chore: use errors.New to replace fmt.Errorf with no parameters.

pkg/commands/oscommands/copy.go

@@ -1,7 +1,7 @@
 package oscommands
 
 import (
-	"fmt"
+	"errors"
 	"io"
 	"os"
 	"path/filepath"
@@ -86,7 +86,7 @@ func CopyDir(src string, dst string) (err error) {
 		return err
 	}
 	if !si.IsDir() {
-		return fmt.Errorf("source is not a directory")
+		return errors.New("source is not a directory")
 	}
 
 	_, err = os.Stat(dst)

pkg/utils/history_buffer.go

@@ -1,6 +1,8 @@
 package utils
 
-import "fmt"
+import (
+	"errors"
+)
 
 type HistoryBuffer[T any] struct {
 	maxSize int
@@ -24,10 +26,10 @@ func (self *HistoryBuffer[T]) Push(item T) {
 func (self *HistoryBuffer[T]) PeekAt(index int) (T, error) {
 	var item T
 	if len(self.items) == 0 {
-		return item, fmt.Errorf("Buffer is empty")
+		return item, errors.New("Buffer is empty")
 	}
 	if len(self.items) <= index || index < -1 {
-		return item, fmt.Errorf("Index out of range")
+		return item, errors.New("Index out of range")
 	}
 	if index == -1 {
 		return item, nil

pkg/utils/rebase_todo.go

@@ -2,6 +2,7 @@ package utils
 
 import (
 	"bytes"
+	"errors"
 	"fmt"
 	"os"
 	"slices"
@@ -48,7 +49,7 @@ func EditRebaseTodo(filePath string, changes []TodoChange, commentChar byte) err
 
 	if matchCount < len(changes) {
 		// Should never get here
-		return fmt.Errorf("Some todos not found in git-rebase-todo")
+		return errors.New("Some todos not found in git-rebase-todo")
 	}
 
 	return WriteRebaseTodoFile(filePath, todos, commentChar)
@@ -197,7 +198,7 @@ func moveTodoUp(todos []todo.Todo, todoToMove Todo) ([]todo.Todo, error) {
 
 	if !ok {
 		// We expect callers to guard against this
-		return []todo.Todo{}, fmt.Errorf("Destination position for moving todo is out of range")
+		return []todo.Todo{}, errors.New("Destination position for moving todo is out of range")
 	}
 
 	destinationIdx := sourceIdx + 1 + skip

pkg/utils/yaml_utils/yaml_utils.go

@@ -190,7 +190,7 @@ func walk(node *yaml.Node, path string, callback func(*yaml.Node, string) bool)
 	didChange := callback(node, path)
 	switch node.Kind {
 	case yaml.DocumentNode:
-		return false, fmt.Errorf("Unexpected document node in the middle of a yaml tree")
+		return false, errors.New("Unexpected document node in the middle of a yaml tree")
 	case yaml.MappingNode:
 		for i := 0; i < len(node.Content); i += 2 {
 			name := node.Content[i].Value
@@ -219,7 +219,7 @@ func walk(node *yaml.Node, path string, callback func(*yaml.Node, string) bool)
 	case yaml.ScalarNode:
 		// nothing to do
 	case yaml.AliasNode:
-		return false, fmt.Errorf("Alias nodes are not supported")
+		return false, errors.New("Alias nodes are not supported")
 	}
 
 	return didChange, nil