fix Makefile

Signed-off-by: Naohiro Yoshida <naohiro.yoshida@datachain.jp>

Author: Naohiro Yoshida

Makefile

@@ -1,12 +1,12 @@
+SED := $(shell command -v gsed >/dev/null 2>&1 && echo gsed || echo sed)
+
 .PHONY: chain
 chain:
-	git clone --depth 1 -b v1.13.4 https://github.com/ethereum-optimism/optimism ./chain
-	sed 's/teku/lodestar\n      cl_image: chainsafe\/lodestar:v1.31.0\n      vc_image: chainsafe\/lodestar:v1.31.0/g' chain/kurtosis-devnet/simple.yaml > chain/kurtosis-devnet/simple.yaml.tmp
-	sed 's/minimal/minimal\n    electra_fork_epoch: 0/g' chain/kurtosis-devnet/simple.yaml.tmp > chain/kurtosis-devnet/simple.yaml.tmp2
-	mv chain/kurtosis-devnet/simple.yaml.tmp2 chain/kurtosis-devnet/simple.yaml
+#	git clone --depth 1 -b v1.13.4 https://github.com/ethereum-optimism/optimism ./chain
+	$(SED) -i 's/teku/lodestar\n      cl_image: chainsafe\/lodestar:v1.31.0\n      vc_image: chainsafe\/lodestar:v1.31.0/g' chain/kurtosis-devnet/simple.yaml
+	$(SED) -i 's/minimal/minimal\n    electra_fork_epoch: 0/g' chain/kurtosis-devnet/simple.yaml
 	# change ethereum-packages
-	sed 's/83830d44823767af65eda7dfe6b26c87c536c4cf/6d29b3ab4e729913188358bc7a4ccdba9cf1e767/g' chain/kurtosis-devnet/optimism-package-trampoline/kurtosis.yml > chain/kurtosis-devnet/optimism-package-trampoline/kurtosis.yml2
-	mv chain/kurtosis-devnet/optimism-package-trampoline/kurtosis.yml2 chain/kurtosis-devnet/optimism-package-trampoline/kurtosis.yml
+	$(SED) -i 's/83830d44823767af65eda7dfe6b26c87c536c4cf/6d29b3ab4e729913188358bc7a4ccdba9cf1e767/g' chain/kurtosis-devnet/optimism-package-trampoline/kurtosis.yml
 
 .PHONY: devnet-up
 devnet-up: