fixes

cmd/exec.go

@@ -33,17 +33,15 @@ var execCmd = &cobra.Command{
 		defer lock.Unlock()
 
 		config := internal.GetConfig()
-		if err := config.CheckConfig(); err != nil {
-			panic(err)
-		}
-		{
-			selected, err := internal.GetAllOrSelected(cmd, true)
-			CheckErr(err)
-			for _, name := range selected {
-				fmt.Println(name)
-				backend, _ := internal.GetBackend(name)
-				backend.Exec(args)
-			}
+		err = config.CheckConfig()
+		CheckErr(err)
+
+		selected, err := internal.GetAllOrSelected(cmd, true)
+		CheckErr(err)
+		for _, name := range selected {
+			fmt.Println(name)
+			backend, _ := internal.GetBackend(name)
+			backend.Exec(args)
 		}
 	},
 }

cmd/forget.go

@@ -31,19 +31,16 @@ var forgetCmd = &cobra.Command{
 		defer lock.Unlock()
 
 		config := internal.GetConfig()
-		if err := config.CheckConfig(); err != nil {
-			panic(err)
-		}
-		{
-			selected, err := internal.GetAllOrSelected(cmd, false)
+		CheckErr(config.CheckConfig())
+
+		selected, err := internal.GetAllOrSelected(cmd, false)
+		CheckErr(err)
+		prune, _ := cmd.Flags().GetBool("prune")
+		dry, _ := cmd.Flags().GetBool("dry-run")
+		for _, name := range selected {
+			location, _ := internal.GetLocation(name)
+			err := location.Forget(prune, dry)
 			CheckErr(err)
-			prune, _ := cmd.Flags().GetBool("prune")
-			dry, _ := cmd.Flags().GetBool("dry-run")
-			for _, name := range selected {
-				location, _ := internal.GetLocation(name)
-				err := location.Forget(prune, dry)
-				CheckErr(err)
-			}
 		}
 	},
 }

internal/backend.go

@@ -25,7 +25,7 @@ func GetBackend(name string) (Backend, bool) {
 func (b Backend) generateRepo() (string, error) {
 	switch b.Type {
 	case "local":
-		return GetPathRelativeToConfig(b.Path), nil
+		return GetPathRelativeToConfig(b.Path)
 	case "b2", "azure", "gs", "s3", "sftp", "rest":
 		return fmt.Sprintf("%s:%s", b.Type, b.Path), nil
 	default:
@@ -33,21 +33,22 @@ func (b Backend) generateRepo() (string, error) {
 	}
 }
 
-func (b Backend) getEnv() map[string]string {
+func (b Backend) getEnv() (map[string]string, error) {
 	env := make(map[string]string)
 	env["RESTIC_PASSWORD"] = b.Key
 	repo, err := b.generateRepo()
-	if err != nil {
-		panic(err)
-	}
 	env["RESTIC_REPOSITORY"] = repo
-	return env
+	return env, err
 }
 
 func (b Backend) validate() error {
-	options := ExecuteOptions{Envs: b.getEnv()}
+	env, err := b.getEnv()
+	if err != nil {
+		return err
+	}
+	options := ExecuteOptions{Envs: env}
 	// Check if already initialized
-	_, err := ExecuteResticCommand(options, "snapshots")
+	_, err = ExecuteResticCommand(options, "snapshots")
 	if err == nil {
 		return nil
 	} else {
@@ -59,7 +60,11 @@ func (b Backend) validate() error {
 }
 
 func (b Backend) Exec(args []string) error {
-	options := ExecuteOptions{Envs: b.getEnv()}
+	env, err := b.getEnv()
+	if err != nil {
+		return err
+	}
+	options := ExecuteOptions{Envs: env}
 	out, err := ExecuteResticCommand(options, args...)
 	fmt.Println(out)
 	return err

internal/config.go

@@ -34,29 +34,26 @@ func GetConfig() *Config {
 	return config
 }
 
-func GetPathRelativeToConfig(p string) string {
+func GetPathRelativeToConfig(p string) (string, error) {
 	if path.IsAbs(p) {
-		return p
+		return p, nil
 	} else if strings.HasPrefix(p, "~") {
 		home, err := homedir.Dir()
-		if err != nil {
-			panic(err)
-		}
-		return path.Join(home, strings.TrimPrefix(p, "~"))
+		return path.Join(home, strings.TrimPrefix(p, "~")), err
 	} else {
-		return path.Join(path.Dir(viper.ConfigFileUsed()), p)
+		return path.Join(path.Dir(viper.ConfigFileUsed()), p), nil
 	}
 }
 
