Do not cache options

There was never a technical reason for it anyway.

Closes https://github.com/mhinz/vim-startify/issues/409

autoload/startify.vim

@@ -97,14 +97,14 @@ function! startify#insane_in_the_membrane(on_vimenter) abort
         \ 'tick':      0,
         \ }
 
-  if s:show_special
-    call append('$', [s:padding_left .'[e]  <empty buffer>', ''])
+  if g:startify_enable_special
+    call append('$', [g:startify_padding_left .'[e]  <empty buffer>', ''])
   endif
   call s:register(line('$')-1, 'e', 'special', 'enew', '')
 
   let b:startify.entry_number = 0
   if filereadable('Session.vim')
-    call append('$', [s:padding_left .'[0]  '. getcwd() . s:sep .'Session.vim', ''])
+    call append('$', [g:startify_padding_left .'[0]  '. getcwd() . s:sep .'Session.vim', ''])
     call s:register(line('$')-1, '0', 'session',
           \ 'call startify#session_delete_buffers() | source', 'Session.vim')
     let b:startify.entry_number = 1
@@ -122,8 +122,8 @@ function! startify#insane_in_the_membrane(on_vimenter) abort
 
   silent $delete _
 
-  if s:show_special
-    call append('$', ['', s:padding_left .'[q]  <quit>'])
+  if g:startify_enable_special
+    call append('$', ['', g:startify_padding_left .'[q]  <quit>'])
     call s:register(line('$'), 'q', 'special', 'call s:close()', '')
   else
     " Don't overwrite the last regular entry, thus +1
@@ -134,7 +134,7 @@ function! startify#insane_in_the_membrane(on_vimenter) abort
   let b:startify.firstline = 2
   let b:startify.firstline += len(g:startify_header)
   " no special, no local Session.vim, but a section header
-  if !s:show_special && !exists('l:show_session') && has_key(lists[0], 'header')
+  if !g:startify_enable_special && !exists('l:show_session') && has_key(lists[0], 'header')
     let b:startify.firstline += len(lists[0].header) + 1
   endif
 
@@ -431,7 +431,7 @@ endfunction
 
 " Function: #pad {{{1
 function! startify#pad(lines) abort
-  return map(copy(a:lines), 's:padding_left . v:val')
+  return map(copy(a:lines), 'g:startify_padding_left . v:val')
 endfunction
 
 " Function: #center {{{1
@@ -464,11 +464,11 @@ function! s:get_lists() abort
     return lists
   else
     return [
-          \ { 'header': [s:padding_left .'MRU'],            'type': 'files' },
-          \ { 'header': [s:padding_left .'MRU '. getcwd()], 'type': 'dir' },
-          \ { 'header': [s:padding_left .'Sessions'],       'type': 'sessions' },
-          \ { 'header': [s:padding_left .'Bookmarks'],      'type': 'bookmarks' },
-          \ { 'header': [s:padding_left .'Commands'],       'type': 'commands' },
+          \ { 'header': [g:startify_padding_left .'MRU'],            'type': 'files' },
+          \ { 'header': [g:startify_padding_left .'MRU '. getcwd()], 'type': 'dir' },
+          \ { 'header': [g:startify_padding_left .'Sessions'],       'type': 'sessions' },
+          \ { 'header': [g:startify_padding_left .'Bookmarks'],      'type': 'bookmarks' },
+          \ { 'header': [g:startify_padding_left .'Commands'],       'type': 'commands' },
           \ ]
   endif
 endfunction
@@ -509,7 +509,7 @@ function! s:show_lists(lists) abort
         let path = get(entry, 'path', '')
         let type = get(entry, 'type', empty(path) ? 'special' : 'file')
         let index = s:get_index_as_string()
-        call append('$', s:padding_left .'['. index .']'. repeat(' ', (3 - strlen(index))) . entry.line)
+        call append('$', g:startify_padding_left .'['. index .']'. repeat(' ', (3 - strlen(index))) . entry.line)
         call s:register(line('$'), index, type, cmd, path)
       endfor
       call append('$', '')
@@ -556,7 +556,7 @@ function! s:display_by_path(path_prefix, path_format, use_env) abort
   let oldfiles = call(get(g:, 'startify_enable_unsafe') ? 's:filter_oldfiles_unsafe' : 's:filter_oldfiles',
         \ [a:path_prefix, a:path_format, a:use_env])
 
