feat(nvim): add :PackClean, :PackUpdate, :PackSync user commands

Wraps vim.pack for a more ergonomic workflow:

- :PackClean  - delete plugins no longer declared in vim.pack.add()
                (computed from vim.pack.get() where active == false)
- :PackUpdate - run vim.pack.update(nil, { force = true }); skips
                the confirmation buffer
- :PackSync   - :PackClean followed by :PackUpdate

1 files changed, 41 insertions, 0 deletions

diff --git a/dot_config/nvim/lua/config/pack.lua b/dot_config/nvim/lua/config/pack.lua
new file mode 100644
index 0000000..bdef872
--- /dev/null
+++ b/dot_config/nvim/lua/config/pack.lua
@@ -0,0 +1,41 @@
+-- User commands wrapping vim.pack for ergonomic update/clean/sync workflows.
+
+local function orphans()
+  return vim
+    .iter(vim.pack.get())
+    :filter(function(x)
+      return not x.active
+    end)
+    :map(function(x)
+      return x.spec.name
+    end)
+    :totable()
+end
+
+local function clean()
+  local names = orphans()
+  if #names == 0 then
+    vim.notify("no orphan plugins", vim.log.levels.INFO)
+    return
+  end
+  vim.pack.del(names)
+end
+
+local function update()
+  vim.pack.update(nil, { force = true })
+end
+
+vim.api.nvim_create_user_command("PackClean", clean, {
+  desc = "Remove plugins not declared in vim.pack.add()",
+})
+
+vim.api.nvim_create_user_command("PackUpdate", update, {
+  desc = "Update all plugins without confirmation",
+})
+
+vim.api.nvim_create_user_command("PackSync", function()
+  clean()
+  update()
+end, {
+  desc = "Clean orphan plugins then update the rest",
+})