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[ ci ] Update ci-bootstrap.yml#3729

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spcfox wants to merge 2 commits intoidris-lang:mainfrom
spcfox:chez-min-version
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[ ci ] Update ci-bootstrap.yml#3729
spcfox wants to merge 2 commits intoidris-lang:mainfrom
spcfox:chez-min-version

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@spcfox
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@spcfox spcfox commented Feb 7, 2026

Description

ci-bootstrap currently runs on the deprecated ubuntu-20.04 runner, which was retired some time ago.

The original purpose of this job was to ensure we could build with older Chez Scheme versions from before support for __collect_safe. That check is no longer relevant: __collect_safe landed in Chez Scheme 9.5.1, and the same release introduced collect-rendezvous (Chez release notes, 2.81 and 2.82), which Idris 2 now relies on.

(collect-rendezvous)

This PR updates the workflow to run on a supported runner and repurposes it to test bootstrapping against the minimum supported Chez Scheme version.

@spcfox spcfox marked this pull request as ready for review February 7, 2026 15:40
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spcfox commented Feb 7, 2026

The current actionlint version lacks support for the new runner. I intend to raise a PR to update our linters within the coming days

name: Bootstrap

env:
MIN_CHEZ_VERSION: 9.5.1
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where did you get this number?

sudo apt-get update
sudo apt-get install -y chezscheme
echo "$HOME/.idris2/bin" >> "$GITHUB_PATH"
sudo apt-get install -y uuid-dev
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what's this for? I can't see any mention of it in the chez build docs https://github.com/cisco/ChezScheme/blob/main/BUILDING

Comment thread INSTALL.md
- A Scheme compiler. One of
- Chez Scheme (default).\
Version `9.5.1` or newer; on Apple Silicon `10.0.0` or newer.
- Racket.
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is there any benefit to building the bootstrap build on racket too?

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2 participants