/
vet.go
47 lines (44 loc) · 1.33 KB
/
vet.go
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/*
*
* Copyright 2018 gRPC authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
// vet.go is a script to check whether files that are supposed to be built on appengine import
// unsupported package (e.g. "unsafe", "syscall") or not.
package main
import (
"fmt"
"go/build"
"os"
)
func main() {
b := build.Default
b.BuildTags = []string{"appengine", "appenginevm"}
argsWithoutProg := os.Args[1:]
for _, dir := range argsWithoutProg {
p, err := b.Import(".", dir, 0)
if _, ok := err.(*build.NoGoError); ok {
continue
} else if err != nil {
fmt.Printf("build.Import failed due to %v\n", err)
continue
}
for _, pkg := range p.Imports {
if pkg == "syscall" || pkg == "unsafe" {
fmt.Printf("Package %s/%s importing %s package without appengine build tag is NOT ALLOWED!\n", p.Dir, p.Name, pkg)
}
}
}
}