feat(nvim): use lewis6991/gitsigns.nvim

Replace airblade/vim-gitgutter with lewis6991/gitsigns.

nvim/.config/nvim/lua/opdavies/init.lua

@@ -3,4 +3,5 @@ require("colorbuddy").colorscheme("gruvbuddy")
 require "opdavies.plugins.completion"
 require "opdavies.plugins.indent-blankline"
 require "opdavies.plugins.lsp"
+require "opdavies.plugins.signs"
 require "opdavies.plugins.treesitter"

nvim/.config/nvim/lua/opdavies/plugins/signs.lua

@@ -0,0 +1,23 @@
+require "colorbuddy"
+
+local c = require("colorbuddy.color").colors
+local Group = require("colorbuddy.group").Group
+
+Group.new("GitSignsAdd", c.green)
+Group.new("GitSignsChange", c.yellow)
+Group.new("GitSignsDelete", c.red)
+
+require 'gitsigns'.setup {
+  linehl = false,
+  numhl = true,
+
+  signs = {
+    add = { hl = "GitSignsAdd", text = "│", numhl = "GitSignsAddNr" },
+    change = { hl = "GitSignsChange", text = "│", numhl = "GitSignsChangeNr" },
+    delete = { hl = "GitSignsDelete", text = "_", numhl = "GitSignsDeleteNr" },
+    topdelete = { hl = "GitSignsDelete", text = "‾", numhl = "GitSignsDeleteNr" },
+    changedelete = { hl = "GitSignsDelete", text = "~", numhl = "GitSignsChangeNr" },
+  },
+
+  word_diff = false,
+}

nvim/.config/nvim/plugins.vim

@@ -1,10 +1,10 @@
 " Utilities
-Plug 'airblade/vim-gitgutter'
 Plug 'cakebaker/scss-syntax.vim'
 Plug 'christoomey/vim-sort-motion'
 Plug 'christoomey/vim-tmux-navigator'
 Plug 'editorconfig/editorconfig-vim'
 Plug 'icatalina/vim-case-change'
+Plug 'lewis6991/gitsigns.nvim'
 Plug 'lukas-reineke/indent-blankline.nvim'
 Plug 'machakann/vim-highlightedyank'
 Plug 'mattn/emmet-vim'