feat(nix/home): add haskel

feat(prog/nvim): support haskel lsp

nix/home.nix

@@ -122,6 +122,7 @@ in
     };
 
     initExtraFirst = ''
+      # nix
       if [ -e $HOME/.nix-profile/etc/profile.d/nix.sh ]; then
         source $HOME/.nix-profile/etc/profile.d/nix.sh;
       fi
@@ -129,6 +130,11 @@ in
       source $HOME/.nix-profile/etc/profile.d/hm-session-vars.sh
 
       export NIX_PATH=$HOME/.nix-defexpr/channels''${NIX_PATH:+:$NIX_PATH}
+
+      # ghcup
+      if [ -f "$HOME/.ghcup/env" ]; then
+        source "$HOME/.ghcup/env"
+      fi
     '';
   };
 

programs/nvim/init.vim

@@ -104,6 +104,15 @@ let g:NERDTreeGitStatusIndicatorMapCustom = {
 let g:lsp_preview_max_width = 60
 let g:lsp_diagnostics_float_cursor = 1
 
+" if (executable('haskell-language-server-wrapper'))
+"   echom "Haskell lsp installed"
+"   au User lsp_setup call lsp#register_server({
+"       \ 'name': 'haskell-language-server-wrapper',
+"       \ 'cmd': {server_info->['haskell-language-server-wrapper', 'lsp']},
+"       \ 'whitelist': ['haskell'],
+"       \ })
+" endif
+
 function! s:on_lsp_buffer_enabled() abort
   setlocal omnifunc=lsp#complete
   if exists('+tagfunc') | setlocal tagfunc=lsp#tagfunc | endif