Files
stfs/cmd/root.go
2021-12-19 18:29:33 +01:00

83 lines
2.5 KiB
Go

package cmd
import (
"fmt"
"os"
"path/filepath"
"strings"
"github.com/pojntfx/stfs/internal/compression"
"github.com/pojntfx/stfs/internal/encryption"
"github.com/pojntfx/stfs/internal/signature"
"github.com/pojntfx/stfs/pkg/config"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"github.com/volatiletech/sqlboiler/v4/boil"
)
const (
driveFlag = "drive"
metadataFlag = "metadata"
verboseFlag = "verbose"
compressionFlag = "compression"
encryptionFlag = "encryption"
signatureFlag = "signature"
)
var rootCmd = &cobra.Command{
Use: "stfs",
Short: "Simple Tape File System",
Long: `Simple Tape File System (STFS) is a file system for tapes and tar files.
Find more information at:
https://github.com/pojntfx/stfs`,
PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
viper.SetEnvPrefix("stfs")
viper.SetEnvKeyReplacer(strings.NewReplacer("-", "_", ".", "_"))
if err := viper.BindPFlags(cmd.PersistentFlags()); err != nil {
return err
}
if viper.GetBool(verboseFlag) {
boil.DebugMode = true
}
if err := compression.CheckCompressionFormat(viper.GetString(compressionFlag)); err != nil {
return err
}
if err := encryption.CheckEncryptionFormat(viper.GetString(encryptionFlag)); err != nil {
return err
}
return signature.CheckSignatureFormat(viper.GetString(signatureFlag))
},
}
func Execute() {
// Get default working dir
home, err := os.UserHomeDir()
if err != nil {
panic(err)
}
metadataPath := filepath.Join(home, ".local", "share", "stfs", "var", "lib", "stfs", "metadata.sqlite")
rootCmd.PersistentFlags().StringP(driveFlag, "d", "/dev/nst0", "Tape or tar file to use")
rootCmd.PersistentFlags().StringP(metadataFlag, "m", metadataPath, "Metadata database to use")
rootCmd.PersistentFlags().BoolP(verboseFlag, "v", false, "Enable verbose logging")
rootCmd.PersistentFlags().StringP(compressionFlag, "c", config.NoneKey, fmt.Sprintf("Compression format to use (default %v, available are %v)", config.NoneKey, config.KnownCompressionFormats))
rootCmd.PersistentFlags().StringP(encryptionFlag, "e", config.NoneKey, fmt.Sprintf("Encryption format to use (default %v, available are %v)", config.NoneKey, config.KnownEncryptionFormats))
rootCmd.PersistentFlags().StringP(signatureFlag, "s", config.NoneKey, fmt.Sprintf("Signature format to use (default %v, available are %v)", config.NoneKey, config.KnownSignatureFormats))
if err := viper.BindPFlags(rootCmd.PersistentFlags()); err != nil {
panic(err)
}
viper.AutomaticEnv()
if err := rootCmd.Execute(); err != nil {
panic(err)
}
}