From a2bb63c182bfb5b2f4888d9528cb25490b3de41f Mon Sep 17 00:00:00 2001
From: Daniel Hahler <git@thequod.de>
Date: Sun, 9 Jun 2019 16:01:19 +0200
Subject: [PATCH] vim-patch.sh: improve performance with -l  [ci skip] #10165

Down to < 1s now also (without get_vim_sources).
---
 scripts/vim-patch.sh | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/scripts/vim-patch.sh b/scripts/vim-patch.sh
index a9e9c5d6c3..43af437c2b 100755
--- a/scripts/vim-patch.sh
+++ b/scripts/vim-patch.sh
@@ -425,8 +425,13 @@ show_vimpatches() {
   get_vim_sources
   printf "\nVim patches missing from Neovim:\n"
 
+  local -A runtime_commits
+  for commit in $(git -C "${VIM_SOURCE_DIR}" log --format="%H %D" -- runtime | sed 's/,\? tag: / /g'); do
+    runtime_commits[$commit]=1
+  done
+
   list_missing_vimpatches | while read -r vim_commit; do
-    if [ -n "$(git -C "$VIM_SOURCE_DIR" diff-tree --no-commit-id --name-only  "${vim_commit}" -- runtime)" ]; then
+    if [[ "${runtime_commits[$vim_commit]-}" ]]; then
       printf '  • %s (+runtime)\n' "${vim_commit}"
     else
       printf '  • %s\n' "${vim_commit}"