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53 lines
1.4 KiB
53 lines
1.4 KiB
/* |
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* |
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* Copyright 2018 gRPC authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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// vet checks whether files that are supposed to be built on appengine running |
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// Go 1.10 or earlier import an unsupported package (e.g. "unsafe", "syscall"). |
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package main |
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import ( |
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"fmt" |
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"go/build" |
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"os" |
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) |
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func main() { |
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fail := false |
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b := build.Default |
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b.BuildTags = []string{"appengine", "appenginevm"} |
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argsWithoutProg := os.Args[1:] |
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for _, dir := range argsWithoutProg { |
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p, err := b.Import(".", dir, 0) |
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if _, ok := err.(*build.NoGoError); ok { |
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continue |
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} else if err != nil { |
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fmt.Printf("build.Import failed due to %v\n", err) |
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fail = true |
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continue |
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} |
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for _, pkg := range p.Imports { |
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if pkg == "syscall" || pkg == "unsafe" { |
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fmt.Printf("Package %s/%s importing %s package without appengine build tag is NOT ALLOWED!\n", p.Dir, p.Name, pkg) |
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fail = true |
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} |
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} |
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} |
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if fail { |
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os.Exit(1) |
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} |
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}
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