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adbackup

screenshot

uses a modified version of adb.

features

  • incremental backups
  • recoverable in case device disconnects / user terminates backup
  • preserve file creation times (todo)
    sadly the ToyBox (like coreutils, but shit) implementation of find doesn't have a printf format specifier for the file's creation time and find . -exec stat -c %y {} \; is really slow

possible improvement: tar small files together if that's possible somehow so small file transfers aren't impacted by the round-trip overhead of spawning subprocesses. solved by implementing pull-batch.

issues

  • for some weird fucking reason adb.exe sometimes randomly decides to stop emitting progress information at all and i have no idea why nor what to do about it.
    like it just does sometimes. and then it works again later. the source code doesn't make it any clearer either. bug report: https://issuetracker.google.com/issues/331682040