Unable to run demo on Macbook Air M2

[Ross G]

Hi, I was hoping to evaluate GoCD but am unable to run the Test Drive on a new M2 Macbook

Following the instructions I downloaded the MacOS version

curl -fsSL 'https://www.gocd.org/test-drive-gocd/try.sh' | bash -s 'https://download.gocd.org/test-drive/installers/22.2.0/14697/gocd-22.2.0-14697-1779-osx.zip'

However this error occurs

Cached gocd-22.2.0-14697-1779-osx.zip matches checksum; no need to freshen the download

Unpacking archive gocd-22.2.0-14697-1779-osx.zip

Entering directory gocd-22.2.0-14697-1779

Executing run-gocd

bash: line 53: ./run-gocd: Bad CPU type in executable

Is there a trick to getting it working on new Apple Silicon?

Thanks

[Chad Wilson]

Hmm I don't have an Apple Silicon machine to validate with, but there is probably some magic required to make sure Rosetta 2 can kick in? The test drive binary is not compiled for arm64 (and not packahed with arm64 JVM) so it'd rely on Rosetta to run as x64 for now.

What if you prefix bash -s with `arch -x86_64` or create a separate terminal running under Rosetta? https://medium.com/swlh/run-x86-terminal-apps-like-homebrew-on-your-new-m1-mac-73bdc9b0f343

-Chad

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[Ross G]

Thanks! prefixing with arch -x86_64 did the trick

Also for anyone else facing this issue, my new Macbook was so new it did not even have rosetta installed. You can install it with

/usr/sbin/softwareupdate --install-rosetta

[Chad Wilson]

Thanks for confirming!

I have some background work at https://github.com/gocd/gocd/pull/10888 going on to produce at least Mac arm64 builds/installers, but in the meantime, I can probably change the try.sh script to set the intended arch when launching to avoid the need for this workaround.

What's the behaviour/error you see if you try and switch the arch like suggested without Rosetta being installed/available?

-Chad

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[Ross G]

I've had a closer look now and apologies for the confusion, however the only thing that was needed was rosetta to be installed. 

Using `arch -x86_64` makes no difference either way.

Without rosetta, you see the error bash: line 53: ./run-gocd: Bad CPU type in executable

With rosetta installed, the test drive package is working just fine

Thanks