Fix import cycle issue

system/utils.go

@@ -1,18 +1,23 @@
 package system
 
 import (
+	"archive/tar"
+	"archive/zip"
 	"bufio"
 	"bytes"
+	"compress/gzip"
 	"context"
 	"encoding/json"
 	"fmt"
 	"io"
+	"reflect"
 	"strconv"
 	"strings"
 	"sync"
 	"time"
 
 	"emperror.dev/errors"
+	"github.com/mholt/archiver/v3"
 )
 
 var cr = []byte(" \r")
@@ -36,6 +41,22 @@ func MustInt(v string) int {
 	return i
 }
 
+// ExtractArchiveSourceName looks for the provided archiver.File's name if it is
+// a type that is supported, otherwise it returns an error to the caller.
+func ExtractArchiveSourceName(f archiver.File, dir string) (name string, err error) {
+	switch s := f.Sys().(type) {
+	case *tar.Header:
+		name = s.Name
+	case *gzip.Header:
+		name = s.Name
+	case *zip.FileHeader:
+		name = s.Name
+	default:
+		err = errors.New(fmt.Sprintf("could not parse underlying data source with type: %s", reflect.TypeOf(s).String()))
+	}
+	return name, err
+}
+
 func ScanReader(r io.Reader, callback func(line string)) error {
 	br := bufio.NewReader(r)
 	// Avoid constantly re-allocating memory when we're flooding lines through this