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cmd/protoc-gen-go: remove reference to legacy ProtoPackageIsVersion4

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A reference to this constant was originally generated to ensure that users
were using a sufficiently new version of the github.com/golnag/protobuf
module to avoid subtle runtime incompatibility issues.
Such a technique is not needed if users were using modules,
which would enforce this constraint based on our go.mod requirements.

When we first released the google.golang.org/protobuf module,
we suggested that we would consider removing it after 6 months.
It has now been 7 months since the release.

Fixes golang/protobuf#1077

Change-Id: I9f2010da27b27fe6b12541a15833721441df8409
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/259901
Reviewed-by: Damien Neil <dneil@google.com>
Trust: Joe Tsai <thebrokentoaster@gmail.com>
This commit is contained in:
Joe Tsai 2020-10-06 12:23:51 -07:00
parent ac374a2335
commit 4394568c4b
1 changed files with 0 additions and 6 deletions
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6
cmd/protoc-gen-go/internal_gengo/main.go
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@ -88,12 +88,6 @@ func GenerateFile(gen *protogen.Plugin, file *protogen.File) *protogen.Generated
g.P("_ = ", protoimplPackage.Ident("EnforceVersion"), "(", protoimplPackage.Ident("MaxVersion"), " - ", protoimpl.GenVersion, ")")
g.P(")")
g.P()
// TODO: Remove this after some soak-in period after the v2 release.
g.P("// This is a compile-time assertion that a sufficiently up-to-date version")
g.P("// of the legacy proto package is being used.")
g.P("const _ = ", protoV1Package.Ident("ProtoPackageIsVersion4"))
g.P()
}
for i, imps := 0, f.Desc.Imports(); i < imps.Len(); i++ {