%{env:FOO=<val>} does not accept spaces in <val>
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enhancement
- Dominant language
- OCaml
- Stars
- 1.9k
- Forks
- 500
- Avg merge
- 15h 21m
- Merged PRs (30d)
- 277
Description
(rule (alias foo) (action (echo "%{env:FOO=foo bar}")))
gives
File "dune", line 1, characters 35-36:
1 | (rule (alias foo) (action (echo "%{env:FOO=foo bar}")))
^
Error: This character is not allowed inside %{...} forms
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the issue with the minimal dune rule in the report and inspect the parser for %{env:...} forms. Trace why the space in the default value is rejected, then verify that the same rule parses successfully with a value containing spaces and add regression coverage where the parser tests live.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- ocaml
- Domain
- build-system
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Clearly specified
- Newbie friendliness
- 38/100