add new app buildpack, inserting into list of buildpacks if necessary
heroku buildpacks
heroku buildpacks:add URL
heroku buildpacks:clear
heroku buildpacks:remove [URL]
heroku buildpacks:set URL
display the buildpack_url(s) for an app
USAGE
$ heroku buildpacks
OPTIONS
-a, --app=app (required) app to run command against
-r, --remote=remote git remote of app to use
EXAMPLES
$ heroku buildpacks -a myapp
=== myapp Buildpack URL
heroku/ruby
add new app buildpack, inserting into list of buildpacks if necessary
USAGE
$ heroku buildpacks:add URL
OPTIONS
-a, --app=app (required) app to run command against
-i, --index=index the 1-based index of the URL in the list of URLs
-r, --remote=remote git remote of app to use
EXAMPLES
$ heroku buildpacks:add -i 1 https://github.com/heroku/heroku-buildpack-ruby
clear all buildpacks set on the app
USAGE
$ heroku buildpacks:clear
OPTIONS
-a, --app=app (required) app to run command against
-r, --remote=remote git remote of app to use
remove a buildpack set on the app
USAGE
$ heroku buildpacks:remove [URL]
OPTIONS
-a, --app=app (required) app to run command against
-i, --index=index the 1-based index of the URL to remove from the list of URLs
-r, --remote=remote git remote of app to use
set new app buildpack, overwriting into list of buildpacks if necessary
USAGE
$ heroku buildpacks:set URL
OPTIONS
-a, --app=app (required) app to run command against
-i, --index=index the 1-based index of the URL in the list of URLs
-r, --remote=remote git remote of app to use
EXAMPLES
$ heroku buildpacks:set -i 1 heroku/ruby