-  let entry_format = "s:padding_left .'['. index .']'. repeat(' ', (3 - strlen(index))) ."
+  let entry_format = "g:startify_padding_left .'['. index .']'. repeat(' ', (3 - strlen(index))) ."
   if exists('*StartifyEntryFormat')
     let entry_format .= StartifyEntryFormat()
   else
@@ -584,7 +584,7 @@ endfunction
 " Function: s:filter_oldfiles {{{1
 function! s:filter_oldfiles(path_prefix, path_format, use_env) abort
   let path_prefix = '\V'. escape(a:path_prefix, '\')
-  let counter     = s:numfiles
+  let counter     = g:startify_files_number
   let entries     = {}
   let oldfiles    = []
 
@@ -608,7 +608,7 @@ function! s:filter_oldfiles(path_prefix, path_format, use_env) abort
     endif
 
     let entry_path = ''
-    if s:tf
+    if !empty(g:startify_transformations)
       let entry_path = s:transform(absolute_path)
     endif
     if empty(entry_path)
@@ -639,7 +639,7 @@ endfunction
 " Function: s:filter_oldfiles_unsafe {{{1
 function! s:filter_oldfiles_unsafe(path_prefix, path_format, use_env) abort
   let path_prefix = '\V'. escape(a:path_prefix, '\')
-  let counter     = s:numfiles
+  let counter     = g:startify_files_number
   let entries     = {}
   let oldfiles    = []
   let is_dir      = escape(s:sep, '\') . '$'
@@ -679,7 +679,7 @@ endfunction
 
 " Function: s:show_files {{{1
 function! s:show_files() abort
-  return s:display_by_path('', s:relative_path, get(g:, 'startify_use_env'))
+  return s:display_by_path('', g:startify_relative_path, get(g:, 'startify_use_env'))
 endfunction
 
 " Function: s:show_sessions {{{1
@@ -717,7 +717,7 @@ function! s:show_sessions() abort
     let index = s:get_index_as_string()
     let fname = fnamemodify(sfiles[i], ':t')
     let dname = sfiles[i] ==# v:this_session ? fname.' (*)' : fname
-    call append('$', s:padding_left .'['. index .']'. repeat(' ', (3 - strlen(index))) . dname)
+    call append('$', g:startify_padding_left .'['. index .']'. repeat(' ', (3 - strlen(index))) . dname)
     if has('win32')
       let fname = substitute(fname, '\[', '\[[]', 'g')
     endif
@@ -748,13 +748,13 @@ function! s:show_bookmarks() abort
     endif
 
     let entry_path = ''
-    if s:tf
+    if !empty(g:startify_transformations)
       let entry_path = s:transform(fnamemodify(resolve(expand(path)), ':p'))
     endif
     if empty(entry_path)
       let entry_path = path
     endif
-    call append('$', s:padding_left .'['. index .']'. repeat(' ', (3 - strlen(index))) . entry_path)
+    call append('$', g:startify_padding_left .'['. index .']'. repeat(' ', (3 - strlen(index))) . entry_path)
 
     if has('win32')
       let path = substitute(path, '\[', '\[[]', 'g')
@@ -787,7 +787,7 @@ function! s:show_commands() abort
     " If no list is given, the description is the command itself.
     let [desc, cmd] = type(command) == type([]) ? command : [command, command]
 
-    call append('$', s:padding_left .'['. index .']'. repeat(' ', (3 - strlen(index))) . desc)
+    call append('$', g:startify_padding_left .'['. index .']'. repeat(' ', (3 - strlen(index))) . desc)
     call s:register(line('$'), index, 'special', cmd, '')
 
     unlet entry command
@@ -798,7 +798,7 @@ endfunction
 
 " Function: s:is_in_skiplist {{{1
 function! s:is_in_skiplist(arg) abort
-  for regexp in s:skiplist
+  for regexp in g:startify_skiplist
     try
       if a:arg =~# regexp
         return 1
@@ -811,7 +811,9 @@ endfunction
 
 " Function: s:set_cursor {{{1
 function! s:set_cursor() abort
-  let b:startify.oldline = exists('b:startify.newline') ? b:startify.newline : 2 + len(s:padding_left)
+  let b:startify.oldline = exists('b:startify.newline')
+        \ ? b:startify.newline
+        \ : 2 + len(g:startify_padding_left)
   let b:startify.newline = line('.')
 
