git fetch --unshallow now only runs on CI

Author: s1hofmann

.build/build.sh

@@ -23,8 +23,11 @@ echo "Installing node version $nodeVersion"
 nvm install $nodeVersion
 echo "npm ci"
 npm ci
+# Unshallow on CI system for complete blame info
+if [[ "$CI" == "true" ]]; then
 echo "git fetch --unshallow"
 git fetch --unshallow
+fi
 echo "npm run compile"
 npm run compile
 echo "npm run coverage"