Make goreleaser archives reproducible #6299
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Signed-off-by: Alex Bozhenko <[email protected]>
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Similar to #6299 Make packages set mtime to `commitdate`. Upgrade goreleaser to the latest 2.6.1, which includes the feature used in this PR: goreleaser/goreleaser#5392 ``` go install github.com/goreleaser/goreleaser/[email protected] goreleaser release --snapshot --clean -f .goreleaser.yml mv dist/ ~/tmp/dist_before goreleaser release --snapshot --clean -f .goreleaser.yml # now, all the artifacts of the two builds are exactly the same. Only sbom files are different(because those include timestamps) vimdiff dist/SHA256SUMS ~/tmp/dist_before/SHA256SUMS ```  Signed-off-by: Alex Bozhenko <[email protected]>
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Use commit time in mod_timestamp, as documented in:
https://goreleaser.com/customization/builds/#reproducible-builds
https://goreleaser.com/blog/reproducible-builds/
https://goreleaser.com/customization/templates/?h=templates#common-fields
Test plan:
Before.
Build two times:
Observe all the shasums are different:
After:
Do the build two times,
Observe that only rpm and deb packages are different
There was a feature added to goreleaser to make packages reproducible too, but I haven't figured out how to use it yet:
goreleaser/nfpm#748
I asked in Discord. We can tackle that separately
Signed-off-by: Alex Bozhenko [email protected]