30201 ----- 10923 delete should raise error when there is no file https://pharo.fogbugz.com/f/cases/10923 10924 Simplifying ensure* and create protocol https://pharo.fogbugz.com/f/cases/10924 + writeStreamForFileNamed:replace:do: using ensureDeleted then ensureDelete Diff information: http://smalltalkhub.com/mc/Pharo/Pharo30/main/UpdateStreamer-Core-StephaneDu... http://smalltalkhub.com/mc/Pharo/Pharo30/main/Tools-StephaneDucasse.1145.dif... http://smalltalkhub.com/mc/Pharo/Pharo30/main/Tests-StephaneDucasse.551.diff http://smalltalkhub.com/mc/Pharo/Pharo30/main/System-Support-StephaneDucasse... http://smalltalkhub.com/mc/Pharo/Pharo30/main/StartupPreferences-StephaneDuc... http://smalltalkhub.com/mc/Pharo/Pharo30/main/System-Changes-StephaneDucasse... http://smalltalkhub.com/mc/Pharo/Pharo30/main/Polymorph-Widgets-StephaneDuca... http://smalltalkhub.com/mc/Pharo/Pharo30/main/Multilingual-Tests-StephaneDuc... http://smalltalkhub.com/mc/Pharo/Pharo30/main/Monticello-StephaneDucasse.816... http://smalltalkhub.com/mc/Pharo/Pharo30/main/FuelTests-StephaneDucasse.319.... http://smalltalkhub.com/mc/Pharo/Pharo30/main/HudsonBuildTools20-StephaneDuc... http://smalltalkhub.com/mc/Pharo/Pharo30/main/FileSystem-Zip-StephaneDucasse... http://smalltalkhub.com/mc/Pharo/Pharo30/main/FileSystem-Tests-Core-Stephane... http://smalltalkhub.com/mc/Pharo/Pharo30/main/FileSystem-Memory-StephaneDuca... http://smalltalkhub.com/mc/Pharo/Pharo30/main/FileSystem-Disk-StephaneDucass... http://smalltalkhub.com/mc/Pharo/Pharo30/main/FileSystem-Core-StephaneDucass... http://smalltalkhub.com/mc/Pharo/Pharo30/main/CompressionTests-StephaneDucas... http://smalltalkhub.com/mc/Pharo/Pharo30/main/Compression-StephaneDucasse.12...