improve highlight

nvim/.config/nvim/lua/romanzy/custom/mini_files_git.lua

@@ -1,6 +1,4 @@
--- git highlighting for the mini.files
--- unfortunately this is a mountain of code...
-
+-- a module for git highlighting for the mini.files
 local M = {}
 
 local uv = vim.uv or vim.loop
@@ -38,6 +36,9 @@ local function is_conflict(status)
 end
 
 local function status_priority(status)
+    -- Folder aggregation follows the Zed-inspired order create < edit <
+    -- delete. `subtree_status()` uses the greatest priority, so deletion
+    -- must outrank every create or edit status.
     if #status < 2 then
         return 0
     end
@@ -55,20 +56,17 @@ local function status_priority(status)
     local index_status = status:sub(1, 1)
     local worktree_status = status:sub(2, 2)
 
-    if index_status == "M" then
-        return 7
-    end
     if index_status == "D" or worktree_status == "D" then
-        return 5
+        return 4
     end
     if index_status == "A" then
-        return 4
+        return 2
     end
     if index_status == "R" or index_status == "C" then
         return 3
     end
-    if worktree_status == "M" then
-        return 6
+    if index_status == "M" or worktree_status == "M" then
+        return 3
     end
 
     return 0
@@ -305,9 +303,17 @@ function M.filter(fs_entry)
     return fs_entry.name ~= ".git"
 end
 
-function M.highlight(fs_entry)
+local function get_entry_status(fs_entry)
     local data = get_status_data(fs_entry)
-    local status = data == nil and nil or lookup_status(data, fs_entry)
+    if data == nil then
+        return nil
+    end
+
+    return lookup_status(data, fs_entry)
+end
+
+function M.highlight(fs_entry)
+    local status = get_entry_status(fs_entry)
     return status_highlight(status)
         or (fs_entry.fs_type == "directory" and "MiniFilesDirectory" or "MiniFilesFile")
 end