fix PATH env var

.sandstorm/preprcbuild.sh

@@ -2,10 +2,8 @@
 
 set -euo pipefail
 
-export SANDSTORM_VERSION=$(curl -f "https://install.sandstorm.io/dev?from=0&type=install")
 cd /tmp
 curl https://dl.sandstorm.io/sandstorm-$SANDSTORM_VERSION.tar.xz | tar -xJf -
-export PATH=$PATH:${PWD}/sandstorm-$SANDSTORM_VERSION/bin
 sudo mkdir -p /home/vagrant
 sudo chown -R travis /home/vagrant
 sudo mkdir -p /opt

.travis.yml

@@ -12,6 +12,8 @@ before_install:
 - mkdir -p node_modules
 - cd $TRAVIS_BUILD_DIR
 - mkdir ../build
+- export SANDSTORM_VERSION=$(curl -f "https://install.sandstorm.io/dev?from=0&type=install")
+- export PATH=$PATH:/tmp/sandstorm-$SANDSTORM_VERSION/bin
 - cd .sandstorm
 - ./preprcbuild.sh
 script: