While it IS a bug that mozilla-thinderbird-typeaheadfind contains /tmp, I don't think it can be responsible for your breakage. As I understand it, dpkg will never change the permissions on a directory once it exists on the filesystem, so there'd have to be something pretty interesting going on for /tmp to disappear completely during upgrade before mozilla-thinderbird-typeaheadfind gets installed.
Given that base-files is an Essential package, I just don't see how this could realistically happen.
Scott, do you have any light to shed on this? (the breakage, not the bug with the package shipping the directory)
While it IS a bug that mozilla- thinderbird- typeaheadfind contains /tmp, I don't think it can be responsible for your breakage. As I understand it, dpkg will never change the permissions on a directory once it exists on the filesystem, so there'd have to be something pretty interesting going on for /tmp to disappear completely during upgrade before mozilla- thinderbird- typeaheadfind gets installed.
Given that base-files is an Essential package, I just don't see how this could realistically happen.
Scott, do you have any light to shed on this? (the breakage, not the bug with the package shipping the directory)