mirror of
https://github.com/ddworken/hishtory.git
synced 2024-11-27 02:34:06 +01:00
258 lines
7.2 KiB
Go
258 lines
7.2 KiB
Go
package hctx
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import (
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"context"
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"encoding/json"
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"errors"
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"sync"
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"time"
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"github.com/ddworken/hishtory/client/data"
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"github.com/sirupsen/logrus"
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"gopkg.in/natefinch/lumberjack.v2"
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"gorm.io/gorm"
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"gorm.io/gorm/logger"
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// Needed to use sqlite without CGO
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"github.com/glebarez/sqlite"
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)
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var (
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hishtoryLogger *logrus.Logger
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getLoggerOnce sync.Once
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)
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func GetLogger() *logrus.Logger {
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getLoggerOnce.Do(func() {
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homedir, err := os.UserHomeDir()
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if err != nil {
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panic(fmt.Errorf("failed to get user's home directory: %v", err))
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}
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err = MakeHishtoryDir()
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if err != nil {
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panic(err)
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}
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lumberjackLogger := &lumberjack.Logger{
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Filename: path.Join(homedir, data.HISHTORY_PATH, "hishtory.log"),
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MaxSize: 1, // MB
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MaxBackups: 10,
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MaxAge: 30, // days
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}
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logFormatter := new(logrus.TextFormatter)
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logFormatter.TimestampFormat = time.RFC3339
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logFormatter.FullTimestamp = true
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hishtoryLogger = logrus.New()
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hishtoryLogger.SetFormatter(logFormatter)
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hishtoryLogger.SetLevel(logrus.InfoLevel)
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hishtoryLogger.SetOutput(lumberjackLogger)
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})
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return hishtoryLogger
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}
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func MakeHishtoryDir() error {
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homedir, err := os.UserHomeDir()
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if err != nil {
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return fmt.Errorf("failed to get user's home directory: %v", err)
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}
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err = os.MkdirAll(path.Join(homedir, data.HISHTORY_PATH), 0o744)
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if err != nil {
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return fmt.Errorf("failed to create ~/.hishtory dir: %v", err)
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}
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return nil
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}
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func OpenLocalSqliteDb() (*gorm.DB, error) {
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homedir, err := os.UserHomeDir()
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if err != nil {
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return nil, fmt.Errorf("failed to get user's home directory: %v", err)
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}
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err = MakeHishtoryDir()
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if err != nil {
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return nil, err
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}
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newLogger := logger.New(
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GetLogger(),
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logger.Config{
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SlowThreshold: 100 * time.Millisecond,
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LogLevel: logger.Warn,
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IgnoreRecordNotFoundError: false,
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Colorful: false,
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},
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)
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// TODO: should I specify WAL here: https://stackoverflow.com/questions/57118674/go-sqlite3-with-journal-mode-wal-gives-database-is-locked-error
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db, err := gorm.Open(sqlite.Open(path.Join(homedir, data.HISHTORY_PATH, data.DB_PATH)), &gorm.Config{SkipDefaultTransaction: true, Logger: newLogger})
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if err != nil {
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return nil, fmt.Errorf("failed to connect to the DB: %v", err)
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}
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tx, err := db.DB()
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if err != nil {
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return nil, err
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}
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err = tx.Ping()
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if err != nil {
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return nil, err
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}
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db.AutoMigrate(&data.HistoryEntry{})
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db.Exec("PRAGMA journal_mode = WAL")
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return db, nil
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}
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type hishtoryContextKey string
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func MakeContext() *context.Context {
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ctx := context.Background()
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config, err := GetConfig()
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if err != nil {
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panic(fmt.Errorf("failed to retrieve config: %v", err))
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}
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ctx = context.WithValue(ctx, hishtoryContextKey("config"), config)
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db, err := OpenLocalSqliteDb()
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if err != nil {
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panic(fmt.Errorf("failed to open local DB: %v", err))
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}
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ctx = context.WithValue(ctx, hishtoryContextKey("db"), db)
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homedir, err := os.UserHomeDir()
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if err != nil {
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panic(fmt.Errorf("failed to get homedir: %v", err))
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}
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ctx = context.WithValue(ctx, hishtoryContextKey("homedir"), homedir)
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return &ctx
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}
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func GetConf(ctx *context.Context) ClientConfig {
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v := (*ctx).Value(hishtoryContextKey("config"))
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if v != nil {
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return v.(ClientConfig)
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}
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panic(fmt.Errorf("failed to find config in ctx"))
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}
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func GetDb(ctx *context.Context) *gorm.DB {
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v := (*ctx).Value(hishtoryContextKey("db"))
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if v != nil {