 func (c Config) CheckConfig() error {
-	for name, backend := range c.Backends {
+	for _, backend := range c.Backends {
 		if err := backend.validate(); err != nil {
-			return fmt.Errorf("backend \"%s\": %s", name, err)
+			return fmt.Errorf("backend \"%s\": %s", backend.Name, err)
 		}
 	}
-	for name, location := range c.Locations {
+	for _, location := range c.Locations {
 		if err := location.validate(c); err != nil {
-			return fmt.Errorf("location \"%s\": %s", name, err)
+			return fmt.Errorf("location \"%s\": %s", location.Name, err)
 		}
 	}
 	return nil

internal/location.go

@@ -70,47 +70,56 @@ func ExecuteHooks(commands []string, options ExecuteOptions) error {
 	return nil
 }
 
-func (l Location) Backup() error {
-	from := GetPathRelativeToConfig(l.From)
+func (l Location) forEachBackend(fn func(ExecuteOptions) error) error {
+	from, err := GetPathRelativeToConfig(l.From)
+	if err != nil {
+		return err
+	}
 	for _, to := range l.To {
 		backend, _ := GetBackend(to)
+		env, err := backend.getEnv()
+		if err != nil {
+			return nil
+		}
 		options := ExecuteOptions{
 			Command: "bash",
-			Envs:    backend.getEnv(),
+			Envs:    env,
 			Dir:     from,
 		}
+		if err := fn(options); err != nil {
+			return err
+		}
+	}
+	return nil
+}
 
+func (l Location) Backup() error {
+	return l.forEachBackend(func(options ExecuteOptions) error {
 		if err := ExecuteHooks(l.Hooks.Before, options); err != nil {
 			return nil
 		}
-		{
-			flags := l.getOptions("backup")
-			cmd := []string{"backup"}
-			cmd = append(cmd, flags...)
-			cmd = append(cmd, ".")
-			out, err := ExecuteResticCommand(options, cmd...)
-			fmt.Println(out)
-			if err != nil {
-				return err
-			}
+
+		flags := l.getOptions("backup")
+		cmd := []string{"backup"}
+		cmd = append(cmd, flags...)
+		cmd = append(cmd, ".")
+		out, err := ExecuteResticCommand(options, cmd...)
+		fmt.Println(out)
+		if err != nil {
+			return err
 		}
+
 		if err := ExecuteHooks(l.Hooks.After, options); err != nil {
 			return nil
 		}
-	}
-	return nil
+		return nil
+	})
 }
 
 func (l Location) Forget(prune bool, dry bool) error {
-	from := GetPathRelativeToConfig(l.From)
-	for _, to := range l.To {
-		backend, _ := GetBackend(to)
-		options := ExecuteOptions{
-			Envs: backend.getEnv(),
-			Dir:  from,
-		}
+	return l.forEachBackend(func(options ExecuteOptions) error {
 		flags := l.getOptions("forget")
-		cmd := []string{"forget", "--path", from}
+		cmd := []string{"forget", "--path", options.Dir}
 		if prune {
 			cmd = append(cmd, "--prune")
 		}
@@ -123,8 +132,8 @@ func (l Location) Forget(prune bool, dry bool) error {
 		if err != nil {
 			return err
 		}
-	}
-	return nil
+		return nil
+	})
 }
 
 func (l Location) hasBackend(backend string) bool {
@@ -169,7 +178,11 @@ func (l Location) Restore(to, from string, force bool) error {
 	}
 
 	backend, _ := GetBackend(from)
-	err = backend.Exec([]string{"restore", "--target", to, "--path", GetPathRelativeToConfig(l.From), "latest"})
+	resolved, err := GetPathRelativeToConfig(l.From)
+	if err != nil {
+		return nil
+	}
+	err = backend.Exec([]string{"restore", "--target", to, "--path", resolved, "latest"})
 	if err != nil {
 		return err
 	}