nvim overhaul

vim/.config/nvim/lua/packed.lua

@@ -0,0 +1,127 @@
+--
+-- Packed: a single file, somewhat compatible Packer replacement
+-- Written by grace
+--
+
+local function resolve_src(s)
+  if s:match("^https?://") then
+    return s
+  end
+  if s:match("^[%w%-]+/[%w%-_.]+$") then
+    return "https://github.com/" .. s
+  end
+  return s
+end
+
+local function normalize_plugin(p)
+  if type(p) == "string" then
+    return {
+      src = resolve_src(p),
+      name = p:match(".*/(.*)"),
+    }
+  end
+
+  if type(p[1]) == "string" then
+    p.src = resolve_src(p[1])
+    p[1] = nil
+  end
+
+  if p.src then
+    p.src = resolve_src(p.src)
+  end
+
+  if not p.name and p.as then
+    p.name = p.as
+  end
+
+  if not p.version then
+    if p.commit then
+      p.version = p.commit
+    elseif p.tag then
+      p.version = p.tag
+    elseif p.branch then
+      p.version = p.branch
+    end
+  end
+
+
+
+  local unsupported = {
+    'disable', 'installer', 'updater', 'after', 'rtp',
+    'opt', 'bufread', 'lock', 'run', 'requires', 'rocks', 'setup'
+  }
+
+  for _, field in ipairs(unsupported) do
+    if p[field] then
+      vim.notify("Packed does not support `" .. field .. "`: " .. (p.name or p.src), vim.log.levels.WARN)
+      vim.api.nvim_echo({ { "Press Enter to continue...", "MoreMsg" } }, false, {})
+      vim.fn.getchar()
+    end
+  end
+
+  if p.cmd or p.ft or p.keys or p.event or p.fn or p.cond or p.module or p.module_pattern then
+    vim.notify("Packed does not support lazy loading: " .. (p.name or p.src), vim.log.levels.WARN)
+    vim.api.nvim_echo({ { "Press Enter to continue...", "MoreMsg" } }, false, {})
+    vim.fn.getchar()
+  end
+
+
+
+  return p
+end
+
+local function setup_plugins(plugs)
+  local plugins = {}
+
+  if type(plugs) == "function" then
+    local function use(p)
+      table.insert(plugins, p)
+    end
+
+    plugs(use)
+  else
+    plugins = plugs
+  end
+  local specs = {}
+
+  for _, p in ipairs(plugins) do
+    p = normalize_plugin(p)
+
+    local spec = vim.deepcopy(p)
+    spec.config = nil
+
+    table.insert(specs, spec)
+  end
+
+  vim.pack.add(specs, { confirm = true, load = true })
+
+
+  for _, p in ipairs(plugins) do
+    if type(p) ~= "string" and p.config then
+      local ok = pcall(p.config)
+      if not ok then
+        vim.notify("Config failed: " .. (p.name or p.src), vim.log.levels.ERROR)
+        vim.api.nvim_echo({ { "Press Enter to continue...", "MoreMsg" } }, false, {})
+        vim.fn.getchar()
+      end
+    end
+  end
+
+
+  local unused = vim.iter(vim.pack.get())
+      :filter(function(p)
+        return not p.active
+      end)
+      :map(function(p)
+        return p.spec.name
+      end)
+      :totable()
+
+  vim.pack.del(unused)
+end
+
+
+local r = {}
+r.setup = setup_plugins
+
+return r