When attempting to move file, it errors if the destination file already exists

Matt Allen · Matt Allen · commit b3951c103277 · 2021-01-30T11:12:48.000Z
diff --git a/lock.go b/lock.go
@@ -37,6 +37,9 @@ func (f *FileOperation) CanMove(from, to string) error {
 	if !doesFileExist(from) {
 		return errors.New("the source file does not exist")
 	}
+	if doesFileExist(to) {
+		return errors.New("file already exists with this name at the destination")
+	}
 	if !isValidFolderPath(from) {
 		return errors.New("the source is not a valid file path")
 	}

Original file line number	Diff line number	Diff line change
`@@ -37,6 +37,9 @@ func (f *FileOperation) CanMove(from, to string) error {`
`37`	`37`	`if !doesFileExist(from) {`
`38`	`38`	`return errors.New("the source file does not exist")`
`39`	`39`	`}`
	`40`	`+ if doesFileExist(to) {`
	`41`	`+ return errors.New("file already exists with this name at the destination")`
	`42`	`+ }`
`40`	`43`	`if !isValidFolderPath(from) {`
`41`	`44`	`return errors.New("the source is not a valid file path")`
`42`	`45`	`}`