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|
package main
import (
"flag"
"fmt"
"log"
"os"
"path/filepath"
_ "github.com/Xe/gopreload"
)
var (
pkgName = flag.String("pkg", "", "package to underscore import")
destPkgName = flag.String("dest", "", "destination package to generate")
)
const codeTemplate = `//+build go1.8
package main
import _ "$PACKAGE_PATH"`
func main() {
flag.Parse()
if *pkgName == "" || *destPkgName == "" {
log.Fatal("must set -pkg and -dest")
}
srcDir := filepath.Join(os.Getenv("GOPATH"), "src", *destPkgName)
err := os.MkdirAll(srcDir, os.ModePerm)
if err != nil {
log.Fatal(err)
}
fout, err := os.Create(srcDir + "/main.go")
if err != nil {
log.Fatal(err)
}
defer fout.Close()
codeBody := os.Expand(codeTemplate, func(s string) string {
if s == "PACKAGE_PATH" {
return *pkgName
}
return "no idea man"
})
fmt.Fprintln(fout, codeBody)
fmt.Println("To build this plugin: ")
fmt.Println(" $ go build -buildmode plugin -o /path/to/output.so " + *destPkgName)
}
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