[jira] [Created] (CB-6938) iOS File plugin: copyTo for file returns error when destination file exists

["Vladimir Avdonin (JIRA)" <ji...@apache.org>]

Vladimir Avdonin created CB-6938:
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             Summary: iOS File plugin: copyTo for file returns error when destination file exists
                 Key: CB-6938
                 URL: https://issues.apache.org/jira/browse/CB-6938
             Project: Apache Cordova
          Issue Type: Bug
          Components: Plugin File
    Affects Versions: 3.5.0
         Environment: ios
            Reporter: Vladimir Avdonin


According to w3c spec:
A copy of a file on top of an existing file must attempt to delete and replace that file.
iOS version of plugin in file CDVLocalFilesystem.m contains this code for the case:
                } else if (bNewExists) {
                    // the full destination should NOT already exist if a copy
                    errCode = PATH_EXISTS_ERR;

Suggested patch:

diff --git a/src/ios/CDVLocalFilesystem.m b/src/ios/CDVLocalFilesystem.m
index d1576ad..f5aa508 100644
--- a/src/ios/CDVLocalFilesystem.m
+++ b/src/ios/CDVLocalFilesystem.m
@@ -535,11 +535,11 @@
                 if (bSrcIsDir && ![self canCopyMoveSrc:srcFullPath ToDestination:newFileSystemPath]) {
                     // can't copy dir into self
                     errCode = INVALID_MODIFICATION_ERR;
-                } else if (bNewExists) {
-                    // the full destination should NOT already exist if a copy
-                    errCode = PATH_EXISTS_ERR;
                 } else {
-                    bSuccess = [fileMgr copyItemAtPath:srcFullPath toPath:newFileSystemPath error:&error];
+                    if (bNewExists)
+                        bSuccess = [fileMgr removeItemAtPath:newFileSystemPath error:&error];
+                    if (bSuccess)
+                        bSuccess = [fileMgr copyItemAtPath:srcFullPath toPath:newFileSystemPath error:&error];
                 }
             } else { // move
                 // iOS requires that destination must not exist before calling moveTo




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