REACT_SHA=$(cd node_modules/matrix-react-sdk && git rev-parse --short=12 HEAD)# use the ACTUAL SHA rather than assume develop
tar -zcvhf vector-$GIT_COMMIT-react-$REACT_SHA.tar.gz vector #g[z]ip, [c]reate archive, [v]erbose, [f]ilename, [h]ard-dereference (do not archive symlinks)