fix(git): properly compare git commits with short refs

lua/lazy/manage/checker.lua

@@ -22,7 +22,7 @@ function M.fast_check(opts)
       plugin._.updates = nil
       local info = Git.info(plugin.dir)
       local ok, target = pcall(Git.get_target, plugin)
-      if ok and info and target and info.commit ~= target.commit then
+      if ok and info and target and not Git.eq(info, target) then
         plugin._.updates = { from = info, to = target }
       end
     end

lua/lazy/manage/git.lua

@@ -32,6 +32,14 @@ function M.info(repo, details)
   end
 end
 
+---@param a GitInfo
+---@param b GitInfo
+function M.eq(a, b)
+  local ra = a.commit and a.commit:sub(1, 7)
+  local rb = b.commit and b.commit:sub(1, 7)
+  return ra == rb
+end
+
 function M.head(repo)
   return Util.head(repo .. "/.git/HEAD")
 end

lua/lazy/manage/task/git.lua

@@ -41,7 +41,7 @@ M.log = {
         error("no target commit found")
       end
       assert(target.commit, self.plugin.name .. " " .. target.branch)
-      if target.commit ~= info.commit then
+      if not Git.eq(info, target) then
         self.plugin._.updates = { from = info, to = target }
       end
       table.insert(args, info.commit .. ".." .. target.commit)
@@ -165,7 +165,7 @@ M.checkout = {
 
     -- dont run checkout if target is already reached.
     -- unless we just cloned, since then we won't have any data yet
-    if info.commit == target.commit and info.branch == target.branch then
+    if Git.eq(info, target) and info.branch == target.branch then
       self.plugin._.updated = {
         from = info.commit,
         to = info.commit,