Activate special environments similar to Julia's CLI arg --project
#3821
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Similar to Julia's command line argument
--project,activate @tempactivates temp environment(See Set temporary env whenever Julia is started with
--project=@tempjulia#51149)activate @stdlibactivatesSys.STDLIBactivate @.activates current projectactivate @activates active projectThis also changes how Pkg.activate behaves wrt
temp(disallows) andstdlib(activates@stdlib/Project.toml)Related to these, the PR adds tests and updates docs.