feat(#1837): add git.disable_for_dirs (#2239)

* feat(##1837): add git.disabled_dirs

* feat(#1837): add git.disable_for_dirs

* feat(#1837): note disable_for_dirs evaluation

Author: alex-courtis

doc/nvim-tree-lua.txt

@@ -458,6 +458,7 @@ applying configuration.
         ignore = true,
         show_on_dirs = true,
         show_on_open_dirs = true,
+        disable_for_dirs = {},
         timeout = 400,
       },
       modified = {
@@ -525,8 +526,7 @@ applying configuration.
           trash = true,
         },
       },
-      experimental = {
-      },
+      experimental = {},
       log = {
         enable = false,
         truncate = false,
@@ -734,6 +734,11 @@ Git integration with icons and colors.
     Only relevant when `git.show_on_dirs` is `true`.
       Type: `boolean`, Default: `true`
 
+    *nvim-tree.git.disable_for_dirs*
+    Disable git integration when git top-level matches these paths.
+    May be relative, evaluated via |fnamemodify| `":p"`
+      Type: `table`, Default: `{}`
+
     *nvim-tree.git.timeout*
     Kills the git process after some time if it takes too long.
     Git integration will be disabled after 10 git jobs exceed this timeout.

lua/nvim-tree.lua

@@ -492,6 +492,7 @@ local DEFAULT_OPTS = { -- BEGIN_DEFAULT_OPTS
     ignore = true,
     show_on_dirs = true,
     show_on_open_dirs = true,
+    disable_for_dirs = {},
     timeout = 400,
   },
   modified = {

lua/nvim-tree/git/init.lua

@@ -107,7 +107,16 @@ function M.get_project_root(cwd)
     return nil
   end
 
-  M.cwd_to_project_root[cwd] = git_utils.get_toplevel(cwd)
+  local toplevel = git_utils.get_toplevel(cwd)
+  for _, disabled_for_dir in ipairs(M.config.git.disable_for_dirs) do
+    local toplevel_norm = vim.fn.fnamemodify(toplevel, ":p")
+    local disabled_norm = vim.fn.fnamemodify(disabled_for_dir, ":p")
+    if toplevel_norm == disabled_norm then
+      return nil
+    end
+  end
+
+  M.cwd_to_project_root[cwd] = toplevel
   return M.cwd_to_project_root[cwd]
 end
 

lua/nvim-tree/git/utils.lua

@@ -3,6 +3,9 @@ local log = require "nvim-tree.log"
 
 local has_cygpath = vim.fn.executable "cygpath" == 1
 
+--- Retrieve the git toplevel directory
+--- @param cwd string path
+--- @return string|nil toplevel absolute path
 function M.get_toplevel(cwd)
   local profile = log.profile_start("git toplevel %s", cwd)