我正在尝试在我的 Mac（具有所有更新的最新操作系统）上安装 Ruby 版本 2.7.2 并执行以下操作
brew update
brew upgrade rbenv ruby-build
and then
rbenv install 2.7.2
ruby-build: definition not found: 2.7.2
See all available versions with `rbenv install --list'.
If the version you need is missing, try upgrading ruby-build:
brew update && brew upgrade ruby-build
所以我尝试按照上面的说明进行操作并得到这个
brew update && brew upgrade ruby-build
Already up-to-date.
Warning: ruby-build 20200926 already installed
您需要安装最新的ruby-build
$ brew unlink ruby-build # remove STABLE version
$ brew install --HEAD ruby-build
$ rbenv install -l | grep '2.7.2'
2.7.2
Only latest stable releases for each Ruby implementation are shown.
Use 'rbenv install --list-all' to show all local versions.
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