run tests only when changes in folder #6208

scripts/travis/script.sh

@@ -4,20 +4,41 @@ if [[ $TOXENV == *"remote"* ]]; then
   ./go selenium-server-standalone
 fi
 
+# Tests will be run only when each folder, such as /py, is modified
 if [[ ! -z $TOXENV ]]; then
-  tox -c py/tox.ini
+  if git diff --name-only HEAD~1| grep '^py/' >/dev/null; then
+    tox -c py/tox.ini
+  fi
 fi
 
 # Ordering matters here. We want rake tasks to run first
 if [[ ! -z $TASK ]]; then
-  ./go $TASK
+  if [[ $TASK == //rb:* ]]; then
+     if git diff --name-only HEAD~1| grep '^rb/' >/dev/null; then
+       ./go $TASK
+     fi
+  else
+    ./go $TASK
+  fi
 fi
 
 if [[ ! -z "$BUCK" ]]; then
-  ./buckw $BUCK
+  if [[ $BUCK == test\ //javascript/* ]]; then
+     if git diff --name-only HEAD~1| grep '^javascript/' >/dev/null; then
+       ./buckw $BUCK
+     fi
+  elif [[ $BUCK == test\ * ]]; then
+     if git diff --name-only HEAD~1| grep '^java/' >/dev/null; then
+       ./buckw $BUCK
+     fi
+  else
+    ./buckw $BUCK
+  fi
 fi
 
 if [[ ! -z "$NPM" ]]; then
-  ./go node:atoms
-  cd javascript/node/selenium-webdriver; npm install; npm run $NPM
+  if git diff --name-only HEAD~1| grep '^javascript/' >/dev/null; then
+    ./go node:atoms
+    cd javascript/node/selenium-webdriver; npm install; npm run $NPM
+  fi
 fi