cmd/covergen: Switched from zglob to filepath.Walk (closes #49)

cmd/covergen/covergen.go

@@ -20,7 +20,6 @@ import (
 	"github.com/bamiaux/rez"
 	"github.com/beevik/etree"
 	"github.com/geek1011/koboutils/v2/kobo"
-	"github.com/mattn/go-zglob"
 	"github.com/spf13/pflag"
 )
 
@@ -204,7 +203,17 @@ func device(root string) (string, kobo.Device, error) {
 }
 
 func scan(root string) ([]string, error) {
-	return zglob.Glob(filepath.Join(root, "**", "*.epub"))
+	var epubs []string
+	err := filepath.Walk(root, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return fmt.Errorf("error scanning %q: %w", path, err)
+		}
+		if !info.IsDir() && strings.EqualFold(filepath.Ext(path), ".epub") {
+			epubs = append(epubs, path)
+		}
+		return nil
+	})
+	return epubs, err
 }
 
 func imageID(kp, book string) (string, error) {

go.mod

@@ -7,7 +7,6 @@ require (
 	github.com/bamiaux/rez v0.0.0-20170731184118-29f4463c688b
 	github.com/geek1011/koboutils/v2 v2.0.1
 	github.com/mattn/go-sqlite3 v2.0.3+incompatible
-	github.com/mattn/go-zglob v0.0.1
 	github.com/spf13/pflag v1.0.5
 )
 

go.sum

@@ -20,8 +20,6 @@ github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/mattn/go-sqlite3 v2.0.3+incompatible h1:gXHsfypPkaMZrKbD5209QV9jbUTJKjyR5WD3HYQSd+U=
 github.com/mattn/go-sqlite3 v2.0.3+incompatible/go.mod h1:FPy6KqzDD04eiIsT53CuJW3U88zkxoIYsOqkbpncsNc=
-github.com/mattn/go-zglob v0.0.1 h1:xsEx/XUoVlI6yXjqBK062zYhRTZltCNmYPx6v+8DNaY=
-github.com/mattn/go-zglob v0.0.1/go.mod h1:9fxibJccNxU2cnpIKLRRFA7zX7qhkJIQWBb449FYHOo=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/sergi/go-diff v1.1.0 h1:we8PVUC3FE2uYfodKH/nBHMSetSfHDR6scGdBi+erh0=