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46 lines
1.3 KiB
Plaintext
46 lines
1.3 KiB
Plaintext
# We want the upgraded toolchain to match the garble binary
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# which we will exec below, as otherwise garble will complain.
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# Tell GOTOOLCHAIN to upgrade to the same version thanks to `go mod init`
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# setting up a `go` directive with its Go version.
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cd mod
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go mod init test
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exec cat go.mod
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cd ..
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go env GOVERSION
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setenvfile GOVERSION_UPGRADE stdout
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# To test that garble works with transparent upgrades via GOTOOLCHAIN,
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# use a relatively old version, but still new enough to support GOTOOLCHAIN.
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env GOVERSION_BASE=go1.23.0
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setup-go ${GOVERSION_BASE}
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# We want to use the real GOPROXY so that we can download the newer
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# toolchain, and we use the host's GOMODCACHE so we can reuse it.
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env GOPROXY=proxy.golang.org
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env GOMODCACHE=${HOST_GOMODCACHE}
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# Verify that we are using an older version of Go.
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exec go version
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stdout 'go version '${GOVERSION_BASE@R}
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# The builds inside the module use the upgraded toolchain.
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cd mod
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exec go run .
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stderr 'hello from '${GOVERSION_UPGRADE@R}
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# Note that garble hides runtime.Version by design, but we know that it requires
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# the Go toolchain version to match the exact same version that built garble,
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# and that version is most likely newer than GOVERSION_BASE.
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exec garble run .
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stderr 'hello from unknown'
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-- mod/main.go --
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package main
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import "runtime"
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func main() {
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println("hello from", runtime.Version())
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}
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