Auto add feature simulator to contract

Author: joii2020

add-debugger/src/contract-lib.rs

@@ -1,10 +1,6 @@
 #![cfg_attr(not(feature = "simulator"), no_std)]
 
 // This file will be automatically placed in the contract file, and rename to lib.rs
-// TODO
-//  Need to export main function.
-//  At the same time, you need to add a feature to the contract's Cargo.toml.
-//      simulator = ["ckb-std/simulator"]
 
 // #[cfg(feature = "simulator")]
 // pub mod entry;

workspace/Makefile

@@ -110,7 +110,10 @@ generate:
 		fi; \
 		sed '/@@INSERTION_POINT@@/s/$$/\n  "$(DESTINATION)\/$(CRATE)",/' Cargo.toml > Cargo.toml.new; \
 		mv Cargo.toml.new Cargo.toml; \
-	fi
+	fi; \
+	if [ "$(ALSO_ADD_DEBUGGER)" = "true" ]; then \
+		make -C ./ add-debugger; \
+	fi;
 
 add-debugger:
 	@set -eu; \

workspace/scripts/add-debugger

@@ -56,4 +56,11 @@ cd contracts/$CONTRACT_NAME
 cargo generate $2 $3 add-debugger -n $CONTRACT_NAME-dbg -d contract_name=$CONTRACT_NAME -d contract_crate_name=$CONTRACT_CRATE
 mv $CONTRACT_NAME-dbg/src/contract-lib.rs src/lib.rs
 echo "Finally, you need to add a feature to the contract's Cargo.toml:"
-echo "simulator = ["ckb-std/simulator"]"
+echo "simulator = ["ckb-std/simulator"]"
+
+FILE="Cargo.toml"
+if grep -q "\[features\]" "$FILE"; then
+    sed -i '/\[features\]/a\simulator = ["ckb-std/simulator"]' "$FILE"
+else
+    echo -e "\n[features]\nsimulator = [\"ckb-std/simulator\"]" >> "$FILE"
+fi