" Load internal configuration as well, if exists
" To see what was loaded, use :script
runtime defaults.vim

" Enable the FileType plugin
filetype plugin indent on

" Defaults for unknown files
set tabstop=4 " ts: show existing tab with 4 spaces width
set softtabstop=4 " sts: Sets the number of columns for a TAB
set shiftwidth=4 " sw: when indenting with '>', use 4 spaces width
set expandtab " On pressing tab, insert 4 spaces
" Use :retab to convert existing tabs to space

" EXCEPTIONS
" To see list of filetypes available, type ':setfiletype ' and Ctrl-D
" yaml, especially for docker-compose
autocmd FileType yaml setlocal ts=2 sts=2 sw=2 expandtab

" Enable relative line numbers
set relativenumber " rnu: add left-margin with line numbers relative to cursor
set number " replace cursor line number from 0 to absolute number

" Optional: Set vim colorscheme
colorscheme codedark

" Highlight git merge conflicts
" Adapted from: <https://vi.stackexchange.com/a/19760>
function! ConflictsHighlight() abort
    syn region conflictStart start=/^<<<<<<< .*$/ end=/^\ze\(=======$\||||||||\)/
    syn region conflictMiddle start=/^||||||| .*$/ end=/^\ze=======$/
    syn region conflictEnd start=/^\(=======$\||||||| |\)/ end=/^>>>>>>> .*$/

    highlight conflictStart ctermbg=red ctermfg=black
    highlight conflictMiddle ctermbg=blue ctermfg=black
    highlight conflictEnd ctermbg=green cterm=bold ctermfg=black
endfunction

augroup MyColors
    autocmd!
    autocmd BufEnter * call ConflictsHighlight()
augroup END