A reattach might go from img.raw to img_0.1.raw or viceversa, but this is not allowed right now as we try to match the full name. Also take into account that running strcspn(a, '/') on an image name, without leading path, will return the length of the full string, but the versions might be different so they won't match, eg: img_0.1.raw -> 12 img_0.1.1.raw -> 14 So adjust the check to take that into account, and skip it if we are not dealing with directories
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