The bug on shell script when install aeraki

[pinxiong]

Describe the bug

I want to install aeraki project, but failed because of the bug on demo/install-aeraki

To Reproduce
Steps to reproduce the behavior:

1. Download aeraki

$ git clone https://github.com/aeraki-mesh/aeraki.git

2. Setup environment

$ cd aeraki
$ export AERAKI_VERSION=1.1.0

3. Install

$ make install

Expected behavior

There is no error in the whole process of installation.

Screenshots

$ aeraki git:(master) make install
bash demo/install-aeraki.sh
demo/install-aeraki.sh: line 29: export: `=Always': not a valid identifier
+ '[' -z latest ']'
+ '[' -z '' ']'
+ export AERAKI_ISTIOD_ADDR=istiod.istio-system:15010
+ AERAKI_ISTIOD_ADDR=istiod.istio-system:15010
+ '[' -z '' ']'
+ export AERAKI_NAMESPACE=istio-system
+ AERAKI_NAMESPACE=istio-system
+ '[' -z '' ']'
+ export AERAKI_IS_MASTER=true
+ AERAKI_IS_MASTER=true
+ '[' -z '' ']'
+ export AERAKI_ENABLE_ENVOY_FILTER_NS_SCOPE=false
+ AERAKI_ENABLE_ENVOY_FILTER_NS_SCOPE=false
+ mkdir -p /Users/pinxiong/.aeraki
+ envsubst
+ '[' '' == mode=tcm ']'
+ kubectl delete crd applicationprotocols.metaprotocol.aeraki.io
Error from server (NotFound): customresourcedefinitions.apiextensions.k8s.io "applicationprotocols.metaprotocol.aeraki.io" not found
+ true
+ kubectl apply -f demo/../test/e2e/scripts/../../../k8s/crd.yaml