externalTests/solc-js: Allow using a local checkout of solc-js

Author: cameel

test/externalTests/common.sh

@@ -71,15 +71,23 @@ function setup_solc
     local binary_path="$3"
     local solcjs_branch="${4:-master}"
     local install_dir="${5:-solc/}"
+    local solcjs_dir="$6"
 
     [[ $binary_type == native || $binary_type == solcjs ]] || assertFail
+    [[ $binary_type == solcjs || $solcjs_dir == "" ]] || assertFail
 
     cd "$test_dir"
 
     if [[ $binary_type == solcjs ]]
     then
         printLog "Setting up solc-js..."
-        git clone --depth 1 -b "$solcjs_branch" https://github.com/ethereum/solc-js.git "$install_dir"
+        if [[ $solcjs_dir == "" ]]; then
+            printLog "Cloning branch ${solcjs_branch}..."
+            git clone --depth 1 -b "$solcjs_branch" https://github.com/ethereum/solc-js.git "$install_dir"
+        else
+            printLog "Using local solc-js from ${solcjs_dir}..."
+            cp -ra "$solcjs_dir" solc
+        fi
 
         pushd "$install_dir"
         npm install

test/externalTests/solc-js/solc-js.sh

@@ -26,16 +26,17 @@ source test/externalTests/common.sh
 
 SOLJSON="$1"
 VERSION="$2"
+SOLCJS_CHECKOUT="$3" # optional
 
-[[ $SOLJSON != "" && -f "$SOLJSON" && $VERSION != "" ]] || fail "Usage: $0 <path to soljson.js> <version>"
+[[ $SOLJSON != "" && -f "$SOLJSON" && $VERSION != "" ]] || fail "Usage: $0 <path to soljson.js> <version> [<path to solc-js>]"
 
 function solcjs_test
 {
     TEST_DIR=$(pwd)
     SOLCJS_INPUT_DIR="$TEST_DIR"/test/externalTests/solc-js
 
     # set up solc-js on the branch specified
-    setup_solc "$DIR" solcjs "$SOLJSON" master solc/
+    setup_solc "$DIR" solcjs "$SOLJSON" master solc/ "$SOLCJS_CHECKOUT"
     cd solc/
 
     printLog "Updating index.js file..."