs_id) |buf| self.external_allocator.free(buf);
     if (self.meta) |buf| self.external_allocator.free(buf);
     if (self.file_buf) |buf| self.external_allocator.free(buf);
     if (self.leaves_buf) |buf| self.external_allocator.free(buf);

src/git.zig

@@ -268,6 +268,32 @@ pub fn new_or_modified_files(context_: usize) Error!void {
     }.result, exit_null(tag));
 }
 
+pub fn rev_parse(context_: usize, rev: []const u8, file_path: []const u8) Error!void {
+    const tag = @src().fn_name;
+    var arg: std.Io.Writer.Allocating = .init(allocator);
+    defer arg.deinit();
+    if (file_path.len == 0)
+        arg.writer.print("{s}", .{rev})
+    else
+        arg.writer.print("{s}:{s}", .{ rev, file_path });
+    try git(context_, .{ "rev-parse", arg.written() }, struct {
+        fn result(context: usize, parent: tp.pid_ref, output: []const u8) void {
+            var it = std.mem.splitScalar(u8, output, '\n');
+            while (it.next()) |value| if (value.len > 0)
+                parent.send(.{ module_name, context, tag, output }) catch {};
+        }
+    }.result, exit_null_on_error(tag));
+}
+
+pub fn cat_file(context_: usize, object: []const u8) Error!void {
+    const tag = @src().fn_name;
+    try git(context_, .{ "cat-file", "-p", object }, struct {
+        fn result(context: usize, parent: tp.pid_ref, output: []const u8) void {
+            parent.send(.{ module_name, context, tag, output }) catch {};
+        }
+    }.result, exit_null_on_error(tag));
+}
+
 fn git_line_output(context_: usize, comptime tag: []const u8, cmd: anytype) Error!void {
     try git_err(context_, cmd, struct {
         fn result(context: usize, parent: tp.pid_ref, output: []const u8) void {

src/tui/editor.zig

@@ -1847,7 +1847,7 @@ pub const Editor = struct {
     }
 
     fn send_editor_update(self: *const Self, old_root: ?Buffer.Root, new_root: ?Buffer.Root, eol_mode: Buffer.EolMode) !void {
-        _ = try self.handlers.msg(.{ "E", "update", token_from(new_root), token_from(old_root), @intFromEnum(eol_mode) });
+        _ = try self.handlers.msg(.{ "E", "update" });
         if (self.buffer) |buffer| if (self.syntax) |_| if (self.file_path) |file_path| if (old_root != null and new_root != null)
             project_manager.did_change(file_path, buffer.lsp_version, try text_from_root(new_root, eol_mode), try text_from_root(old_root, eol_mode), eol_mode) catch {};
         if (self.buffer) |b| if (b.is_auto_save() and !b.is_ephemeral())

src/tui/editor_gutter.zig

@@ -79,7 +79,7 @@ fn diff_symbols_clear(self: *Self) void {
 }
 
 pub fn handle_event(self: *Self, _: tp.pid_ref, m: tp.message) tp.result {
-    if (try m.match(.{ "E", "update", tp.more }))
+    if (try m.match(.{ "E", "update" }))
         return self.diff_update() catch |e| return tp.exit_error(e, @errorReturnTrace());
     if (try m.match(.{ "E", "view", tp.extract(&self.lines), tp.extract(&self.view_rows), tp.extract(&self.view_top) }))
         return self.update_width();