refactor(git): rework module around clearer Status and Repo split

lua/git/diff.lua

@@ -4,6 +4,14 @@ local util = require("git.util")
 
 local M = {}
 
+---@class ow.Git.Diff.Side
+---@field buf integer
+---@field name string?
+
+---@class ow.Git.Diff.Pair
+---@field left ow.Git.Diff.Side
+---@field right ow.Git.Diff.Side
+
 ---@param win integer
 ---@param enabled boolean
 function M.set_diff(win, enabled)
@@ -28,7 +36,7 @@ end
 
 ---@param left_win integer
 ---@param right_win integer
----@param pair ow.Git.DiffPair
+---@param pair ow.Git.Diff.Pair
 function M.update_pair(left_win, right_win, pair)
     M.set_diff(left_win, false)
     M.set_diff(right_win, false)
@@ -58,11 +66,11 @@ local function place_pair(buf_a, buf_b, a_left, vertical)
     end
 end
 
----@param opts ow.Git.SplitOpts
+---@param opts ow.Git.Diff.SplitOpts
 ---@param buf integer
 ---@param rev ow.Git.Revision
 local function uri_split(opts, buf, rev)
-    local r = repo.find(buf)
+    local r = repo.resolve(buf)
     if not r then
         util.warning("git URI buffer has no worktree")
         return
@@ -127,11 +135,11 @@ local function uri_split(opts, buf, rev)
     place_pair(buf, object.buf_for(r, other_rev, content), left, opts.vertical)
 end
 
----@class ow.Git.SplitOpts
+---@class ow.Git.Diff.SplitOpts
 ---@field rev string?
 ---@field vertical boolean
 
----@param opts ow.Git.SplitOpts
+---@param opts ow.Git.Diff.SplitOpts
 function M.split(opts)
     local cur_buf = vim.api.nvim_get_current_buf()
     local cur_path = vim.api.nvim_buf_get_name(cur_buf)