Hi,
I'd like to know how to vendor binary-only-package using go mod.
I have something working with GOPATH/pkg but starting with Go1.11, I end up
with this error:
go build github.com/myname/mylib: *missing or invalid binary-only package;
> expected file ""*
Looking at the source code (/usr/lib/go/src/cmd/go/internal/work/exec.go)
So the target (mylib.a) does not exist in the context of modules
(GOCACHE=on is mandatory with modules starting with Go1.11) since
GOPATH/pkg is not used
if a.Package.BinaryOnly {
_, err := os.Stat(a.Package.Target)
if err == nil {
a.built = a.Package.Target
a.Target = a.Package.Target
if b.NeedExport {
a.Package.Export = a.Package.Target
}
a.buildID = b.fileHash(a.Package.Target)
a.Package.Stale = false
a.Package.StaleReason = "binary-only package"
return nil
}
a.Package.Stale = true
a.Package.StaleReason = "missing or invalid binary-only package"
if b.IsCmdList {
return nil
}
return fmt.Errorf("*missing or invalid binary-only package; expected file
%q"*, a.Package.Target)
}
The error appears as soon as I move the project out of GOPATH.
I thought I could hack my way around and use the new cache instead of
GOPATH/pkg but the thing is that the fingerprint used for the cache entries
depend on the source file.
But for binary-only-package, the source file has to be different (since
it's a stub) so I assume the fingerprint will not match...
I've read here <https://golang.org/doc/go1.11#gocache> that Go1.12 will
"drop" GOPATH/pkg but the thing is I need to have an upgrade/migration plan
from vendoring GOPATH/pkg binary-only-package to vendoring "go mod"
binary-only-package.
Do you guys know of a solution ?
Thank you,
Alex
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