   " going up (-1) or down (1)
@@ -1107,13 +1109,13 @@ endfunction
 " Init: values {{{1
 let s:sep = startify#get_separator()
 
-let s:numfiles = get(g:, 'startify_files_number', 10)
-let s:show_special = get(g:, 'startify_enable_special', 1)
-let s:relative_path = get(g:, 'startify_relative_path') ? ':~:.' : ':p:~'
-let s:tf = exists('g:startify_transformations')
+let g:startify_files_number = get(g:, 'startify_files_number', 10)
+let g:startify_enable_special = get(g:, 'startify_enable_special', 1)
+let g:startify_relative_path = get(g:, 'startify_relative_path') ? ':~:.' : ':p:~'
 let s:session_dir = startify#get_session_path()
+let g:startify_transformations = get(g:, 'startify_transformations', [])
 
-let s:skiplist = extend(get(g:, 'startify_skiplist', []), [
+let g:startify_skiplist = extend(get(g:, 'startify_skiplist', []), [
       \ 'runtime/doc/.*\.txt$',
       \ 'bundle/.*/doc/.*\.txt$',
       \ 'plugged/.*/doc/.*\.txt$',
@@ -1122,6 +1124,6 @@ let s:skiplist = extend(get(g:, 'startify_skiplist', []), [
       \ escape(fnamemodify(resolve($VIMRUNTIME), ':p'), '\') .'doc/.*\.txt$',
       \ ], 'keep')
 
-let s:padding_left = repeat(' ', get(g:, 'startify_padding_left', 3))
-let s:fixed_column = len(s:padding_left) + 2
+let g:startify_padding_left = repeat(' ', get(g:, 'startify_padding_left', 3))
+let s:fixed_column = len(g:startify_padding_left) + 2
 let s:batchmode = ''

autoload/startify/fortune.vim

@@ -22,7 +22,7 @@ endfunction
 
 " Function: #quote {{{1
 function! startify#fortune#quote() abort
-  return s:quotes[s:get_random_offset(len(s:quotes))]
+  return g:startify_custom_header_quotes[s:get_random_offset(len(g:startify_custom_header_quotes))]
 endfunction
 
 " Function: #boxed {{{1
@@ -73,14 +73,14 @@ let s:cow = [
       \ '                ||     ||',
       \ ]
 
-let s:unicode = &encoding == 'utf-8' && get(g:, 'startify_fortune_use_unicode')
+let g:startify_fortune_use_unicode = &encoding == 'utf-8' && get(g:, 'startify_fortune_use_unicode')
 
-let s:char_top_bottom   = ['-', '─'][s:unicode]
-let s:char_sides        = ['|', '│'][s:unicode]
-let s:char_top_left     = ['*', '╭'][s:unicode]
-let s:char_top_right    = ['*', '╮'][s:unicode]
-let s:char_bottom_right = ['*', '╯'][s:unicode]
-let s:char_bottom_left  = ['*', '╰'][s:unicode]
+let s:char_top_bottom   = ['-', '─'][g:startify_fortune_use_unicode]
+let s:char_sides        = ['|', '│'][g:startify_fortune_use_unicode]
+let s:char_top_left     = ['*', '╭'][g:startify_fortune_use_unicode]
+let s:char_top_right    = ['*', '╮'][g:startify_fortune_use_unicode]
+let s:char_bottom_right = ['*', '╯'][g:startify_fortune_use_unicode]
+let s:char_bottom_left  = ['*', '╰'][g:startify_fortune_use_unicode]
 
 let s:predefined_quotes = [
       \ ["Debugging is twice as hard as writing the code in the first place. Therefore, if you write the code as cleverly as possible, you are, by definition, not smart enough to debug it.", '', '- Brian Kernighan'],
@@ -238,6 +238,6 @@ let s:predefined_quotes = [
       \ ['What one programmer can do in one month, two programmers can do in two months.', '', '- Frederick P. Brooks'],
       \ ]
 
-let s:quotes = exists('g:startify_custom_header_quotes')
+let g:startify_custom_header_quotes = exists('g:startify_custom_header_quotes')
       \ ? g:startify_custom_header_quotes
       \ : startify#fortune#predefined_quotes()