Initial Neovim setup—now I just need to learn how to use it

users/tsv/bash_profile

@@ -33,7 +33,7 @@ BOLD='\033[01m'
 
 PS1="\n\n[$GREEN\\]\h$CLEAR\\]] [$BLUE\\]\w$CLEAR\\]]"
 PS1+=' $(__git_ps1 [$YELLOW%s$CLEAR]) \n'
-PS1+="$ \[$BOLD\]"
+PS1+="ॐ  \[$BOLD\]"
 trap 'printf "\033[0m" >&2' DEBUG
 
 

users/tsv/home.nix

@@ -26,6 +26,7 @@
   };
 
   home.packages = with pkgs; [
+    vimPlugins.vim-plug
     firefox
     git-crypt
     gnupg
@@ -33,6 +34,7 @@
     docker-compose
     ruby_3_1
     rubyPackages_3_1.dip
+    rubyPackages_3_1.solargraph
     calibre
     thunderbird
     anki
@@ -46,6 +48,8 @@
     winetricks
   ];
 
+  
+
   home.file.".bash_profile".source = ./bash_profile;
   home.file.".tmux.conf".source = ./tmux.conf;
   xdg.configFile."git/config".source = ./git/config;

users/tsv/nvim/init.vim

@@ -1,3 +1,25 @@
+if empty(glob('~/.vim/autoload/plug.vim'))
+  silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs
+    \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim
+endif
+
+" Run PlugInstall if there are missing plugins
+autocmd VimEnter * if len(filter(values(g:plugs), '!isdirectory(v:val.dir)'))
+  \| PlugInstall --sync | source $MYVIMRC
+\| endif
+
+call plug#begin()
+Plug 'morhetz/gruvbox'
+Plug 'preservim/nerdtree'
+Plug 'ryanoasis/vim-devicons'
+Plug 'neovim/nvim-lspconfig'
+Plug 'hrsh7th/nvim-cmp'
+Plug 'nvim-telescope/telescope.nvim'
+Plug 'thoughtbot/vim-rspec'
+Plug 'tpope/vim-rails'
+Plug 'tpope/vim-endwise'
+call plug#end()
+
 set nocompatible
 set showmatch
 set ignorecase
@@ -10,9 +32,63 @@ set expandtab
 set shiftwidth=2
 set autoindent
 set number
+set relativenumber
 set wildmode=longest,list
 set cc=80
 filetype plugin indent on
 set clipboard=unnamedplus
 set cursorline
 
+colorscheme gruvbox
+
+lua << EOF
+require'lspconfig'.solargraph.setup{}
+
+local nvim_lsp = require('lspconfig')
+
+-- Use an on_attach function to only map the following keys
+-- after the language server attaches to the current buffer
+local on_attach = function(client, bufnr)
+  local function buf_set_keymap(...) vim.api.nvim_buf_set_keymap(bufnr, ...) end
+  local function buf_set_option(...) vim.api.nvim_buf_set_option(bufnr, ...) end
+
+  --Enable completion triggered by <c-x><c-o>
+  buf_set_option('omnifunc', 'v:lua.vim.lsp.omnifunc')
+
+  -- Mappings.
+  local opts = { noremap=true, silent=true }
+
+  -- See `:help vim.lsp.*` for documentation on any of the below functions
+  buf_set_keymap('n', 'gD', '<Cmd>lua vim.lsp.buf.declaration()<CR>', opts)
+  buf_set_keymap('n', 'gd', '<Cmd>lua vim.lsp.buf.definition()<CR>', opts)
+  buf_set_keymap('n', 'K', '<Cmd>lua vim.lsp.buf.hover()<CR>', opts)
+  buf_set_keymap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<CR>', opts)
+  buf_set_keymap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
+  buf_set_keymap('n', '<space>wa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
+  buf_set_keymap('n', '<space>wr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
+  buf_set_keymap('n', '<space>wl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
+  buf_set_keymap('n', '<space>D', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
+  buf_set_keymap('n', '<space>rn', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
+  buf_set_keymap('n', '<space>ca', '<cmd>lua vim.lsp.buf.code_action()<CR>', opts)
+  buf_set_keymap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<CR>', opts)
+  buf_set_keymap('n', '<space>e', '<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>', opts)
+  buf_set_keymap('n', '[d', '<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>', opts)
+  buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
+  buf_set_keymap('n', '<space>q', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
+  buf_set_keymap("n", "<space>f", "<cmd>lua vim.lsp.buf.formatting()<CR>", opts)
+
+end
+
+-- Use a loop to conveniently call 'setup' on multiple servers and
+-- map buffer local keybindings when the language server attaches
+local servers = { "solargraph" }
+for _, lsp in ipairs(servers) do
+  nvim_lsp[lsp].setup {
+    on_attach = on_attach,
+    flags = {
+      debounce_text_changes = 150,
+    }
+}
+end
+EOF
+