Fix rename prompting for new location before verifying old one exists

src/sync/client.go

@@ -414,7 +414,7 @@ func ShearRemoteFromClient(targetLocationIncomplete string) {
 // RenameRemoteFromClient renames oldLocationIncomplete to newLocationIncomplete on the local system and calls the server to perform the rename remotely and add the old target to the deletions list
 // can safely be called in offline mode, as well, so this is the intended interface for renaming (RenameLocal should only be used directly by the server binary)
 func RenameRemoteFromClient(oldLocationIncomplete, newLocationIncomplete string) {
-	RenameLocal(oldLocationIncomplete, newLocationIncomplete) // move the target on the local system
+	RenameLocal(oldLocationIncomplete, newLocationIncomplete, false) // move the target on the local system
 
 	deviceIDList := genDeviceIDList()
 	if len(*deviceIDList) > 0 { // ensure a device ID exists (online mode)

src/sync/common.go

@@ -2,10 +2,11 @@ package sync
 
 import (
 	"fmt"
-	"github.com/rwinkhart/MUTN/src/backend"
 	"io/fs"
 	"os"
 	"strings"
+
+	"github.com/rwinkhart/MUTN/src/backend"
 )
 
 // getModTimes returns a list of all entry modification times
@@ -78,13 +79,14 @@ func ShearLocal(targetLocationIncomplete, clientDeviceID string) string {
 
 // RenameLocal renames oldLocationIncomplete to newLocationIncomplete on the local system
 // this function should only be used directly by the server binary
-func RenameLocal(oldLocationIncomplete, newLocationIncomplete string) {
+func RenameLocal(oldLocationIncomplete, newLocationIncomplete string, verifyOldLocationExists bool) {
 	// get full paths for both locations
 	oldLocation := backend.TargetLocationFormat(oldLocationIncomplete)
 	newLocation := backend.TargetLocationFormat(newLocationIncomplete)
 
-	// ensure oldLocation exists
-	backend.TargetIsFile(oldLocation, true, 0)
+	if verifyOldLocationExists {
+		backend.TargetIsFile(oldLocation, true, 0)
+	}
 
 	// ensure newLocation does not exist
 	_, isAccessible := backend.TargetIsFile(newLocation, false, 0)