From 63cf2a52bd46019914fc41160c9601db06fdd469 Mon Sep 17 00:00:00 2001
From: Folke Lemaitre <folke.lemaitre@gmail.com>
Date: Tue, 29 Nov 2022 08:23:23 +0100
Subject: [PATCH] feat: added "Lazy check" to check for updates without
 updating

---
 README.md                    |  4 ++--
 lua/lazy/manage/init.lua     | 14 ++++++++++++++
 lua/lazy/manage/task/git.lua |  8 ++++++--
 lua/lazy/view/commands.lua   |  3 +++
 4 files changed, 25 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 8750a36..fb3e782 100644
--- a/README.md
+++ b/README.md
@@ -12,8 +12,8 @@
 - [x] Config in multiple files
 - [x] Patterns for local packages
 - [x] Profiling
-- [ ] lockfile
-- [ ] check for updates
+- [x] lockfile
+- [x] check for updates
 - [ ] package.lua
 - [ ] package-lock.lua
 - [x] tag/version support `git tag --sort version:refname`
diff --git a/lua/lazy/manage/init.lua b/lua/lazy/manage/init.lua
index eb7fd50..b272c07 100644
--- a/lua/lazy/manage/init.lua
+++ b/lua/lazy/manage/init.lua
@@ -83,6 +83,20 @@ function M.update(opts)
   end)
 end
 
+function M.check(opts)
+  opts = opts or {}
+  M.run({
+    pipeline = {
+      "git.fetch",
+      "wait",
+      { "git.log", check = true },
+    },
+    plugins = function(plugin)
+      return plugin.uri and plugin._.installed
+    end,
+  }, opts)
+end
+
 ---@param opts? ManagerOpts
 function M.log(opts)
   M.run({
diff --git a/lua/lazy/manage/task/git.lua b/lua/lazy/manage/task/git.lua
index b2f8ceb..71f73a3 100644
--- a/lua/lazy/manage/task/git.lua
+++ b/lua/lazy/manage/task/git.lua
@@ -6,14 +6,14 @@ local Lock = require("lazy.manage.lock")
 local M = {}
 
 M.log = {
-  ---@param opts {since?: string, updated?:boolean}
+  ---@param opts {since?: string, updated?:boolean, check?: boolean}
   skip = function(plugin, opts)
     if opts.updated and not (plugin._.updated and plugin._.updated.from ~= plugin._.updated.to) then
       return true
     end
     return not Util.file_exists(plugin.dir .. "/.git")
   end,
-  ---@param opts {since?: string, updated?:boolean}
+  ---@param opts {since?: string, updated?:boolean, check?:boolean}
   run = function(self, opts)
     local args = {
       "log",
@@ -26,6 +26,10 @@ M.log = {
 
     if opts.updated then
       table.insert(args, self.plugin._.updated.from .. ".." .. (self.plugin._.updated.to or "HEAD"))
+    elseif opts.check then
+      local info = assert(Git.info(self.plugin.dir))
+      local target = assert(Git.get_target(self.plugin))
+      table.insert(args, info.commit .. ".." .. target.commit)
     else
       table.insert(args, "--since=" .. (opts.since or "7 days ago"))
     end
diff --git a/lua/lazy/view/commands.lua b/lua/lazy/view/commands.lua
index 0a9c037..bfc2deb 100644
--- a/lua/lazy/view/commands.lua
+++ b/lua/lazy/view/commands.lua
@@ -40,6 +40,9 @@ M.commands = {
   update = function()
     Manage.update({ clear = true, interactive = true })
   end,
+  check = function()
+    Manage.check({ clear = true, interactive = true })
+  end,
   restore = function()
     Manage.update({ clear = true, interactive = true, lockfile = true })
   end,