Update documentation on how to merge in new SQLite versions. No code change.

third_party/sqlite/google_update_sqlite.sh

-#!/bin/bash
-
-# NOTICE: sqlite is no longer kept in CVS. It is now stored in fossil, a VCS
-# built on top of sqlite (yay recursion). This script is kept as a reference
-# for how to manually do the merge.
-
-head -n 5 "$0"
-exit 1
-
-# A simple script to make it easier to merge in newer versions of sqlite.
-# It may not work perfectly, in which case, it at least serves as an outline
-# of the procedure to follow.
-
-if [ "$1" = "" ]; then
-  echo "Usage: $0 <Date to pull from CVS> [<merge tool>]"
-  echo "Example: $0 '2007/01/24 09:54:56'"
-  exit 1
-fi
-
-if [ ! -f VERSION_DATE ]; then
-  echo "You must run this script in the sqlite directory, i.e.:"
-  echo "\$ ./google_update_sqlite.sh"
-  exit 1
-fi
-
-if [ "$2" = "" ]; then
-  MERGE="kdiff3 -m"
-fi
-
-BASE_DATE=`cat VERSION_DATE`
-NEW_DATE="$1"
-
-cd ..
-echo "_____ Logging in to sqlite.org CVS (log in as anonymous)..."
-cvs -d :pserver:anonymous@www.sqlite.org:/sqlite login
-cvs -d :pserver:anonymous@www.sqlite.org:/sqlite checkout -P -D "$BASE_DATE" -d sqlite-base sqlite
-cvs -d :pserver:anonymous@www.sqlite.org:/sqlite checkout -P -D "$NEW_DATE" -d sqlite-latest sqlite
-
-echo "_____ Removing CVS directories..."
-find sqlite-base -type d -name CVS -execdir rm -rf {} + -prune
-find sqlite-latest -type d -name CVS -execdir rm -rf {} + -prune
-
-echo "_____ Running merge tool..."
-$MERGE sqlite-base sqlite-latest sqlite
-
-cd sqlite
-
-echo "_____ Updating VERSION_DATE to be $NEW_DATE ..."
-echo $NEW_DATE > VERSION_DATE
-
-echo "_____ Processing generated files..."
-./google_generate_preprocessed.sh