vimrc: Use exists() instead of checking the version.

[config/dotfiles.git] / vimrc

diff --git a/vimrc b/vimrc
index 97d0c371cfdce3393c500537e02bc7e53cf31200..a58741dc7e1877c0e0dbb6f5ee0d68553fb09c80 100644 (file)
--- a/vimrc
+++ b/vimrc
@@ -34,6 +34,8 @@ set runtimepath^=~/.vim,~/.vim/runtime
 
 " Don't store swap files in the same directory as the edited file.
 set directory-=.
+" But store them in ~/.tmp if available.
+set directory^=~/.tmp
 
 " Disable modelines as they may cause security problems. Instead use
 " securemodelines (Vim script #1876).
@@ -51,7 +53,7 @@ set history=1000
 set undolevels=1000
 
 " Use strong encryption if possible, also used for swap/undo files.
-if v:version >= 703
+if exists('+cryptmethod')
     set cryptmethod=blowfish
 endif
 
@@ -118,7 +120,7 @@ set smartcase
 
 " Activate spell checking, use English as default. Don't use spell checking
 " when diffing.
-if v:version >= 700 && has('syntax') && !&diff
+if exists('+spell') && has('syntax') && !&diff
     set spell
     set spelllang=en_us
 endif
@@ -138,7 +140,7 @@ set background=dark
 set number
 " But use as little space as necessary for the numbers column. Thanks to James
 " Vega (http://git.jamessan.com/?p=etc/vim.git;a=summary).
-if v:version >= 700
+if exists('+numberwidth')
     set numberwidth=1
 endif
 " Display the ruler with current line/file position. If 'statusline' is used
@@ -152,7 +154,7 @@ set showcmd
 set lazyredraw
 
 " Visualize the line the cursor is currently in.
-if v:version >= 700
+if exists('+cursorline')
     set cursorline
 endif
 
@@ -221,15 +223,18 @@ cmap <Left>  <Nop>
 cnoremap <C-P> <Up>
 cnoremap <C-N> <Down>
 
+" Write before suspending, thanks to deryni in #vim on Freenode (2011-05-09
+" 20:02 CEST). To suspend without saving either unmap it or use :stop<CR>.
+nnoremap <C-Z> :update<CR>:stop<CR>
+
+" 2<C-G> gives more verbose information, use it by default. Thanks to NCS_One
+" in #vim on Freenode (2011-08-15 00:17 CEST).
+nnoremap <C-G> 2<C-G>
+
 " Use <Space> to move down a page and - to move up one like in mutt.
 nnoremap <Space> <C-F>
 nnoremap - <C-B>
 
-" Behave like 'scrolloff' but only while searching. Thanks to "Benjamin R.
-" Haskell" <vim@benizi.com> from the Vim mailing list (2010-10-26).
-nnoremap n nzv3j3k
-nnoremap N Nzv3k3j
-
 " Go to next and previous buffer. Thanks to elik in #vim on Freenode
 " (2010-05-16 18:38 CEST) for this idea.
 nnoremap <silent> gb :bnext<CR>
@@ -252,7 +257,7 @@ nnoremap <C-W>O <C-W>p<C-W>o
 
 " Maps to change spell language between English and German and disable spell
 " checking.
-if v:version >= 700
+if exists('+spell')
     noremap <Leader>sn :set nospell<CR>
     noremap <Leader>se :set spell spelllang=en_us<CR>
     noremap <Leader>sd :set spell spelllang=de_de<CR>
@@ -340,21 +345,32 @@ if has('syntax')
 " Don't highlight more than 500 columns as I normally don't have that long
 " lines and they slow down syntax coloring. Thanks to Derek Wyatt
 " (http://www.derekwyatt.org/vim/the-vimrc-file/).
-    set synmaxcol=500
+    if exists('+synmaxcol')
+        set synmaxcol=500
+    endif
 
 " Highlight lines longer than 78 characters. Thanks to Tony Mechelynck
 " <antoine.mechelynck@gmail.com> from the Vim mailing list. It can easily be
 " disabled when necessary with :2match (in Vim >= 700).
-    if v:version >= 700
+    if exists(':2match')
         2match Todo /\%>78v./
     else
         match Todo /\%>78v./
     endif
 
 " Highlight TODO, FIXME, CHANGED and XXX in all documents.
-    if v:version > 701 || (v:version == 701 && has('patch42'))
+    if exists('*matchadd')
         call matchadd('Todo', '\(TODO\|FIXME\|CHANGED\|XXX\)')
     endif
+
+" Settings for specific filetypes.
+
+    " Perl.
+    let g:perl_fold = 1
+    let g:perl_fold_blocks = 1
+    let g:perl_nofold_packages = 1
+    let g:perl_include_pod = 1 " syntax coloring for PODs
+
 endif
 
 
@@ -363,8 +379,8 @@ endif
 " Use pathogen which allows one 'runtimepath' entry per plugin. This makes
 " installing/removing/updating plugins simple. (Used for plugins with more
 " than one file.)
-if has('eval')
-    call pathogen#runtime_append_all_bundles()
+if has('eval') && v:version >= 700
+    execute 'call pathogen#runtime_append_all_bundles()'
 endif
 
 " Settings for the NERD commenter.
@@ -417,7 +433,9 @@ if has('autocmd')
 " Automatically disable 'paste' mode when leaving insert mode. Thanks to
 " Raimondi in #vim on Freenode (2010-08-14 23:01 CEST). Very useful as I only
 " want to paste once and then 'paste' gets automatically unset.
-        autocmd InsertLeave * set nopaste
+        if exists('#InsertLeave')
+            autocmd InsertLeave * set nopaste
+        endif
 
 " AFTER/FTPLUGIN AUTO COMMANDS
 
@@ -434,9 +452,6 @@ if has('autocmd')
 " the recommendation for git commit messages (http://tpope.net/node/106).
         autocmd FileType gitcommit let g:secure_modelines_allowed_items = [] |
                                  \ setlocal textwidth=72
-" Allow folding in perl.
-        autocmd FileType perl let perl_fold = 1 |
-                            \ let perl_fold_blocks = 1
 " Use the same comment string as for Vim files in Vimperator files.
         autocmd FileType vimperator setlocal commentstring=\"%s