1 files changed, 65 insertions, 1 deletions
diff --git a/lua/simenandre/plugins/oil.lua b/lua/simenandre/plugins/oil.lua
index 37e8f94..dff5e1e 100644
--- a/lua/simenandre/plugins/oil.lua
+++ b/lua/simenandre/plugins/oil.lua
@@ -1,3 +1,52 @@
+-- helper function to parse output
+local function parse_output(proc)
+  local result = proc:wait()
+  local ret = {}
+  if result.code == 0 then
+    for line in vim.gsplit(result.stdout, "\n", { plain = true, trimempty = true }) do
+      -- Remove trailing slash
+      line = line:gsub("/$", "")
+      ret[line] = true
+    end
+  end
+  return ret
+end
+
+-- build git status cache
+local function new_git_status()
+  return setmetatable({}, {
+    __index = function(self, key)
+      local ignore_proc = vim.system(
+        { "git", "ls-files", "--ignored", "--exclude-standard", "--others", "--directory" },
+        {
+          cwd = key,
+          text = true,
+        }
+      )
+      local tracked_proc = vim.system({ "git", "ls-tree", "HEAD", "--name-only" }, {
+        cwd = key,
+        text = true,
+      })
+      local ret = {
+        ignored = parse_output(ignore_proc),
+        tracked = parse_output(tracked_proc),
+      }
+
+      rawset(self, key, ret)
+      return ret
+    end,
+  })
+end
+local git_status = new_git_status()
+
+-- Clear git status cache on refresh
+local refresh = require("oil.actions").refresh
+local orig_refresh = refresh.callback
+refresh.callback = function(...)
+  git_status = new_git_status()
+  orig_refresh(...)
+end
+
 return {
   "stevearc/oil.nvim",
   opts = {},
@@ -10,9 +59,24 @@ return {
         ["<C-h>"] = false,
         ["<M-h>"] = "actions.select_split",
       },
+
       watch_for_changes = true,
       view_options = {
-        show_hidden = true,
+        is_hidden_file = function(name, bufnr)
+          local dir = require("oil").get_current_dir(bufnr)
+          local is_dotfile = vim.startswith(name, ".") and name ~= ".."
+          -- if no local directory (e.g. for ssh connections), just hide dotfiles
+          if not dir then
+            return is_dotfile
+          end
+          -- dotfiles are considered hidden unless tracked
+          if is_dotfile then
+            return not git_status[dir].tracked[name]
+          else
+            -- Check if file is gitignored
+            return git_status[dir].ignored[name]
+          end
+        end,
       },
     })