Consider adding "pipenv outdated" as an alias for "pipenv update --outdated"

[K900]

Pipenv doesn't support outdated as a separate subcommand, making the functionality sort of hard to reach. Yarn, npm, Composer, RubyGems, Bundler and Cargo (via a third party plugin) all support $package_manager outdated directly. It would be nice for Pipenv to be consistent here, as many people working on full stack projects probably have muscle memory for it (I know I do :) ).

[techalchemy]

This is a good suggestion and a good reason. I'll triage it with Kenneth and see what he thinks

[uranusjr]

Probably worth considering whether we should keep update --outdated, or remove it in favour of outdated (maybe through a deprecation cycle).

[charlax]

What would be nice too would be to take inspiration from yarn's outdated command, which uses a color code (for semver updates) and includes as link to the project (super useful to check the changelog):

% yarn outdated
yarn outdated v1.17.3
info Color legend :
 "<red>"    : Major Update backward-incompatible updates
 "<yellow>" : Minor Update backward-compatible features
 "<green>"  : Patch Update backward-compatible bug fixes
Package                Current Wanted Latest Package Type    URL
@babel/core            7.5.0   7.5.4  7.5.4  devDependencies https://babeljs.io/

[matteius]

Noting here that this issue is rather old at this point, but also there is a recent issue with an open PR that seems to be fulfilling a very similar ask to this by adding an out dated check. #4893

Perhaps we should close this issue and rally behind the open PR?

[matteius]

#4893 had been merged in and next release of pipenv (or running the master branch) gives you the pipenv verify command. I am closing this issue out as I believe that command covers this use case. The command doesn't currently doesn't output which things are outdated but that could be a potential future enhancement. Right now you get:

$ pipenv verify
Pipfile.lock is up-to-date.

or

$ pipenv verify
Pipfile.lock is out-of-date. Run $ pipenv lock to update.