I needed to install an older version of Terraform on my work Mac, but got this error:
Error: terraform@0.12 has been disabled because it is not supported upstream!
I tried to edit terraform@0.12 and tried to install without success. This is what worked:
HOMEBREW_NO_INSTALL_FROM_API=1 brew install terraform@0.12
? Source brew install terraform@0.12
Error: terraform@0.12 has been disabled because it is not supported upstream!
? Source HOMEBREW_NO_INSTALL_FROM_API=1 brew install terraform@0.12
==> Fetching terraform@0.12
==> Downloading https://ghcr.io/v2/homebrew/core/terraform/0.12/manifests/0.12.31
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==> Downloading https://ghcr.io/v2/homebrew/core/terraform/0.12/blobs/sha256:21aa5de3857889453b4ec7ed810df350b22838cda61baa7e6db6a0c3946d5891
==> Downloading from https://pkg-containers.githubusercontent.com/ghcr1/blobs/sha256:21aa5de3857889453b4ec7ed810df350b22838cda61baa7e6db6a0c3946d5891?se=2023-05-16T20%3A55%3A00Z&sig=Cdb%2F%2FXmhPJNspNN6FdcDiFLysIMJiYZvKxCH
####################################################################################################################################################################################################################### 100.0%
==> Pouring terraform@0.12--0.12.31.monterey.bottle.tar.gz
==> Caveats
terraform@0.12 is keg-only, which means it was not symlinked into /usr/local,
because this is an alternate version of another formula.If you need to have terraform@0.12 first in your PATH, run:
echo ‘export PATH=”/usr/local/opt/terraform@0.12/bin:$PATH”‘ >> ~/.zshrc
==> Summary
? /usr/local/Cellar/terraform@0.12/0.12.31: 6 files, 42.7MB
==> Running `brew cleanup terraform@0.12`…
Disable this behaviour by setting HOMEBREW_NO_INSTALL_CLEANUP.
Hide these hints with HOMEBREW_NO_ENV_HINTS (see `man brew`).
? Source terraform version
Terraform v0.12.31
Your version of Terraform is out of date! The latest version
is 1.4.6. You can update by downloading from https://www.terraform.io/downloads.html