update packages and add valign

lisp/org/git-hooks/pre-commit

@@ -0,0 +1,83 @@
+#!/bin/sh
+# Check file names in git commits for Org mode.
+
+# Copyright 2014-2026 Free Software Foundation, Inc.
+
+# This file is part of Org mode.
+
+# Org mode is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# Org mode is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with Org mode.  If not, see <https://www.gnu.org/licenses/>.
+
+LC_ALL=C
+export LC_ALL
+
+# If this is a system where /bin/sh isn't sufficient to
+# run git-sh-setup, use a working shell as a recourse.
+if test -x "/usr/xpg4/bin/sh" && test -z "$POSIX_SHELL"; then
+    POSIX_SHELL=1
+    export POSIX_SHELL
+    exec "/usr/xpg4/bin/sh" `dirname $0`/pre-commit
+fi
+
+exec >&2
+
+. git-sh-setup
+
+# When doing a two-way merge, ignore problems that came from the other
+# side of the merge.
+head=HEAD
+if test -r "$GIT_DIR"/MERGE_HEAD && test "$GIT_MERGE_CHECK_OTHER" != true; then
+  merge_heads=`cat "$GIT_DIR"/MERGE_HEAD` || exit
+  for merge_head in $merge_heads; do
+    case $head in
+      HEAD) head=$merge_head;;
+      # For multi-head merges, there's no easy way to ignore merged-in
+      # changes.  But if you're doing multi-head merges, presumably
+      # you know how to handle any ensuing problems.
+      *) head=HEAD; break;;
+    esac
+  done
+fi
+
+git_diff='git diff --cached --name-only --diff-filter=A'
+
+# 'git diff' will backslash escape tabs and newlines, so we don't have
+# to worry about word splitting here.
+$git_diff $head |
+LC_ALL=C grep -E 'ChangeLog|^-|/-|[^-+./_0-9A-Z_a-z]' |
+while IFS= read -r new_name; do
+  case $new_name in
+    -* | */-*)
+      echo "$new_name: File name component begins with '-'."
+      exit 1;;
+    ChangeLog.android)
+      # This file is explicitly ok.
+      ;;
+    ChangeLog | */ChangeLog)
+      echo "$new_name: Please use git commit messages, not ChangeLog files."
+      exit 1;;
+    *)
+      echo "$new_name: File name does not consist of -+./_ or ASCII letters or digits."
+      exit 1;;
+  esac
+done
+
+# The '--check' option of git diff-index makes Git complain if changes
+# introduce whitespace errors.  This can be a pain when editing test
+# files that deliberately contain lines with trailing whitespace.
+# To work around the problem you can run a command like 'git config
+# core.whitespace -trailing-space'.  It may be better to revamp the
+# tests so that trailing spaces are generated on the fly rather than
+# being committed as source.
+
+exec git diff-index --check --cached $head --