You can customize file visibility by using the is_hidden_file function within view_options. This recipe allows you to hide files that are ignored by git while ensuring that hidden files (dotfiles) that are actually tracked by git remain visible.
-- 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
require("oil").setup({
view_options = {
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,
},
})
