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diff --git a/debian/README.Debian b/debian/README.Debian new file mode 100644 index 0000000000..d21c8449ea --- /dev/null +++ b/debian/README.Debian @@ -0,0 +1,253 @@ +WebExtension AddOn interface in Thunderbird >= 68.0 +--------------------------------------------------- + +Starting with version 68.0 the only supported interface for Add-ons is the +WebExtension interface. No old XUL-based, sometimes called legacy Add-ons will +work anymore. Starting with 78.0 also no legacy WebExtensions will not work +any more. + +This sentence is not only true for Debian packaged extensions but also for +previously pulled Add-ons from addons.thunderbird.net or some other external +resources. +If you encounter any incompatible packaged Add-ons please open a bug report for +the package, if not already a bug report is created. + +If you are developing own WebExtension based Add-ons you might help to migrate +other still not ready to use Add-ons. Help is really appreciated in any way. + +The API documentation of WebExtension can be found here. + + https://thunderbird-webextensions.readthedocs.io/en/68 + +Some guideline how to migrate to WebExtension from a Legacy Add-on you will +find here. + + https://developer.thunderbird.net/add-ons/tb68 + +Christopher Leidigh (a full-time Thunderbird contributor) has collected a list +of available Add-ons and their status. So you might find his list useful. + + https://cleidigh.github.io/ThunderKdB/index.html + +OpenPGP support within Thunderbird >= 78.0 +------------------------------------------ + +By dropping even support of the legacy WebExtension API in 78.x the typical +used Add-on Enigmail for GPG encryption would not fully working any more. This +is basically grounded on limitations of the WebExtension API to restrict full +access on file system level. +The developer ob Enigmail and MZLNA decided to include OpenPGP support within +Thunderbird directly starting with Thunderbird 78.0. But this now included +native OpenPGP support has some downside, Thunderbird is using it's own key +storage system within the users profile. This means, OpenPGG is working +independently of installed GPG related packages! Also no automatically sync +between Thunderbird and $(HOME)/.gnupg will happen! + +Migration from Enigmail to native OpenPGP support: +This step is optional but user are encouraged to use the migration wizard of +Enigmail. +The Enigmail developer did create a final Enigmail version 2.2.x which is +helping to migrate from the old Enigmail supported workflow over to the OpenPGP +included support. +To use this migration wizard you will need to install Enigmail >= 2.2 as Debian +package (if available) or install this extension by using the menu +'Tools' -> 'Add-ons' and search for it. +There will be a pop up window directly after the installation which is asking +the user if he wanted to be guided through the GPG migration. The user can also +start the migration wizard later at any time by calling it from the 'Tool' menu +the entry 'Migrate Enigmail Settings'. + +You can found more information about the OpenPGP support on the following web +resources. + + https://wiki.mozilla.org/Thunderbird:OpenPGP + https://wiki.mozilla.org/Thunderbird:OpenPGP:2020 + https://wiki.mozilla.org/Thunderbird:OpenPGP:Smartcards + https://wiki.mozilla.org/Thunderbird:OpenPGP:Status + https://www.thunderbird.net/en-US/thunderbird/78.0/releasenotes/ + https://www.enigmail.net/index.php/en/home/news + https://addons.thunderbird.net/en/thunderbird/addon/enigmail/ + + -- Carsten Schoenert <c.schoenert@t-online.de> Sun, 20 Oct 2020 9:05:00 +0200 + +De-Branding of Icedove, Reintroduce Thunderbird in Debian +--------------------------------------------------------- + +Debian and Mozilla has done some new rethinking and talking about the old legal +questions about trademark issues [1]. +Based on this revaluation the Debian project got now an agreement from Mozilla +Corp. that the rebranded packages Iceweasel, Debian rebranded version for +Firefox, and Icedove, Debian rebranded version for Thunderbird are no longer +needed. + +The maintainers of the Iceweasel package followed that agreement and did a +de-branding of Iceweasel back to Firefox. More information on this process can +be found on [1]. +For Icedove the maintainers followed too the new agreement and remove the old +branding after almost 10 years for Icedove and Iceowl-Extension and switched +back to the official branding from Mozilla. The according bug for this process +can be found under [2]. + +For versions greater 1:45.6.0-2 the following packages were introduced as a +replacement. + +old package .... --> new package usage +--------------------------------------------------------------------------------- +icedove ........ --> thunderbird (Thunderbird Main application) +icedove-dev .... --> thunderbird-dev (Thunderbird Development files) +icedove-dbg .... --> thunderbird-dbg (Thunderbird with debugging symbols) +iceowl-extension --> lightning (Lightning, aka Calendar for Thunderbird) +icedove-l10n-* . --> thunderbird-l10n-* (l10n localization for Thunderbird) +iceowl-l10n-* .. --> lightning-l10n-* (l10n localization for Lightning) + +The old packages were changed to transitional packages and can be safely +removed after the automatically installation of the new packages. + += Profile Migration = +===================== + +Due the removing of the rebranding for Icedove Thunderbird will use the default +profile folder $HOME/.thunderbird for storing all the various user related +stuff! +With the new Thunderbird packages there is a wrapper script included, placed as +/usr/bin/thunderbird that will do a adoption of the existing profile folder +$HOME/.icedove into the new default folder for the user profile +$HOME/.thunderbird by setting up a symlink to the existing profile if possible. + +The automatism in the script will check the following parts: + + 1. Check if there is a folder or a symbolic link $HOME/.icedove existing and + there is NO folder or symbolic link $HOME/.thunderbird. + + 2. Create a symlink from $HOME/.thunderbird to $HOME/.icedove . + + 3. Fixing Mime type registration for' http(s)' and 'file' inside