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

plugins/nvim-tree.lua

@@ -41,29 +41,88 @@ end)
 ---@class nvim_tree.api.decorator.UserDecorator
 local Decorator = require("nvim-tree.api").Decorator
 
----@class GitIgnoreDecorator: nvim_tree.api.decorator.UserDecorator
-local GitIgnoreDecorator = Decorator:extend()
+local repo = require("git.repo")
 
-function GitIgnoreDecorator:new()
+repo.on("refresh", function()
+    require("nvim-tree.api").tree.reload()
+end)
+
+do
+    local events = require("nvim-tree.api").events
+    local function on_change(data)
+        if not data then
+            return
+        end
+        local seen = {}
+        local function fire(path)
+            if not path then
+                return
+            end
+            local r = repo.find(path)
+            if r and not seen[r] then
+                seen[r] = true
+                r:refresh()
+            end
+        end
+        fire(data.fname)
+        fire(data.folder_name)
+        fire(data.old_name)
+        fire(data.new_name)
+    end
+    events.subscribe(events.Event.FileCreated, on_change)
+    events.subscribe(events.Event.FileRemoved, on_change)
+    events.subscribe(events.Event.FolderCreated, on_change)
+    events.subscribe(events.Event.FolderRemoved, on_change)
+    events.subscribe(events.Event.NodeRenamed, on_change)
+end
+
+---@class ow.GitDecorator: nvim_tree.api.Decorator
+local GitDecorator = Decorator:extend()
+
+function GitDecorator:new()
     self.enabled = true
+    self.icon_placement = "after"
     self.highlight_range = "name"
-    self.icon_placement = "none"
-    self.file_hl = "NvimTreeGitFileIgnoredHL"
-    self.folder_hl = "NvimTreeGitFolderIgnoredHL"
 end
 
 ---@param node Node
----@return string? highlight_group
-function GitIgnoreDecorator:highlight_group(node)
-    local status = node.git_status
-    if not status then
+---@return ow.Git.Status.Entry[]?
+local function entries_for(node)
+    local r = repo.find(node.absolute_path)
+    if not r then
         return
     end
+    local rel = vim.fs.relpath(r.worktree, node.absolute_path)
+    return rel and r.status.entries[rel]
+end
 
-    if status.file == "!!" then
-        return self.file_hl
-    elseif status.dir and status.dir.direct == "!!" then
-        return self.folder_hl
+---@param node Node
+---@return { str: string, hl: string[] }[]?
+function GitDecorator.icons(_, node)
+    local list = entries_for(node)
+    if not list then
+        return
+    end
+    local out = {}
+    for _, entry in ipairs(list) do
+        if entry.kind ~= "ignored" then
+            table.insert(out, { str = entry.char, hl = { entry.hl } })
+        end
+    end
+    return out
+end
+
+---@param node Node
+---@return string?
+function GitDecorator.highlight_group(_, node)
+    local list = entries_for(node)
+    if not list then
+        return
+    end
+    for _, entry in ipairs(list) do
+        if entry.kind == "ignored" then
+            return entry.hl
+        end
     end
 end
 
@@ -120,8 +179,7 @@ require("nvim-tree").setup({
         end,
         special_files = {},
         decorators = {
-            "Git",
-            GitIgnoreDecorator,
+            GitDecorator,
             "Open",
             "Modified",
             "Bookmark",
@@ -140,7 +198,6 @@ require("nvim-tree").setup({
             },
         },
         icons = {
-            git_placement = "after",
             diagnostics_placement = "signcolumn",
             bookmarks_placement = "after",
             symlink_arrow = " -> ",
@@ -157,15 +214,6 @@ require("nvim-tree").setup({
             },
             glyphs = {
                 modified = "*",
-                git = {
-                    unstaged = "M",
-                    staged = "M",
-                    unmerged = "!",
-                    renamed = "R",
-                    untracked = "?",
-                    deleted = "D",
-                    ignored = " ",
-                },
             },
         },
     },
@@ -186,7 +234,6 @@ require("nvim-tree").setup({
         enable = true,
     },
     filters = {
-        git_ignored = false,
         custom = { "^\\.git$" },
     },
     live_filter = {
@@ -219,7 +266,7 @@ require("nvim-tree").setup({
     },
     sync_root_with_cwd = true,
     git = {
-        show_on_open_dirs = false,
+        enable = false,
     },
 })