[Maniphest] [Updated] T1875: Do not create archives with double extension

[tctara (Chantara Tith)]

tctara added a revision: D1187: Do not create archives with double extension.

TASK DETAIL
  https://phabricator.kde.org/T1875

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To: tctara
Cc: kde-utils-devel, elvisangelaccio, tctara