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Makefile

@@ -1,6 +1,6 @@
 .PHONY: all
 
-all: info
+all: info gen-version
 
 branch := $(shell git rev-parse --abbrev-ref HEAD)
 commit := $(shell git rev-parse --short HEAD)
@@ -9,3 +9,11 @@ info:
 	@echo 'SHELL='$(SHELL)
 	@echo 'branch='$(branch)
 	@echo 'commit='$(commit)
+
+gen-version:
+	git describe --tags --always
+	git describe --tags --always | sed 's/v/ /g' | sed 's/\./ /g' | sed 's/-/ /g' | awk '{print ($$1*16777216)+($$2*65536)+($$3*256)+$$4}'
+
+#make gen v=v2.0.0
+gen:
+	echo $(v) | sed 's/v/ /g' | sed 's/\./ /g' | sed 's/-/ /g' | awk '{print "{\"version_code\": " ($$1*16777216)+($$2*65536)+($$3*256)+$$4 ", \"version_name\": \"" "v$(v)" "\"}"}' > version.json