Add vim-gitgutter

.config/nixpkgs/home.nix

@@ -202,6 +202,7 @@
       extraConfig = ''
         call plug#begin('~/.vim/plugged')
         Plug 'LnL7/vim-nix'
+        Plug 'airblade/vim-gitgutter'
         Plug 'ap/vim-css-color'
         Plug 'dracula/vim', { 'as': 'dracula' }
         Plug 'fatih/vim-go'
@@ -242,20 +243,27 @@
         set t_Co=256
         set tabstop=2
         set wildmenu
+
         " Remember line number
         if has("autocmd")
           au BufReadPost * if line("'\"") > 0 && line("'\"") <= line("$") | exe "normal! g`\"" | endif
         endif
+
         " Search down into subfolders
         " Provides tab-completion for all file-related tasks
         set path+=**
         filetype plugin indent on
+
         " Enable folding with the spacebar
+
         nnoremap <space> za
+
         " replace visually selected
         vnoremap <C-r> "hy:%s/<C-r>h//g<left><left>
+
         " Custom Commands
         command JsonFormat execute "::%!jq '.'"
+
         " Shortcuts
         map <Leader>r :Rg<CR>
         map <Leader>f :Files<CR>
@@ -264,23 +272,29 @@
         map <C-s> :tabn<CR>
         map <C-a> :tabp<CR>
         map <C-n> :tabnew<CR>
+
         " Copypasta
         noremap <Leader>y "+y
         noremap <Leader>p "+p
+
         " Python indentation
         au BufNewFile,BufRead *.py set tabstop=4 softtabstop=4 shiftwidth=4 textwidth=79 expandtab autoindent fileformat=unix
         let python_highlight_all=1
         syntax on
         colorscheme dracula
+
         " Transparency
         hi Normal guibg=NONE ctermbg=NONE
+
         " highlight red lines
         highlight ExtraWhitespace ctermbg=red guibg=red
         match ExtraWhitespace /\s\+$/
+
         " groovy syntax
         au BufNewFile,BufRead *.groovy set tabstop=2 shiftwidth=2 expandtab
         au BufNewFile,BufRead Jenkinsfile setf groovy
         au BufNewFile,BufRead Jenkinsfile set tabstop=2 shiftwidth=2 expandtab
+
         " vim-go
         let g:go_auto_sameids = 0
         let g:go_fmt_command = "goimports"
@@ -305,12 +319,15 @@
         let g:go_metalinter_autosave=1
         let g:go_metalinter_autosave_enabled=['golint', 'govet']
         let g:go_rename_command = 'gopls'
+
         " vim-terraform
         let g:terraform_align=1
         let g:terraform_fmt_on_save=1
         let g:terraform_fold_sections=1
+
         " rust.vim
         let g:rustfmt_autosave = 1
+
         " syntastic
         set statusline+=%#warningmsg#
         set statusline+=%{SyntasticStatuslineFlag()}
@@ -319,6 +336,7 @@
         let g:syntastic_auto_loc_list = 1
         let g:syntastic_check_on_open = 1
         let g:syntastic_check_on_wq = 0
+
         " fzf.vim
         let g:fzf_preview_window = 'right:60%'
         let g:fzf_layout = { 'window': 'enew' }