#!/bin/sh
#
# This script is based on the sqlite publish.sh script. It is used to
# generate autogenerated SQLite files for release builds.
#

# Create a temporary directory to hold the generated files
tmp_dir="`dirname $0`/s_sql.tmp"
mkdir -p "$tmp_dir"
cd "$tmp_dir"

# Paths are relative to dist/s_sql.tmp.
# Use relative paths, so that s_sql can be run on Windows (the SQLite make
# step uses Tcl, which requires a relative path to work under cygwin).
sqldir=../../lang/sql/sqlite
destdir=../../lang/sql/generated

copy_if_changes()
{
	f1="$1"
	f2="$2"
	cmp $f1 $f2 > /dev/null 2>&1 ||
	(rm -f $f1 && cp $f2 $f1 && echo "Updated $f1")
}

mkdir -p $destdir
$sqldir/configure
make sqlite3.c

copy_if_changes "$destdir/sqlite3.c" "sqlite3.c" 
copy_if_changes "$destdir/sqlite3.h" "sqlite3.h" 

# Auto-generated files used in the Windows build.
copy_if_changes "$destdir/keywordhash.h" "keywordhash.h" 
copy_if_changes "$destdir/opcodes.c" "opcodes.c" 
copy_if_changes "$destdir/opcodes.h" "opcodes.h" 
copy_if_changes "$destdir/parse.c" "parse.c" 
copy_if_changes "$destdir/parse.h" "parse.h" 

cd ..
rm -rf "$tmp_dir"