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main.go
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main.go
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// Copyright (c) 2021 Proton Technologies AG
//
// This file is part of ProtonMail Bridge.
//
// ProtonMail Bridge is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// ProtonMail Bridge is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with ProtonMail Bridge. If not, see <https://www.gnu.org/licenses/>.
package main
import (
"os"
"github.com/ProtonMail/proton-bridge/pkg/sum"
"github.com/sirupsen/logrus"
"github.com/urfave/cli/v2"
)
func main() {
logrus.SetLevel(logrus.DebugLevel)
if err := createApp().Run(os.Args); err != nil {
logrus.Fatal(err)
}
}
func createApp() *cli.App { // nolint[funlen]
app := cli.NewApp()
app.Name = "hasher"
app.Usage = "Generate the recursive hash of a directory"
app.Action = computeSum
app.Flags = []cli.Flag{
&cli.StringFlag{
Name: "root",
Aliases: []string{"C"},
Usage: "The root directory from which to begin recursive hashing",
Required: true,
},
&cli.StringFlag{
Name: "output",
Aliases: []string{"o"},
Usage: "The file to save the sum in",
Required: true,
},
}
return app
}
func computeSum(c *cli.Context) error {
b, err := sum.RecursiveSum(c.String("root"), c.String("output"))
if err != nil {
return err
}
f, err := os.Create(c.String("output"))
if err != nil {
return err
}
if _, err := f.Write(b); err != nil {
return err
}
return f.Close()
}