feat: given support for homeless shelter nix errors

cmd/nao/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"errors"
 	"io"
 	"os"
 	"os/user"
@@ -16,6 +17,14 @@ import (
 	"github.com/rs/zerolog"
 )
 
+const DEFAULT_VERSION = "unversioned"
+
+var (
+	version = DEFAULT_VERSION
+	commit  string
+	date    string
+)
+
 func main() {
 	defer func() {
 		if v := recover(); v != nil {
@@ -63,19 +72,23 @@ func main() {
 
 	logger.Trace().Msg("loading data...")
 
-	data, err := data.Load(&logger, config)
+	appData, err := data.Load(&logger, config)
 	if err != nil {
-		logger.Err(err).Msg("an error was encountered while loading data...")
-
-		ui.Error(err.Error())
-		os.Exit(1)
+		if errors.Is(err, data.ErrRunningOnHomelessShelter) {
+			logger.Warn().Err(err).Msg("error will be ignored")
+			ui.Warnf("got this error %s but it will be ignored", err.Error())
+		} else {
+			logger.Err(err).Msg("an error was encountered while loading data...")
+			ui.Error(err.Error())
+			os.Exit(1)
+		}
 	}
 
 	logger.Trace().Msg("executing command...")
 
 	ctx := context.Background()
 
-	if err := cmd.Execute(ctx, &logger, config, data); err != nil {
+	if err := cmd.Execute(ctx, &logger, config, appData); err != nil {
 		logger.Err(err).Msg("an error was encountered while executing command...")
 
 		ui.Error(err.Error())

internal/cmd/mod.go

@@ -226,6 +226,8 @@ func (c ModCmd) logKeyInUse(key string) (remove func() error, err error) {
 }
 
 func (c *ModCmd) getEditorName() string {
+	// return "kibi"
+
 	if c.editor != "" {
 		return c.editor
 	}

internal/data/errors.go

@@ -0,0 +1,12 @@
+package data
+
+import (
+	"errors"
+	"strings"
+)
+
+var ErrRunningOnHomelessShelter = errors.New("running on homeless shelter")
+
+func isHomelessShelterError(err error) bool {
+	return strings.Contains(err.Error(), "homeless-shelter")
+}

internal/data/helpers.go

@@ -2,7 +2,6 @@ package data
 
 import (
 	"fmt"
-	"io/ioutil"
 	"os"
 
 	"github.com/goccy/go-json"
@@ -16,7 +15,7 @@ func (b *Buffer) save() error {
 		return fmt.Errorf("unexpected error, can't format data buffer to json: %w", err)
 	}
 
-	return ioutil.WriteFile(b.config.FS.GetDataFile(), data, internal.PermReadWrite)
+	return os.WriteFile(b.config.FS.GetDataFile(), data, internal.PermReadWrite)
 }
 
 // First data load, if there's no file to load then it creates it.
@@ -27,6 +26,10 @@ func (b *Buffer) loadData() error {
 
 			err = os.MkdirAll(b.config.FS.GetDataDir(), os.ModePerm)
 			if err != nil {
+				if isHomelessShelterError(err) { // NixOS
+					return ErrRunningOnHomelessShelter
+				}
+
 				return fmt.Errorf("unable to create a new directory in '%s': %w", dataFile, err)
 			}
 

internal/ui/errors.go

@@ -32,3 +32,11 @@ func Fatal(message string) Suggest {
 func Fatalf(message string, more ...any) Suggest {
 	return Fatal(fmt.Sprintf(message, more...))
 }
+
+func Warn(message string) {
+	fmt.Fprintf(os.Stderr, color.HEX("#fafa91").Sprintf("Warn: %s\n", message))
+}
+
+func Warnf(message string, more ...any) {
+	Warn(fmt.Sprintf(message, more...))
+}