update Makefile

Author: tanzaku

Makefile

@@ -1,6 +1,9 @@
 ROOT_DIR := $(dir $(realpath $(lastword $(MAKEFILE_LIST))))
 
-prepare-source: clean
+prepare-source: prepare-original-source
+	patch -p1 < $(ROOT_DIR)/patches/patch_scan.patch
+
+prepare-original-source: clean
 	mkdir -p ./tmp
 	cd ./tmp; git clone -b 16-latest --depth=1 [email protected]:pganalyze/libpg_query.git
 	sed -i 's/sed -i ""/sed -i/g' ./tmp/libpg_query/Makefile
@@ -10,7 +13,6 @@ prepare-source: clean
 	cp $(ROOT_DIR)tmp/libpg_query/tmp/postgres/src/backend/parser/scan.l $(ROOT_DIR)crates/lexer-generator/resources
 	cp $(ROOT_DIR)tmp/libpg_query/tmp/postgres/src/include/parser/kwlist.h $(ROOT_DIR)crates/lexer-generator/resources
 	cp $(ROOT_DIR)tmp/libpg_query/tmp/postgres/src/backend/parser/gram.y $(ROOT_DIR)crates/parser-generator/resources
-	patch -p1 < $(ROOT_DIR)/patches/patch_scan.patch
 
 clean:
 	-@ rm -rf ./tmp