[WIP] nvim integrate with iterm2 profile name

Problem:
- official nord theme repo for vim, the guy seems reticent to implement
  it of neovim
- the fork of nord theme (nordtheme/nord#157) is ugly

dotfiles/.config/nvim/lua/wax/plugins.lua

@@ -116,6 +116,7 @@ return require("packer").startup({
 
     --------- User Interface ---------
     use("morhetz/gruvbox")
+    use("shaunsingh/nord.nvim")
     use({
       "itchyny/lightline.vim", -- light status line
       config = function()

dotfiles/.config/nvim/lua/wax/plugins/lightline.lua

@@ -27,7 +27,7 @@ local ligthline_layout = {
 }
 
 vim.g.lightline = {
-  colorscheme = "gruvbox",
+  colorscheme = iterm_colorscheme,
   component_function = { gitbranch = "FugitiveHead", lspstatus = "LspStatus" },
   -- component_expand = {  -- custom components
   -- },

dotfiles/.config/nvim/lua/wax/themes.lua

@@ -9,16 +9,34 @@ vim.o.background = "dark"
 vim.g.gruvbox_invert_selection = 0
 vim.g.gruvbox_improved_warnings = 1
 
-vim.cmd("silent! colorscheme gruvbox")
+vim.g.nord_disable_background = true
 
 -- Highlight API is still a wip in nvim: https://github.com/nanotee/nvim-lua-guide#defining-syntaxhighlights
+
 vim.api.nvim_exec(
   [[
+" Base interface
 highlight Normal ctermbg=none
 highlight SignColumn ctermbg=none
 highlight VertSplit ctermbg=none
 highlight CursorLineNr ctermbg=none
 highlight ColorColumn ctermbg=236
+highlight SignColumn ctermbg=none
+
+" Better diff views
+highlight DiffAdd cterm=none ctermfg=Green ctermbg=none
+highlight DiffChange cterm=none ctermfg=Yellow ctermbg=none
+highlight DiffDelete cterm=bold ctermfg=Red ctermbg=none
+highlight DiffText cterm=none ctermfg=Blue ctermbg=none
+  ]],
+  false
+)
+
+-- Gruvbox Specific
+local apply_gruvbox_theme = function()
+  vim.api.nvim_exec(
+    [[
+" Statusline
 hi! link Statusline GruvboxFg3
 
 " barbar
@@ -36,31 +54,22 @@ hi! link BufferTabpageFill GruvboxBg0
 highlight Folded cterm=bold ctermbg=none
 hi! link Folded GruvboxFg3
 
-" Better Sign Column
-highlight SignColumn ctermbg=none
-
 " Lsp
 hi! link LspDiagnosticsDefaultError GruvboxRed
 hi! link LspDiagnosticsDefaultWarning GruvboxYellow
 hi! link LspDiagnosticsDefaultInformation GruvboxFg3
 hi! link LspDiagnosticsDefaultHint GruvboxBlue
 
-" LSP colors
-highlight LspReferenceRead cterm=bold ctermbg=red guibg=#464646
-highlight LspReferenceText cterm=bold ctermbg=red guibg=#464646
-highlight LspReferenceWrite cterm=bold ctermbg=red guibg=#464646
+"" LSP colors
+"highlight LspReferenceRead cterm=bold ctermbg=red guibg=#464646
+"highlight LspReferenceText cterm=bold ctermbg=red guibg=#464646
+"highlight LspReferenceWrite cterm=bold ctermbg=red guibg=#464646
 
 " gitsigns
 hi! link GitSignsDelete GruvboxRed
 hi! link GitSignsChange GruvboxYellow
 hi! link GitSignsAdd GruvboxAqua
 
-" Better diff views
-highlight DiffAdd cterm=none ctermfg=Green ctermbg=none
-highlight DiffChange cterm=none ctermfg=Yellow ctermbg=none
-highlight DiffDelete cterm=bold ctermfg=Red ctermbg=none
-highlight DiffText cterm=none ctermfg=Blue ctermbg=none
-
 
 " TreeSitter for TypeScript and Vue
 hi! link TSProperty white
@@ -82,5 +91,11 @@ hi! link TSPunctSpecial GruvboxFg3
 hi! link TSPunctBracket GruvboxFg3
 hi! link TSPunctDelimiter white
 ]],
-  false
-)
+    false
+  )
+end
+
+if iterm_colorscheme == "gruvbox" then
+  vim.cmd("silent! colorscheme gruvbox")
+  apply_gruvbox_theme()
+end

dotfiles/.config/nvim/lua/wax/utils/os.lua

@@ -65,3 +65,10 @@ else
   -- TODO: mock it
   file = ""
 end
+
+local known_colorschemes = { "gruvbox", "nord" }
+if vim.tbl_contains(known_colorschemes, os.getenv("ITERM_PROFILE")) then
+  iterm_colorscheme = os.getenv("ITERM_PROFILE")
+else
+  iterm_colorscheme = "default"
+end