prompt for api key after first buffer window has opened, because MacVim hangs forever waiting for user input before opening a buffer.

plugin/wakatime.vim

@@ -39,6 +39,22 @@ let s:VERSION = '3.0.5'
         endif
     endif
 
+    " Set default action frequency in minutes
+    if !exists("g:wakatime_ActionFrequency")
+        let g:wakatime_ActionFrequency = 2
+    endif
+
+    " Globals
+    let s:plugin_directory = expand("<sfile>:p:h") . '/'
+    let s:config_file_exists = 0
+
+" }}}
+
+
+" Function Definitions {{{
+
+    function! s:SetupConfigFile()
+        if !s:config_file_exists
             " Create config file if does not exist
             if !filereadable(expand("$HOME/.wakatime.cfg"))
                 let key = input("[WakaTime] Enter your wakatime.com api key: ")
@@ -47,21 +63,9 @@ let s:VERSION = '3.0.5'
                     echo "[WakaTime] Setup complete! Visit http://wakatime.com to view your logged time."
                 endif
             endif
-
-    " Set default action frequency in minutes
-    if !exists("g:wakatime_ActionFrequency")
-        let g:wakatime_ActionFrequency = 2
+            let s:config_file_exists = 1
         endif
-
-    " Globals
-    let s:plugin_directory = expand("<sfile>:p:h") . '/'
-    let s:last_action = 0
-    let s:fresh = 1
-
-" }}}
-
-
-" Function Definitions {{{
+    endfunction
 
     function! s:GetCurrentFile()
         return expand("%:p")
@@ -105,7 +109,6 @@ let s:VERSION = '3.0.5'
     endfunction
     
     function! s:SetLastAction(time, last_update, targetFile)
-        let s:fresh = 0
         call writefile([substitute(printf('%d', a:time), ',', '.', ''), substitute(printf('%d', a:last_update), ',', '.', ''), a:targetFile], expand("$HOME/.wakatime.data"))
     endfunction
 
@@ -131,6 +134,7 @@ let s:VERSION = '3.0.5'
 " Event Handlers {{{
 
     function! s:normalAction()
+        call s:SetupConfigFile()
         let targetFile = s:GetCurrentFile()
         let now = localtime()
         let last = s:GetLastAction()