[swift-users] "swift package describe" performs fetch

Ankit Aggarwal ankit_aggarwal at apple.com
Mon Apr 10 10:38:51 CDT 2017

Hi Toni,

This looks like a bug, can you file a JIRA at bugs.swift.org?

On Thu, Apr 6, 2017 at 9:10 PM, Toni Suter via swift-users <
swift-users at swift.org> wrote:

> Hi everyone,
> I would like to obtain detailed information about a package and all its
> dependencies in an automated fashion. At first I thought that the
> two commands "swift package describe" and "swift package show-dependencies"
> are a perfect fit for that. More concretely,
> I wanted to perform the following commands:
> 1. Execute the command "swift package fetch" to make sure that all
> dependencies are downloaded
> 2. Execute the command "swift package show-dependencies --format json" to
> obtain a description of
> each package (i.e., name, path, etc.) as well as the dependency
> relationship between the packages.
> 3. For each package, do the following to obtain information about the
> modules in that package:
> cd path-of-package
> swift package describe --type json
> However, if a package has dependencies, the command "swift package
> describe --type json" will perform another fetch.
> I am not sure why this is necessary since the output of that command only
> contains information about the individual modules of
> the package. Unfortunately, this means that the same dependencies are
> downloaded multiple times if a package's dependencies have
> themselves further dependencies, which makes the process above quite slow.
> Is this a bug or is there another way to retrieve the same information?
> Thanks and best regards
> Toni
> _______________________________________________
> swift-users mailing list
> swift-users at swift.org
> https://lists.swift.org/mailman/listinfo/swift-users
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