build: use go version 1.27 - #5650
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Update the go version used to build flux to 1.27. This replaces version 1.25, which is no longer supported.
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Pull request overview
Updates Flux’s build environment from Go 1.25 to Go 1.27.
Changes:
- Upgrades Go base images to 1.27.
- Updates CircleCI configuration to version 2.1.
- Modifies the Windows build setup.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.
| File | Summary | Review status |
|---|---|---|
Dockerfile_build |
Uses Go 1.27 build images. | No blocking comments. |
.circleci/config.yml |
Updates CircleCI syntax and Windows build configuration. | Critical (3 votes): Keep the heredoc operator unescaped; otherwise Bash will not recognize <<EOF, causing the Windows job to fail. |
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| # an ssh agent to be set up, which doesn't work on Circle's Windows executors. | ||
| # See https://github.com/rust-lang/cargo/issues/1851#issuecomment-450130685 | ||
| cat <<EOF >> ~/.cargo/config | ||
| cat \<<EOF >> ~/.cargo/config |
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This escape is necessary to stop circle CI treating <<EOF >> as a pipe variable.
jeffreyssmith2nd
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Aug 25, 2026
appletreeisyellow
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Aug 25, 2026
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Update the go version used to build flux to 1.27. This replaces version 1.25, which is no longer supported.
Checklist
Dear Author 👋, the following checks should be completed (or explicitly dismissed) before merging.
experimental/docs/Spec.mdhas been updatedDear Reviewer(s) 👋, you are responsible (among others) for ensuring the completeness and quality of the above before approval.