I am testing btcpayserver-docker on Mac: immediate roadblock

[ArmanTheParman]

Running on iMac late 2015, Big Sur 11.2.3.

I exported several variables. Cloned the latest repository Sourced setup as root first, was disallowed (because Mac), then as regular user...

. ./btcpay-setup.sh -i

Response:

./btcpay-setup.sh:116: bad math expression: illegal character: "

Followed by script usage information.

I inspected line 116; it's a while command, and it looks fine syntactically. I commented out the while loop and cases, and just set the START variable to true. Also HAS_DOCKER=true (then repeated with false). The script runs but then fails:

./btcpay-setup.sh:545: command not found: btcpay_up ./btcpay-setup.sh:558: command not found: install_tooling

I then branched into "stable" - same issue.