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Nov 30, 2022
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Update README for OCaml 5.0.0~beta2 #375

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6 changes: 2 additions & 4 deletions Dockerfile
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Original file line number Diff line number Diff line change
@@ -1,12 +1,10 @@
FROM ocaml/opam:debian-11-ocaml-5.0
# Make sure we're using opam-2.1:
RUN sudo ln -sf /usr/bin/opam-2.1 /usr/bin/opam
# Add the alpha repository with some required preview versions of dependencies:
RUN opam remote add alpha git+https://github.com/kit-ty-kate/opam-alpha-repository.git
# Ensure opam-repository is up-to-date:
RUN cd opam-repository && git pull -q origin 7791c44928d6c1594479a50bb8051856fa2c0ca1 && opam update
RUN cd opam-repository && git pull -q origin 2b82c83694d8f1db63e504823646ffcb51562f75 && opam update
# Switch to OCaml 5.0.0 (beta)
RUN opam pin remove ocaml-variants && opam install ocaml-base-compiler.5.0.0~beta1 --update-invariant
RUN opam pin remove ocaml-variants && opam install ocaml-base-compiler.5.0.0~beta2 --update-invariant
# Install utop for interactive use:
RUN opam install utop fmt
# Install Eio's dependencies (adding just the opam files first to help with caching):
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6 changes: 3 additions & 3 deletions README.md
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Expand Up @@ -109,17 +109,17 @@ Remember that you can always fall back to using Lwt libraries to provide missing

## Getting OCaml 5.0

You'll need OCaml 5.0.0~beta1.
You'll need OCaml 5.0.0~beta2.
You can either install it yourself or build the included [Dockerfile](./Dockerfile).

To install it yourself:

1. Make sure you have opam 2.1 or later (run `opam --version` to check).

2. Use opam to install OCaml 5.0.0~beta1:
2. Use opam to install OCaml 5.0.0~beta2:

```
opam switch create 5.0.0~beta1 --repo=default,alpha=git+https://github.com/kit-ty-kate/opam-alpha-repository.git
opam switch create 5.0.0~beta2
```

## Getting Eio
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