v2.5.0

Features

• Verify the Terraform release checksums against HashiCorp's PGP signature when gpg is available, see CHTF_VERIFY_SIGNATURE and CHTF_GPG_KEY (#38)

Fixes

• Refuse plain HTTP downloads also with wget (#38)
• Speed up shell startup by preferring HOMEBREW_REPOSITORY over the slow brew --repo call (#35)
• Support sourcing and using chtf with set -u enabled in bash and zsh (#35)
• Fix listing of prerelease versions installed as Casks, e.g. 0.10.0-rc1 (#36)