extra-deps' clones as many times the repository as there are subdirs #5411
Description
General summary/comments (optional)
When I specify, in extra-deps, a repository with many subdirs, the repository is clone many times.
Steps to reproduce
Build a project with this package.yml part:
extra-deps:
- git: https://github.com/theam/aws-lambda-haskell-runtime.git
commit: 6aef017c1621c828a47dc98eae12d84818a8d45c
- git: https://github.com/brendanhay/amazonka.git
commit: 020bc7bde47bb235e448c76088dc44d6cec13e9b
subdirs:
- gen
- core
- test
- examples
- amazonka
Expected
I expect only one cloning.
Actual
The repository is cloned once by subdir.
Stack version
$ stack --version
Version 2.3.3, Git revision cb44d51bed48b723a5deb08c3348c0b3ccfc437e x86_64 hpack-0.33.0
Method of installation
curl -sSL https://get.haskellstack.org/ | sh