a80b381274
1. Start mergemaster 2. Interrupt it 3. < Somehow the temproot directory disappears > 4. mergemaster -r Many bad things can happen, especially if the -i option is in use. Therefore, add a check to make sure it still exists before we start comparing files. Brought to my attention by: PR: bin/40538 Submitted by: Cyrille Lefevre <cyrille.lefevre@laposte.net>