feat(git): per-key cache invalidation and optional submodule tracking

lua/git/statusline.lua

@@ -34,6 +34,15 @@ local function clear(buf)
     vim.b[buf].git_status_string = nil
 end
 
+---@param buf integer
+---@param r ow.Git.Repo
+---@param rel string
+local function set_status(buf, r, rel)
+    local entry = r.status.entries[rel]
+    vim.b[buf].git_status = { head = r:head(), entry = entry }
+    vim.b[buf].git_status_string = render(entry)
+end
+
 ---@param buf integer
 ---@param r ow.Git.Repo?
 local function update_buf(buf, r)
@@ -52,18 +61,25 @@ local function update_buf(buf, r)
     if not rel then
         return clear(buf)
     end
-    local entry = r.status.entries[rel]
-    vim.b[buf].git_status = { head = r:head(), entry = entry }
-    vim.b[buf].git_status_string = render(entry)
+    set_status(buf, r, rel)
 end
 
 repo.on("refresh", function(r)
     local any_visible = false
     for buf in pairs(r.buffers) do
         if vim.api.nvim_buf_is_loaded(buf) then
-            update_buf(buf, r)
-            if not any_visible and #vim.fn.win_findbuf(buf) > 0 then
-                any_visible = true
+            local name = vim.api.nvim_buf_get_name(buf)
+            if name ~= "" and not util.is_uri(name) then
+                local rel = vim.fs.relpath(r.worktree, vim.fn.resolve(name))
+                if rel then
+                    set_status(buf, r, rel)
+                    if
+                        not any_visible
+                        and #vim.fn.win_findbuf(buf) > 0
+                    then
+                        any_visible = true
+                    end
+                end
             end
         end
     end