问题
Suddenly, from one command to the next, the Heroic CLI stopped working. No matter what I type into the command line, I get the same error. See below.
$heroku help
▸ commands is not a heroku command.
▸ Perhaps you meant domains
▸ Run heroku help for a list of available commands.
! error getting commands pid 24643 exit 127
What the heck is going on?
回答1:
this problem just happened with me after the last update of heroku CLI, heroku CLI check if there is updates after execute any command related with and when run updates the problem occurs because is not working with root permissions.
to fix this you need to reinstall heroku CLI
sudo apt-get remove heroku
sudo add-apt-repository "deb https://cli-assets.heroku.com/branches/stable/apt ./"
curl -fL https://cli-assets.heroku.com/apt/release.key | sudo apt-key add -
sudo apt-get update
sudo apt-get install heroku
and you probably need to add this path
PATH=$PATH:~/usr/bin
export PATH
回答2:
This just happened to me. I fixed it by removing the heroku app the same way i installed it. I had the gem installed, so i uninstalled that.
gem uninstall heroku
Then i used homebrew to reinstall it.
brew install heroku
and it worked.
回答3:
Something similar (although with a different error message) happened to me after updating my OS. On a Mac, make sure to install the CommandLineTools (with Xcode) after a major OS update!
来源：https://stackoverflow.com/questions/44333834/heroku-cli-suddenly-broken