Editor support for Spack config files

To get validation and autocompletion of Spack configuration files, enable an extension for the YAML Language Server Protocol (LSP) in your editor of choice.

• Visual Studio Code: Install the YAML Language Support extension by Red Hat.

• Neovim: Install yaml-language-server.

  0.11.x and newer

  --- $XDG_CONFIG_HOME/nvim/lsp/yamlls.lua
  return {
    cmd = { "yaml-language-server", "--stdio" },
    filetypes = { "yaml", "yaml.docker-compose", "yaml.gitlab" },
    single_file_support = true,
    settings = {
      -- https://github.com/redhat-developer/vscode-redhat-telemetry#how-to-disable-telemetry-reporting
      redhat = { telemetry = { enabled = false } },
    },
  }
  
  --- $XDG_CONFIG_HOME/nvim/init.lua
  vim.lsp.enable("yamlls")
  
  -- Bootstrap lazy.nvim
  local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
  if not (vim.uv or vim.loop).fs_stat(lazypath) then
      local lazyrepo = "https://github.com/folke/lazy.nvim.git"
      local out = vim.fn.system({ "git", "clone", "--filter=blob:none", "--branch=stable", lazyrepo, lazypath })
      if vim.v.shell_error ~= 0 then
          vim.api.nvim_echo({
              { "Failed to clone lazy.nvim:\n", "ErrorMsg" },
              { out, "WarningMsg" },
              { "\nPress any key to exit..." },
          }, true, {})
          vim.fn.getchar()
          os.exit(1)
      end
  end
  vim.opt.rtp:prepend(lazypath)
  
  vim.g.mapleader = " "
  vim.g.maplocalleader = "\\"
  
  -- Setup lazy.nvim
  require("lazy").setup({
      spec = {
          -- For completions.
          -- See https://cmp.saghen.dev/ for more config options
          { "saghen/blink.cmp", opts = {} },
      },
      checker = { enabled = true },
  })

  0.10.x and older

  -- Bootstrap lazy.nvim
  local lazypath = vim.fn.stdpath("data") .. "/lazy/lazy.nvim"
  if not (vim.uv or vim.loop).fs_stat(lazypath) then
      local lazyrepo = "https://github.com/folke/lazy.nvim.git"
      local out = vim.fn.system({ "git", "clone", "--filter=blob:none", "--branch=stable", lazyrepo, lazypath })
      if vim.v.shell_error ~= 0 then
          vim.api.nvim_echo({
              { "Failed to clone lazy.nvim:\n", "ErrorMsg" },
              { out, "WarningMsg" },
              { "\nPress any key to exit..." },
          }, true, {})
          vim.fn.getchar()
          os.exit(1)
      end
  end
  vim.opt.rtp:prepend(lazypath)
  
  vim.g.mapleader = " "
  vim.g.maplocalleader = "\\"
  
  -- Setup lazy.nvim
  require("lazy").setup({
      spec = {
          {
            "neovim/nvim-lspconfig",
            config = function()
              local lspconfig = require("lspconfig")
  
              lspconfig.yamlls.setup({})
            end,
          }
          -- For completions.
          -- See https://cmp.saghen.dev/ for more config options
          { "saghen/blink.cmp", opts = {} },
      },
      checker = { enabled = true },
  })

Then add the following line at the top of your YAML file:

Environments (spack.yaml)

# yaml-language-server: $schema=https://raw.githubusercontent.com/spack/schemas/refs/heads/main/schemas/spack.json

Packages (packages.yaml)

# yaml-language-server: $schema=https://raw.githubusercontent.com/spack/schemas/refs/heads/main/schemas/packages.json

Config (config.yaml)

# yaml-language-server: $schema=https://raw.githubusercontent.com/spack/schemas/refs/heads/main/schemas/config.json

Modules (modules.yaml)

# yaml-language-server: $schema=https://raw.githubusercontent.com/spack/schemas/refs/heads/main/schemas/modules.json

Mirrors (mirrors.yaml)

# yaml-language-server: $schema=https://raw.githubusercontent.com/spack/schemas/refs/heads/main/schemas/mirrors.json

Concretizer (concretizer.yaml)

# yaml-language-server: $schema=https://raw.githubusercontent.com/spack/schemas/refs/heads/main/schemas/concretizer.json

CI (ci.yaml)

# yaml-language-server: $schema=https://raw.githubusercontent.com/spack/schemas/refs/heads/main/schemas/ci.json