class Heroku::Command::Stack
manage the stack for an app
Public Instance Methods
index()
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stack show the list of available stacks
Example:
$ heroku stack === example Available Stacks cedar-10 * cedar-14
# File lib/heroku/command/stack.rb, line 19 def index validate_arguments! stacks_data = api.get_stack(app).body styled_header("#{app} Available Stacks") stacks = stacks_data.map do |stack| row = [stack['current'] ? '*' : ' ', Codex.out(stack['name'])] row << '(beta)' if stack['beta'] row << '(deprecated)' if stack['deprecated'] row << '(prepared, will migrate on next git push)' if stack['requested'] row.join(' ') end styled_array(stacks) end
set()
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stack:set STACK
set new app stack
# File lib/heroku/command/stack.rb, line 39 def set unless stack = Codex.in(shift_argument) error("Usage: heroku stack:set STACK.\nMust specify target stack.") end api.put_stack(app, stack) display "Stack set. Next release on #{app} will use #{Codex.out(stack)}." display "Run `git push heroku master` to create a new release on #{Codex.out(stack)}." end