localdev: remove scala

unused surface area.

shared/home/default.nix

@@ -22,10 +22,6 @@
 
         zigpkgs."0.11.0"
         sbt
-
-        scala_2_12
-        metals
-        coursier
       ]
       else []
     )
@@ -83,14 +79,7 @@
             if fullDesktop
             then [
               vim-go
-
               zig-vim
-
-              vim-vsnip
-              cmp-nvim-lsp
-              nvim-cmp
-              nvim-metals
-              plenary-nvim
             ]
             else []
           );
@@ -101,8 +90,6 @@
           builtins.readFile
           (pkgs.substituteAll {
             src = ./dev.lua;
-            javaHome = pkgs.jdk.home;
-            inherit (pkgs) metals;
             inherit (pkgs) gotools;
           })
           .outPath;

shared/home/dev.lua

@@ -3,134 +3,3 @@ vim.api.nvim_exec([[
     au FileType go let g:go_template_autocreate = 0
     au FileType go let g:go_fmt_command = "@gotools@/bin/goimports"
 ]], false)
-
-local api = vim.api
-local cmd = vim.cmd
-local map = vim.keymap.set
-
-----------------------------------
--- OPTIONS -----------------------
-----------------------------------
--- global
-vim.opt_global.completeopt = { "menuone", "noinsert", "noselect" }
-vim.opt_global.shortmess:remove("F")
-
--- LSP mappings
-map("n", "gD",  vim.lsp.buf.definition)
-map("n", "K",  vim.lsp.buf.hover)
-map("n", "gi", vim.lsp.buf.implementation)
-map("n", "gr", vim.lsp.buf.references)
-map("n", "gds", vim.lsp.buf.document_symbol)
-map("n", "gws", vim.lsp.buf.workspace_symbol)
-map("n", "<leader>cl", vim.lsp.codelens.run)
-map("n", "<leader>sh", vim.lsp.buf.signature_help)
-map("n", "<leader>rn", vim.lsp.buf.rename)
-map("n", "<leader>f", vim.lsp.buf.format)
-map("n", "<leader>ca", vim.lsp.buf.code_action)
-
-map("n", "<leader>ws", function()
-  require("metals").hover_worksheet()
-end)
-
--- all workspace diagnostics
-map("n", "<leader>aa", vim.diagnostic.setqflist)
-
--- all workspace errors
-map("n", "<leader>ae", function()
-  vim.diagnostic.setqflist({ severity = "E" })
-end)
-
--- all workspace warnings
-map("n", "<leader>aw", function()
-  vim.diagnostic.setqflist({ severity = "W" })
-end)
-
--- buffer diagnostics only
-map("n", "<leader>d", vim.diagnostic.setloclist)
-
-map("n", "[c", function()
-  vim.diagnostic.goto_prev({ wrap = false })
-end)
-
-map("n", "]c", function()
-  vim.diagnostic.goto_next({ wrap = false })
-end)
-
--- Completion related settings. Disabling (motiejus 2023-10-23), because I
--- can't get C-n to work on "simple" files.
---
---local cmp = require("cmp")
---cmp.setup({
---  sources = {
---    { name = "nvim_lsp" },
---    { name = "vsnip" },
---  },
---  snippet = {
---    expand = function(args)
---      -- Comes from vsnip
---      vim.fn["vsnip#anonymous"](args.body)
---    end,
---  },
---  mapping = cmp.mapping.preset.insert({
---    -- None of this made sense to me when first looking into this since there
---    -- is no vim docs, but you can't have select = true here _unless_ you are
---    -- also using the snippet stuff. So keep in mind that if you remove
---    -- snippets you need to remove this select
---    ["<CR>"] = cmp.mapping.confirm({ select = true }),
---    -- I use tabs... some say you should stick to ins-completion but this is just here as an example
---    ["<Tab>"] = function(fallback)
---      if cmp.visible() then
---        cmp.select_next_item()
---      else
---        fallback()
---      end
---    end,
---    ["<S-Tab>"] = function(fallback)
---      if cmp.visible() then
---        cmp.select_prev_item()
---      else
---        fallback()
---      end
---    end,
---  }),
---})
-
-
-
-----------------------------------
--- LSP Setup ---------------------
-----------------------------------
-local metals_config = require("metals").bare_config()
-
--- Example of settings
-metals_config.settings = {
-  showImplicitArguments = true,
-  excludedPackages = { "akka.actor.typed.javadsl", "com.github.swagger.akka.javadsl" },
-  metalsBinaryPath = "@metals@/bin/metals",
-  javaHome = "@javaHome@",
-}
-
--- *READ THIS*
--- I *highly* recommend setting statusBarProvider to true, however if you do,
--- you *have* to have a setting to display this in your statusline or else
--- you'll not see any messages from metals. There is more info in the help
--- docs about this
- metals_config.init_options.statusBarProvider = "on"
-
--- Example if you are using cmp how to make sure the correct capabilities for snippets are set
--- TODO(motiejus) disabled with cmp 2023-10-23
---metals_config.capabilities = require("cmp_nvim_lsp").default_capabilities()
-
--- Autocmd that will actually be in charging of starting the whole thing
-local nvim_metals_group = api.nvim_create_augroup("nvim-metals", { clear = true })
-api.nvim_create_autocmd("FileType", {
-  -- NOTE: You may or may not want java included here. You will need it if you
-  -- want basic Java support but it may also conflict if you are using
-  -- something like nvim-jdtls which also works on a java filetype autocmd.
-  pattern = { "scala", "sbt", "java" },
-  callback = function()
-    require("metals").initialize_or_attach(metals_config)
-  end,
-  group = nvim_metals_group,
-})
-