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9d7c84b0c6
We don't need to use a regular expression to find "goN.M" anymore, as go/version seems to deal with "devel" versions from master just fine. We can then also stop having two separate fields for the version of the Go toolchain currently being used.
109 lines
3.6 KiB
Plaintext
109 lines
3.6 KiB
Plaintext
# We use a simple Go program to report many Go versions.
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# The program also errors on any command other than "go version",
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# which saves us having to rebuild main.go many times.
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go build -o .bin/go$exe ./fakego
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env PATH=${WORK}/.bin${:}${PATH}
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# An empty go version.
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env TOOLCHAIN_GOVERSION=''
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! exec garble build
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stderr 'Go version is too old; please upgrade to go1\.25\.0 or newer'
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# We should error on a devel version that's too old;
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# note that they started with the string "devel",
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# and very old ones didn't even have "goN.M" in them.
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env TOOLCHAIN_GOVERSION='devel +afb5fca Sun Aug 07 00:00:00 2020 +0000'
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! exec garble build
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stderr 'Go version "devel \+afb5.*2020.*" is too old; please upgrade to go1\.25\.0 or newer'
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env TOOLCHAIN_GOVERSION='devel go1.15-afb5fca Sun Aug 07 00:00:00 2020 +0000'
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! exec garble build
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stderr 'Go version "devel go1\.15-.*2020.*" is too old; please upgrade to go1\.25\.0 or newer'
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# A current devel version should be fine.
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# Note that we don't look at devel version timestamps.
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env GARBLE_TEST_GOVERSION='go1.25.0'
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# TODO: we do not currently bother with supporting tip.
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# env TOOLCHAIN_GOVERSION='go version go1.26-devel_36863d6194 2025-10-17 01:07:59 -0700 linux/amd64'
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# ! exec garble build
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# stderr 'mocking the real build'
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# We should error on a stable version that's too old.
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env TOOLCHAIN_GOVERSION='go1.14'
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! exec garble build
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stderr 'Go version "go1\.14" is too old; please upgrade to go1\.25\.0 or newer'
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# We should reject a future stable version, as we don't have linker patches yet.
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# Note that we need to bump the version of Go that supposedly built it, too.
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env GARBLE_TEST_GOVERSION='go1.28.2'
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env TOOLCHAIN_GOVERSION='go1.28.2'
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! exec garble build
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stderr 'Go version "go1\.28\.2" is too new; Go linker patches aren''t available for go1\.26 or later yet'
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# We should accept custom devel strings.
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env TOOLCHAIN_GOVERSION='go1.25.0-somecustomversion'
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! exec garble build
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stderr 'mocking the real build'
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# The current toolchain may be older than the one that built garble.
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env GARBLE_TEST_GOVERSION='go1.25.1'
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env TOOLCHAIN_GOVERSION='go1.25.0'
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! exec garble build
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stderr 'mocking the real build'
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# The current toolchain may be equal to the one that built garble.
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env GARBLE_TEST_GOVERSION='go1.25.0'
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env TOOLCHAIN_GOVERSION='go1.25.0'
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! exec garble build
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stderr 'mocking the real build'
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# The current toolchain must not be newer than the one that built garble.
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env GARBLE_TEST_GOVERSION='go1.18'
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env TOOLCHAIN_GOVERSION='go1.25.0'
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! exec garble build
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stderr 'garble was built with "go1\.18" and can''t be used with the newer "go1\.25\.0"; rebuild '
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# We'll error even if the difference is a minor (bugfix) level.
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# In practice it probably wouldn't matter, but in theory it could still lead to tricky bugs.
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env GARBLE_TEST_GOVERSION='go1.25.11'
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env TOOLCHAIN_GOVERSION='go1.25.14'
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! exec garble build
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stderr 'garble was built with "go1\.25\.11" and can''t be used with the newer "go1\.25\.14"; rebuild '
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# If garble builds itself and is then used, it won't know what version built it.
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# As a fallback, we drop the comparison against the toolchain's version.
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env GARBLE_TEST_GOVERSION='bogus version'
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env TOOLCHAIN_GOVERSION='go1.25.0'
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! exec garble build
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stderr 'mocking the real build'
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-- go.mod --
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module test/main
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go 1.23
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-- main.go --
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package main
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func main() {}
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-- fakego/main.go --
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package main
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import (
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"encoding/json"
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"fmt"
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"os"
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)
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func main() {
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if len(os.Args) > 0 && os.Args[1] == "env" {
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enc, _ := json.Marshal(struct {
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GOVERSION string
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}{
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GOVERSION: os.Getenv("TOOLCHAIN_GOVERSION"),
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})
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fmt.Printf("%s\n", enc)
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return
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}
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fmt.Fprintln(os.Stderr, "mocking the real build")
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os.Exit(1)
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}
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