externalTests: Neutralize npm hooks instead of replacing pragmas twice

- This also has the nice effect of stopping projects from trying to compile contracts during installation

Author: cameel

test/externalTests/colony.sh

@@ -41,8 +41,7 @@ function colony_test
     setup_solcjs "$DIR" "$SOLJSON"
     download_project "$repo" "$branch" "$DIR"
 
-    replace_version_pragmas
-    force_truffle_solc_modules "$SOLJSON"
+    neutralize_package_json_hooks
     force_truffle_compiler_settings "$config_file" "${DIR}/solc" "$min_optimizer_level"
     yarn
     git submodule update --init

test/externalTests/common.sh

@@ -104,6 +104,14 @@ function neutralize_package_lock
     rm --force --verbose package-lock.json
 }
 
+function neutralize_package_json_hooks
+{
+    printLog "Disabling package.json hooks..."
+    [[ -f package.json ]] || fail "package.json not found"
+    sed -i 's|"prepublish": *".*"|"prepublish": ""|g' package.json
+    sed -i 's|"prepare": *".*"|"prepare": ""|g' package.json
+}
+
 function force_truffle_solc_modules
 {
     local soljson="$1"

test/externalTests/ens.sh

@@ -45,8 +45,7 @@ function ens_test
     force_truffle_version ^5.1.55
 
     neutralize_package_lock
-    replace_version_pragmas
-    force_truffle_solc_modules "$SOLJSON"
+    neutralize_package_json_hooks
     force_truffle_compiler_settings "$config_file" "${DIR}/solc" "$min_optimizer_level"
     npm install
 

test/externalTests/gnosis-v2.sh

@@ -46,8 +46,7 @@ function gnosis_safe_test
     sed -i -E 's|"@gnosis.pm/util-contracts": "[^"]+"|"@gnosis.pm/util-contracts": "github:solidity-external-tests/util-contracts#solc-7_080"|g' package.json
 
     neutralize_package_lock
-    replace_version_pragmas
-    force_truffle_solc_modules "$SOLJSON"
+    neutralize_package_json_hooks
     force_truffle_compiler_settings "$config_file" "${DIR}/solc" "$min_optimizer_level"
     npm install --package-lock
 

test/externalTests/gnosis.sh

@@ -44,8 +44,7 @@ function gnosis_safe_test
     sed -i 's|github:gnosis/mock-contract#sol_0_5_0|github:solidity-external-tests/mock-contract#master_080|g' package.json
 
     neutralize_package_lock
-    replace_version_pragmas
-    force_truffle_solc_modules "$SOLJSON"
+    neutralize_package_json_hooks
     force_truffle_compiler_settings "$config_file" "${DIR}/solc" "$min_optimizer_level"
     npm install --package-lock
 

test/externalTests/zeppelin.sh

@@ -41,8 +41,7 @@ function zeppelin_test
     setup_solcjs "$DIR" "$SOLJSON"
     download_project "$repo" "$branch" "$DIR"
 
-    replace_version_pragmas
-    force_truffle_solc_modules "$SOLJSON"
+    neutralize_package_json_hooks
     force_truffle_compiler_settings "$config_file" "${DIR}/solc" "$min_optimizer_level"
     npm install