.vimrc

"**********************************

" Skyler Spaeth's .vimrc (v1.0)
" github.com/skylerspaeth/DotFiles

"**********************************

"Use normal backspace behavior:
set nocompatible
set backspace=2

"Make vim pretty:
set background=dark
syntax on
syntax sync minlines=20
colorscheme PaperColor

"Install plugin(s) if VimPlug is setup
if !empty(globpath(&rtp, 'autoload/plug.vim'))
  filetype plugin indent on
  call plug#begin()
    Plug 'chemzqm/vim-jsx-improve'
    Plug 'ap/vim-css-color'
    Plug 'hashivim/vim-terraform'
    Plug 'fatih/vim-go', { 'do': ':GoUpdateBinaries' }
  call plug#end()
endif

"Language-specific customizations:
"For Terraform:
function Tfmt()
  execute '%!terraform fmt -no-color -'
endfunction

"For Jenkinsfiles:
autocmd BufNewFile,BufRead Jenkinsfile setf groovy

"For *.hbs:
autocmd BufNewFile,BufRead *.handlebars,*.hbs set filetype=html

"For *.js:
autocmd FileType javascript setlocal ts=2 sts=2 sw=2

"For *.jsx:
autocmd FileType javascriptreact setlocal sts=2 sts=2 sw=2

"For *.sh:
autocmd FileType sh setlocal sts=2 sts=2 sw=2

"Disable error bells:
set noerrorbells
set belloff=all

set number
set nowrap
set relativenumber
set cursorline
set nohlsearch

"Insert spaces when tab key is pressed, preventing
"spaces from becoming tabs outside the editor:
set expandtab

"Indent automatically when making new lines:
set autoindent

"Use spaces for tabs globally:
set ts=2
set sts=2
set sw=2

"Always show filename:
set laststatus=2
set statusline=
set statusline+=%9*
set statusline+=\ 
set statusline+=%f
set statusline+=\ 
set statusline+=%m
set statusline+=%=
set statusline+=%1*
set statusline+=\ 
set statusline+=%{b:gitbranch}
set statusline+=\ 
set statusline+=%9*
set statusline+=\ 
hi User1 ctermbg=213 ctermfg=white guibg=black guifg=white
hi User9 ctermbg=098 ctermfg=white guibg=black guifg=white

function! StatuslineGitBranch()
  let b:gitbranch=""
  if &modifiable
    try
      let l:dir=expand('%:p:h')
      let b:gitbranch = system('local headfile head branch; local dir="$PWD"; while [ -n "$dir" ]; do if [ -e "$dir/.git/HEAD" ]; then; headfile="$dir/.git/HEAD"; break; fi; dir="${dir%/*}"; done; if [ -e "$headfile" ]; then; read -r head < "$headfile" || return; case "$head" in ref:*) branch="${head##*/}" ;; "") branch="" ;; *) branch="${head:0:7}" ;; esac; fi; if [ -z "$branch" ]; then return 0; fi; printf "$branch"')
      " this is still a wip
      " if empty(b:gitbranch)
      "   b:gitbranch = system('echo not a git branch')
      " endif
    catch
    endtry
  endif
endfunction

augroup GetGitBranch
  autocmd!
  autocmd VimEnter,WinEnter,BufEnter * call StatuslineGitBranch()
augroup END


"Window resizing for Mac (special chars generated by keystrokes):
if has('macunix')
  "Horizontal resize binds:
    "opt + equals:
    nnoremap ≠ :res +5<CR>
    "opt + minus:
    nnoremap – :res -5<CR>

  "Vertical resize binds:
    "shift + equals (+):
    nnoremap + :vert res +5<CR>
    "shift + minus (_):
    nnoremap _ :vert res -5<CR>

  "Font size override for MacVim:
  set guifont=Menlo\ Regular:h18

endif

"Really delete (send contents to blackhole register)
"from https://stackoverflow.com/a/3641942/3291472:
nnoremap R "_d

"Bind F2 to refresh syntax highlighting
map <F2> :syntax sync fromstart<CR>
syntax sync fromstart

"Make fold views save and load automatically
autocmd BufWinLeave *.*,Jenkinsfile mkview
autocmd BufWinEnter *.*,Jenkinsfile silent loadview

"Disable autocommenting when on another comment line (helpful for shebang)
autocmd BufNewFile,BufRead * setlocal formatoptions-=cro

"Register length fix
set viminfo='20,<1000