Add subscription request on first startup.

Author: Gaspar Chilingarov

README.md

@@ -5,6 +5,17 @@ Highly opinionated setup of plugins to start programming in Elixir in minutes.
 Aim of the project is to give reasonable preset of defaults for Elixir-based development to
 avoid laborious task of finding and tuning of plugins/themes.
 
+## Let's get in touch
+
+I’m a sucker for feedback. What do you think of this plugin after using it?
+Tell me! I have when things do nto work 'out-of-box' and eager to fix it!
+
+Please take 1 minute and subscribe to [mailing list](http://gasparchilingarov.com/vim-ide-updates/) to receive updates about
+the project. 
+
+You can contact me on [twitter](http://twitter.com/gasparch) and by email
+gasparch at gmail dot com.
+
 ## Features
  * Navigation
   * Jump to module/function definitions
@@ -65,7 +76,7 @@ cd ~/.vim/bundle/vim-ide-elixir
 ./install.sh
 ```
 
-Follow instructions of install script.
+Follow instructions of install script to complete install.
 
 **Manually install**
 
@@ -285,17 +296,3 @@ Following commands and shortcuts are available:
  * `(`, `)` jumps back/forward to next function call/return (skips messages)
  * `{`, `}` jumps back/forward over repeated function calls
  * `F3` opens arguments fold; also when cursor is on function call/ret line
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autoload/vimide.vim

@@ -17,8 +17,8 @@ function! vimide#getBundlePath() " {{{
 endfunction " }}}
 
 function! vimide#setDefaults() " {{{
-  call s:setGlobal('g:vimide_update_check_period', 24*60*60)
-  call s:setGlobal('g:vimide_update_channel', '') " valid values are production/beta
+  call s:setGlobal('g:vimide_update_check_period', 24*60*60) " check updates once a day
+  call s:setGlobal('g:vimide_update_channel', '') " valid values are production/beta/dev
 
   call s:setGlobal('g:vimide_global_enable', 0)
   call s:setGlobal('g:vimide_manage_indents', 1)
@@ -75,6 +75,7 @@ function! vimide#boot(setGlobal) " {{{
   " run update check just once on editor start
   if !s:UPDATE_CHECK_FINISHED
     call s:checkUpdates()
+    call s:checkSubscription()
     let s:UPDATE_CHECK_FINISHED = 1
   endif
 
@@ -627,3 +628,23 @@ function! s:checkUpdates() " {{{
   echo updateOutput
   call confirm("Restart Vim for updated version")
 endfunction " }}}
+
+function! s:checkSubscription() " {{{
+  let tsFileName = vimide#getRootPath() . "/.seen_subscribe_question"
+
+  let seenSubscribeCheck = file_readable(tsFileName)
+  if seenSubscribeCheck | return | endif
+
+  let msg = "Hi! Thank you for trying out Vim-IDE-Elixir.\n" .
+        \ "Your support is essential for project to stay alive and develop, \n" .
+        \ "so please take your time and subscribe to mailing list here: \n".
+        \ "http://gasparchilingarov.com/vim-ide-updates/ \n".
+        \ "\n" .
+        \ "Also send me your feedback in a few days after you use this plugin, please! \n" .
+        \ "\n" .
+        \ "This is one-time message, you can find subscription URL later in README.md."
+
+  let answer = confirm(msg)
+
+  call writefile([''], tsFileName, "w")
+endfunction " }}}