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return v.(*gorm.DB)
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}
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panic(fmt.Errorf("failed to find db in ctx"))
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}
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func GetHome(ctx *context.Context) string {
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v := (*ctx).Value(hishtoryContextKey("homedir"))
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if v != nil {
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return v.(string)
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}
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panic(fmt.Errorf("failed to find homedir in ctx"))
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}
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type ClientConfig struct {
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// The user secret that is used to derive encryption keys for syncing history entries
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UserSecret string `json:"user_secret"`
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// Whether hishtory recording is enabled
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IsEnabled bool `json:"is_enabled"`
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// A device ID used to track which history entry came from which device for remote syncing
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DeviceId string `json:"device_id"`
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// Used for skipping history entries prefixed with a space in bash
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LastSavedHistoryLine string `json:"last_saved_history_line"`
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// Used for uploading history entries that we failed to upload due to a missing network connection
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HaveMissedUploads bool `json:"have_missed_uploads"`
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MissedUploadTimestamp int64 `json:"missed_upload_timestamp"`
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// Used for avoiding double imports of .bash_history
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HaveCompletedInitialImport bool `json:"have_completed_initial_import"`
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// Whether control-r bindings are enabled
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ControlRSearchEnabled bool `json:"enable_control_r_search"`
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// The set of columns that the user wants to be displayed
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DisplayedColumns []string `json:"displayed_columns"`
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// Custom columns
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CustomColumns []CustomColumnDefinition `json:"custom_columns"`
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// Whether this is an offline instance of hishtory with no syncing
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IsOffline bool `json:"is_offline"`
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// Whether duplicate commands should be displayed
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FilterDuplicateCommands bool `json:"filter_duplicate_commands"`
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}
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type CustomColumnDefinition struct {
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ColumnName string `json:"column_name"`
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ColumnCommand string `json:"column_command"`
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}
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func GetConfigContents() ([]byte, error) {
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homedir, err := os.UserHomeDir()
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if err != nil {
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return nil, fmt.Errorf("failed to retrieve homedir: %v", err)
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}
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dat, err := os.ReadFile(path.Join(homedir, data.HISHTORY_PATH, data.CONFIG_PATH))
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if err != nil {
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files, err := ioutil.ReadDir(path.Join(homedir, data.HISHTORY_PATH))
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if err != nil {
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return nil, fmt.Errorf("failed to read config file (and failed to list too): %v", err)
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}
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filenames := ""
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for _, file := range files {
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filenames += file.Name()
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filenames += ", "
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}
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return nil, fmt.Errorf("failed to read config file (files in ~/.hishtory/: %s): %v", filenames, err)
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}
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return dat, nil
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}
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func GetConfig() (ClientConfig, error) {
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data, err := GetConfigContents()
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if err != nil {
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return ClientConfig{}, err
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}
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var config ClientConfig
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err = json.Unmarshal(data, &config)
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if err != nil {
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return ClientConfig{}, fmt.Errorf("failed to parse config file: %v", err)
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}
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if config.DisplayedColumns == nil || len(config.DisplayedColumns) == 0 {
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config.DisplayedColumns = []string{"Hostname", "CWD", "Timestamp", "Runtime", "Exit Code", "Command"}
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}
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return config, nil
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}
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func SetConfig(config ClientConfig) error {
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serializedConfig, err := json.Marshal(config)
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if err != nil {
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return fmt.Errorf("failed to serialize config: %v", err)
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}
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homedir, err := os.UserHomeDir()
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if err != nil {
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return fmt.Errorf("failed to retrieve homedir: %v", err)
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}
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err = MakeHishtoryDir()
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if err != nil {
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return err
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}
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configPath := path.Join(homedir, data.HISHTORY_PATH, data.CONFIG_PATH)
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stagedConfigPath := configPath + ".tmp"
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err = os.WriteFile(stagedConfigPath, serializedConfig, 0o644)
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if err != nil {
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return fmt.Errorf("failed to write config: %v", err)
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}
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err = os.Rename(stagedConfigPath, configPath)
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if err != nil {
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return fmt.Errorf("failed to replace config file with the updated version: %v", err)
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}
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return nil
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}
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func InitConfig() error {
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homedir, err := os.UserHomeDir()
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if err != nil {
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return err
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}
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_, err = os.Stat(path.Join(homedir, data.HISHTORY_PATH, data.CONFIG_PATH))
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if errors.Is(err, os.ErrNotExist) {
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return SetConfig(ClientConfig{})
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}
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return err
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}
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