func registerPlugins(src string, plugins features.Plugins) error {
fset := token.NewFileSet()
file := filepath.Join(src, importFile)
f, err := parser.ParseFile(fset, file, nil, 0)
if err != nil {
return err
}
for _, m := range plugins.Packages() {
astutil.AddNamedImport(fset, f, "_", m)
}
var buf bytes.Buffer
err = printer.Fprint(&buf, fset, f)
if err != nil {
return err
}
// Save generated code file
err = ioutil.WriteFile(file, buf.Bytes(), os.FileMode(0660))
if err != nil {
return err
}
// run `go generate` for all plugins
return goGenerate(plugins)
}
// PrepareBuild prepares a custombuild.Builder for generating a custom binary using
// plugins. A call to Build on the returned builder will generate the binary.
// If error is not nil, the returned Builder should be ignored.
func PrepareBuild(plugins features.Plugins, pullLatest bool) (custombuild.Builder, error) {
// create builder
builder, err := custombuild.NewUnready(CaddyPackage, gen(plugins), plugins.Packages())
if err != nil {
return builder, err
}
builder.UseNetworkForAll(pullLatest) // if true, run go get -u for all dependencies before each build
err = builder.Setup()
if err != nil {
// not useful, clear assets
go builder.Teardown()
return builder, err
}
// necessary to ensure import "github.com/mholt/caddy..." is referencing
// this code.
err = builder.SetImportPath(CaddyPackage)
if err != nil {
// not useful, clear assets
go builder.Teardown()
return builder, err
}
// set subpackage
builder.SubPackage = "caddy"
return builder, nil
}