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main.go
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/
main.go
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// Copyright 2015-2018 the u-root Authors. All rights reserved
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// makebbmain creates a bb main.go source file.
package main
import (
"flag"
"log"
"github.com/u-root/u-root/pkg/golang"
"github.com/u-root/u-root/pkg/uroot/builder/bb"
)
var (
template = flag.String("template", "github.com/u-root/u-root/pkg/bb/cmd", "bb main.go template package")
outputDir = flag.String("o", "", "output directory")
)
func main() {
flag.Parse()
if flag.NArg() == 0 {
log.Fatalf("must list bb packages as arguments")
}
env := golang.Default()
p, err := env.Package(*template)
if err != nil {
log.Fatal(err)
}
fset, astp, err := bb.ParseAST(bb.SrcFiles(p))
if err != nil {
log.Fatal(err)
}
if err := bb.CreateBBMainSource(fset, astp, flag.Args(), *outputDir); err != nil {
log.Fatalf("failed to create bb source file: %v", err)
}
}