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go/internal/packagesdriver: fix crash when GOARCH and Go compiler can't be determined

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When run "go list" outside GOPATH, result should be empty

Change-Id: If832c46d3e4c32a2a87338cca95e3169ea3be055
Reviewed-on: https://go-review.googlesource.com/c/155557
Reviewed-by: Michael Matloob <matloob@golang.org>
This commit is contained in:
Yasuhiro Matsumoto 2018-12-21 10:22:55 +09:00 committed by Michael Matloob
parent d00ac6d273
commit 79186431cf
1 changed files with 3 additions and 0 deletions
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3
go/internal/packagesdriver/sizes.go
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@ -86,6 +86,9 @@ func GetSizesGolist(ctx context.Context, buildFlags, env []string, dir string, u
return nil, err
}
fields := strings.Fields(stdout.String())
if len(fields) < 2 {
return nil, fmt.Errorf("could not determine GOARCH and Go compiler")
}
goarch := fields[0]
compiler := fields[1]
return types.SizesFor(compiler, goarch), nil