Use absolute file path

.gitignore

@@ -1,2 +1,3 @@
 .aider*
 tags
+.env

lua/aider.lua

@@ -1,93 +1,92 @@
-local helpers = require('helpers')
+local helpers = require("helpers")
 local M = {}
 
 M.aider_buf = nil
 
 function M.AiderBackground(args, message)
-  helpers.showProcessingCue()
-  local command = helpers.build_background_command(args, message)
-  local handle = vim.loop.spawn('bash', {
-    args = {'-c', command}
-  }, NotifyOnExit)
+	helpers.showProcessingCue()
+	local command = helpers.build_background_command(args, message)
+	local handle = vim.loop.spawn("bash", {
+		args = { "-c", command },
+	}, NotifyOnExit)
 
-  vim.notify("Aider started " .. (args or ''))
+	vim.notify("Aider started " .. (args or ""))
 end
 
-
 function OnExit(code, signal)
-  if M.aider_buf then
-    vim.api.nvim_command('bd! ' .. M.aider_buf)
-    M.aider_buf = nil
-  end
+	if M.aider_buf then
+		vim.api.nvim_command("bd! " .. M.aider_buf)
+		M.aider_buf = nil
+	end
 end
 
 function M.AiderOpen(args, window_type)
-  window_type = window_type or 'vsplit'
-  if M.aider_buf and vim.api.nvim_buf_is_valid(M.aider_buf) then
-    helpers.open_buffer_in_new_window(window_type, M.aider_buf)
-  else
-    command = 'aider ' .. (args or '')
-    helpers.open_window(window_type)
-    command = helpers.add_buffers_to_command(command)
-    M.aider_job_id = vim.fn.termopen(command, {on_exit = OnExit})
-    M.aider_buf = vim.api.nvim_get_current_buf()
-  end
+	window_type = window_type or "vsplit"
+	if M.aider_buf and vim.api.nvim_buf_is_valid(M.aider_buf) then
+		helpers.open_buffer_in_new_window(window_type, M.aider_buf)
+	else
+		command = "aider " .. (args or "")
+		helpers.open_window(window_type)
+		command = helpers.add_buffers_to_command(command)
+		M.aider_job_id = vim.fn.termopen(command, { on_exit = OnExit })
+		M.aider_buf = vim.api.nvim_get_current_buf()
+	end
 end
 
 function M.AiderOnBufferOpen(bufnr)
-  if not vim.g.aider_buffer_sync or vim.g.aider_buffer_sync == 0 then
-    return
-  end
-  bufnr = tonumber(bufnr)
-  local bufname = vim.api.nvim_buf_get_name(bufnr)
-  local buftype = vim.fn.getbufvar(bufnr, '&buftype') 
-  if not bufname or bufname:match('^term://') or buftype == 'terminal' then
-    return
-  end
-  local relative_filename = vim.fn.fnamemodify(bufname, ':~:.')
-  if M.aider_buf and vim.api.nvim_buf_is_valid(M.aider_buf) then
-    local line_to_add = '/add ' .. relative_filename
-    vim.fn.chansend(M.aider_job_id, line_to_add .. '\n')
-  end
+	if not vim.g.aider_buffer_sync or vim.g.aider_buffer_sync == 0 then
+		return
+	end
+	bufnr = tonumber(bufnr)
+	local bufname = vim.api.nvim_buf_get_name(bufnr)
+	local buftype = vim.fn.getbufvar(bufnr, "&buftype")
+	if not bufname or bufname:match("^term://") or buftype == "terminal" then
+		return
+	end
+	local absolute_filename = vim.fn.expand(bufname)
+	if M.aider_buf and vim.api.nvim_buf_is_valid(M.aider_buf) then
+		local line_to_add = "/add " .. absolute_filename
+		vim.fn.chansend(M.aider_job_id, line_to_add .. "\n")
+	end
 end
 
 function M.AiderOnBufferClose(bufnr)
-  if not vim.g.aider_buffer_sync or vim.g.aider_buffer_sync == 0 then
-    return
-  end
-  bufnr = tonumber(bufnr)
-  local bufname = vim.api.nvim_buf_get_name(bufnr)
-  if not bufname or bufname:match('^term://') then
-    return
-  end
-  local relative_filename = vim.fn.fnamemodify(bufname, ':~:.')
-  if M.aider_buf and vim.api.nvim_buf_is_valid(M.aider_buf) then
-    local line_to_drop = '/drop ' .. relative_filename
-    vim.fn.chansend(M.aider_job_id, line_to_drop .. '\n')
-  end
+	if not vim.g.aider_buffer_sync or vim.g.aider_buffer_sync == 0 then
+		return
+	end
+	bufnr = tonumber(bufnr)
+	local bufname = vim.api.nvim_buf_get_name(bufnr)
+	if not bufname or bufname:match("^term://") then
+		return
+	end
+	local absolute_filename = vim.fn.expand(bufname)
+	if M.aider_buf and vim.api.nvim_buf_is_valid(M.aider_buf) then
+		local line_to_drop = "/drop " .. absolute_filename
+		vim.fn.chansend(M.aider_job_id, line_to_drop .. "\n")
+	end
 end
 
 function M.setup(config)
-  M.config = config or {}
-  M.config.auto_manage_context = M.config.auto_manage_context or true
-  M.config.default_bindings = M.config.default_bindings or true
+	M.config = config or {}
+	M.config.auto_manage_context = M.config.auto_manage_context or true
+	M.config.default_bindings = M.config.default_bindings or true
 
-  vim.g.aider_buffer_sync = M.config.auto_manage_context
+	vim.g.aider_buffer_sync = M.config.auto_manage_context
 
-  if M.config.auto_manage_context then
-    vim.api.nvim_command('autocmd BufReadPost * lua AiderOnBufferOpen(vim.fn.expand("<abuf>"))')
-    vim.api.nvim_command('autocmd BufDelete * lua AiderOnBufferClose(vim.fn.expand("<abuf>"))')
-    _G.AiderOnBufferOpen = M.AiderOnBufferOpen
-    _G.AiderOnBufferClose = M.AiderOnBufferClose
-  end
+	if M.config.auto_manage_context then
+		vim.api.nvim_command('autocmd BufReadPost * lua AiderOnBufferOpen(vim.fn.expand("<abuf>"))')
+		vim.api.nvim_command('autocmd BufDelete * lua AiderOnBufferClose(vim.fn.expand("<abuf>"))')
+		_G.AiderOnBufferOpen = M.AiderOnBufferOpen
+		_G.AiderOnBufferClose = M.AiderOnBufferClose
+	end
 
-  _G.AiderOpen = M.AiderOpen
-  _G.AiderBackground = M.AiderBackground
-  _G.aider_background_status = 'idle'
+	_G.AiderOpen = M.AiderOpen
+	_G.AiderBackground = M.AiderBackground
+	_G.aider_background_status = "idle"
 
-  if M.config.default_bindings then
-    require('keybindings')
-  end
+	if M.config.default_bindings then
+		require("keybindings")
+	end
 end
 
 return M