[Bug 1602120] [NEW] Thunderbird - When Autosave is Enabled - Autosave files are not deleted when the emal is sent

[Roy Gilby]

Public bug reported:

Galago-UltraPro:~$ lsb_release -rd
Description:	Ubuntu 16.04 LTS
Release:	16.04

UltraPro:~$ apt-cache policy thunderbird
thunderbird:
  Installed: 1:38.8.0+build1-0ubuntu0.16.04.1
  Candidate: 1:38.8.0+build1-0ubuntu0.16.04.1
  Version table:
 *** 1:38.8.0+build1-0ubuntu0.16.04.1 500
        500 http://mirror.overthewire.com.au/ubuntu xenial-updates/main amd64 Packages
        500 http://mirror.overthewire.com.au/ubuntu xenial-security/main amd64 Packages
        100 /var/lib/dpkg/status
     1:38.6.0+build1-0ubuntu1 500
        500 http://mirror.overthewire.com.au/ubuntu xenial/main amd64 Packages

I have Thunderbird configured to "Autosave" every 5 minutes.  (I believe
that this is the default configuration for Thunderbird.)

When writing an email, if the email is written and sent within the
initial 5 minutes (i.e. less than the Autosave period), no autosave
files are retained in the "Drafts" folder after the email is sent.  This
I understand to be the correct and desired functionality.

However, if the writing of the email takes longer that the Autosave time
period, (i.e. longer than 5 minutesin the default configuration) the
Autosave temporary files that are saved in the "Drafts" folder on
Thunderbird are NOT deleted automatically when the email is sent.

This leads to a situation where, after a period of normal use of
Thunderbird, the Thunderbird "Drafts" folder will contain multiple
copies of the Autosave temporary files for many emails.

There appears to be no configuration option in Thunderbird that would
force the Autosave temporary files to be deleted, once each email has
been sent.

As a result, I assume that a BUG exists in which the Autosave temporary
files fail to be deleted automatically when the related email is
completed and sent.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: thunderbird 1:38.8.0+build1-0ubuntu0.16.04.1
ProcVersionSignature: Ubuntu 4.4.0-28.47-generic 4.4.13
Uname: Linux 4.4.0-28-generic x86_64
AddonCompatCheckDisabled: False
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  royg       1745 F.... pulseaudio
 /dev/snd/controlC1:  royg       1745 F.... pulseaudio
BuildID: 20160511162223
Channel: Unavailable
CurrentDesktop: Unity
Date: Tue Jul 12 16:35:59 2016
ForcedLayersAccel: False
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
IncompatibleExtensions:
 Lightning - {e2fda1a4-762b-4020-b5ad-a41df1933103}
 English (GB) Language Pack - langpack-en-GB at thunderbird.mozilla.org
 Thunderbird (default) - {972ce4c6-7e08-4474-a285-3208198ce6fd}
InstallationDate: Installed on 2015-10-28 (257 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
IpRoute:
 default via 192.168.1.1 dev wlp3s0  proto static  metric 600 
 169.254.0.0/16 dev wlp3s0  scope link  metric 1000 
 192.168.1.0/24 dev wlp3s0  proto kernel  scope link  src 192.168.1.12  metric 600
MostRecentCrashID: bp-039d8d34-cf49-4827-9bbd-ddf242140822
Plugins: Shockwave Flash - /usr/lib/flashplugin-installer/libflashplayer.so
PrefSources:
 prefs.js
 [Profile]/extensions/{e2fda1a4-762b-4020-b5ad-a41df1933103}/defaults/preferences/lightning.js
 [Profile]/extensions/{a62ef8ec-5fdc-40c2-873c-223b8a6925cc}/defaults/preferences/preferences.js
Profiles: Profile0 (Default) - LastVersion=38.8.0/20160511162223 (In use)
RunningIncompatibleAddons: True
SourcePackage: thunderbird
SubmittedCrashIDs:
 bp-039d8d34-cf49-4827-9bbd-ddf242140822
 bp-5c18683d-2e43-4cba-9c5f-4bbea2140806
 bp-80dc061e-16e0-4849-92a2-815392140726
UpgradeStatus: Upgraded to xenial on 2016-03-15 (118 days ago)
dmi.bios.date: 12/12/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 4.6.5
dmi.board.asset.tag: Tag 12345
dmi.board.name: W740SU
dmi.board.vendor: Notebook
dmi.board.version: Not Applicable
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 9
dmi.chassis.vendor: Notebook
dmi.chassis.version: N/A
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr4.6.5:bd12/12/2013:svnSystem76,Inc.:pnGalagoUltraPro:pvrgalu1:rvnNotebook:rnW740SU:rvrNotApplicable:cvnNotebook:ct9:cvrN/A:
dmi.product.name: Galago UltraPro
dmi.product.version: galu1
dmi.sys.vendor: System76, Inc.

** Affects: thunderbird (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug xenial

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Title:
  Thunderbird - When Autosave is Enabled - Autosave files are not
  deleted when the emal is sent

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