(In reply to Dave Townsend [:mossop] (he/him) from comment #6) > If the builds for each release are from the same source then I don't think it would be an issue for the Firefox build ID to match across those builds, though I also imagine that sharing profiles between different Ubuntu releases is going to be rare.
Indeed this wouldn't be an issue, rather a logical thing: two binary packages of the same version of firefox (sharing a single source package) have the same build ID. > The chief thing that we care about is that if the Firefox code is newer then > it should have a larger compatibility version than previously. The > compatibility version is defined as > `<version>_<appbuildid>/<platformbuildid>` (the latter two are the same in > Mozilla builds). We compare as if the string is a valid toolkit version > (https://developer.mozilla.org/en-US/docs/Mozilla/Toolkit_version_format), > and to make that the case we do some special parsing in the case where the > buildid is the expected number of characters that are generated from Mozilla > builds, otherwise we just use the literal compatibility version for > comparison. > > I am not sure about other uses of the build ID in Firefox, but I think one > viable option is just to set the build ID to your "build2". This would lead > to a compatibility version like `67.0_build2/build2`. > > […] > > What do you think of that? This makes sense to me, and sounds like it would work. Note that "build2" in that context comes from the upstream build candidate, it's not an Ubuntu-specific thing: https://ftp.mozilla.org/pub/firefox/candidates/67.0-candidates/. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to firefox in Ubuntu. https://bugs.launchpad.net/bugs/1830096 Title: Firefox 67 in Ubuntu 18.10 thinks it's an older version Status in Mozilla Firefox: New Status in firefox package in Ubuntu: Fix Committed Bug description: Today I installed the Firefox 67 update on Ubuntu 18.04, then updated to Ubuntu 18.10. After this, launching Firefox gave me a "Using an older version of Firefox" message with only two options: create a new profile or quit. Apparently the Firefox 67 build for 18.10 thinks it's an older version than the Firefox 67 build for 18.04. For now I worked around the issue by manually installing the Firefox 67 build for Ubuntu 18.04, which did load the existing user profile correctly. To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/1830096/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