mimeTypes.rdf + if they registered for iceweasel. Before starting the fixup a backup will + be created name $FILE.backup_thunderbird_migration-${DATE}. + + 4. Also check for desktop type registrations of 'userapp-icedove*.desktop' in + '$HOME/.config/mimeapps.list' and $HOME/.local/share/applications/mimeapps.list, + but only if this file exists, users of tiling window managers won't have + this file. Read further for more information on this. + Like above, a backup of the existing file with same schema will be created + if needed. + + 7. If all was going well, starting Thunderbird. + + 8. If there is no folder $HOME/.icedove or $HOME/.thunderbird exists the + wrapper script will start Thunderbird without any extra action. + + 9. The above steps from 3.) will be also done if you already have a symlink + $HOME/.thunderbird that is pointing to $HOME/.icedove or the opposite, + $HOME/.thunderbird is pointing to $HOME/.icedove. + + So if you don't have one of the following four cases the wrapper script + will exit with a error message. + + 1. $HOME/.icedove is existing and holds valid profile data + 2. $HOME/.thunderbird points to $HOME/.icedove and 1. is true + 3. $HOME/.icedove points to $HOME/.thunderbird and 1. is true + 4. $HOME/.thunderbird is existing and holds valid profile data + (Note: Not the script, but Thunderbird will error out here if no + profiles are found!) + +If there is anything going wrong there will be splash screens displayed with +some additional notes, the logger mechanism will write some information about +what's going wrong into /var/log/syslog. + +So don't panic if there is something not working automatically. If the starter +script can't do the adoptions you will need to look by yourself and solve the +situation. Mostly there can be already a folder or symlink $HOME/.thunderbird +that prevents a automatic migration by the script. In such a case save a +existing folder $HOME/.thunderbird else where if needed and restart the +Thunderbird application. Other things like extra special mountpoints by the +system administrator can't also be handled by the script. Please ask the +service desk if you have trouble then. + +What else can you do? +You can call '/usr/bin/thunderbird --verbose' from a command line to see a +verbose output of the wrapper script. For more options of the wrapper script +and how to use them call '/usr/bin/thunderbird --help'. + +The Debian wiki is holding also extra information about the migration of +Icedove to Thunderbird. + + https://wiki.debian.org/Thunderbird + +For backward compatibility whithin the Stretch release there will be that +migration functionality until the release of Buster (aka Debian 10). +Afterwards you can still do this on your on by moving the folders manually. + += Avoid the pop-up information about migration globally = +========================================================= + +Within some use cases (e.g. bigger company environments) it can sometimes not +be useful that a user will see the dialogue window about the profile migration +as this can be more confusing than helpful. +To avoid this dialogue for all users on the system the administrator can create +a file '/etc/thunderbird/no_migration_popup' and the starting wrapper will +not pop-up the information dialogue if the migration isn't already done. + += User specific MIME Associations = +=================================== + +The desktop environment (usually Gnome, KDE, Mate etc.) is holding the +specific associations between MIME types and applications in various +places. In order the user can override system settings and adding new +ones the according place in the users home is the file +'$(HOME)/.config/mimeapps.list'. + +The migration is taking care for old 'icedove.desktop' associations and +is rewriting them to 'thunderbird.desktop'. +Like already done for the user profile, there will be always a backup +of the existing file created before the replacement can be done. In case +of problems you can safely move back to the original file. You will lost +then the needed association for the thunderbird binary. + +You can call '/usr/bin/thunderbird --show-backup' to see created backups from +the various possible modified files while the profile adoption. + +See also: + + https://specifications.freedesktop.org/mime-apps-spec/mime-apps-spec-1.0.html + += Migration of global configurations = +====================================== + +If you have some own special preferences files placed in '/etc/icedove/pref/' +they will be moved to '/etc/thunderbird/pref/'. +In case you have a modified file '/etc/icedove/pref/icedove.js' it will be +moved to '/etc/thunderbird/pref/icedove.js.dpkg-backup' to keep your changes. +Please adjust this file to the Thunderbird specific configuration file +'/etc/thunderbird/pref/thunderbird.js'. The old folder '/etc/icedove' is gone +be removed only if it is completely empty. + +There are still some corner cases where this automatism with configuration +files in /etc/thunderbird/pref is not fully working. Please note #806955 [4] +about such issues. + +[1] https://en.wikipedia.org/wiki/Mozilla_software_rebranded_by_Debian +[2] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=815006 +[3] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=816679 +[4] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=806955 + + -- Carsten Schoenert <c.schoenert@t-online.de> Sun, 21 Aug 2016 10:12:00 +0200 + +Mozilla Crash Reporter for Thunderbird +-------------------------------------- + +The crash reporter for Thunderbird is enabled since version > 1:45.6.0-3. By +this a possible crash could be automatically send to Mozilla if the user is +accepting this. There is nothing send to Mozilla without a user action. More +information about the crash reporter can be found on: + +https://support.mozilla.org/en-US/kb/mozilla-crash-reporter-tb + +Please consider to use the crash reporter for getting crashes reported +upstream, this also helps the maintainers if Thunderbird to get crash reports +send upstream. +Submitted crash reports can be found, if any was send, in + + ~/.thunderbird/Crash Reports/submitted/ + + -- Carsten Schoenert <c.schoenert@t-online.de> Sun, 29 Jan 2017 14:15:00 +0100 |