[Bug 28158] New: [integration] winemenubuilder forces lower case when searching fd.o mime database

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=28158

           Summary: [integration] winemenubuilder forces lower case when
                    searching fd.o mime database
           Product: Wine
           Version: 1.3.26
          Platform: x86
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: programs
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: wine at rodrigosilva.com


When winemenubuilder searches for freedesktop.org xdg mime database, and build
its list native extensions and mime types, it always searches and tries to
match a lower case string. Windows registry might be case-insensitive, but
native mime database is not, and (unfortunately) some extensions (globs) and
mime types do have upper case chars. Some examples:

audio/AMR:*.amr
audio/AMR-WB:*.awb
text/x-c++src:*.C
application/x-compress:*.Z
application/x-blender:*.BLEND
text/x-iMelody:*.ime
text/x-iMelody:*.imy
text/css:*.CSSL
application/x-gnome-saved-search:*.savedSearch

I am just listing "regular" globs that could be directly mapped to windows
extensions (as opposed to things like README*, Makefile, *.tar.Z, etc)

Take Z for an example of the problem:

- Windows app register "HKCR\.z". Winemenubuilder searches for *.z, can't
match, so it creates the native application/x-wine-extension-z mime/glob.
Unfortunate but unavoidable.

- Windows app register "HKCR\.Z" instead. Winemenubuilder *still* searches for
*.z, because it forces lowercase in its search! There is no match, and it
creates the application/x-wine-extension-z. With *.z glob! And that is a bug.

Currently, there is no way to prevent winemenubuilder to create duplicate (and
buggy) mime extensions when native glob and/or extension contains upper (or
mixed) case chars.

My suggestion for fix: to really mimic Registry case-insensitivity behavior,
winemenubuilder should use case-insensitive search. For example, comparing
lower(win ext)=lower(fd.o glob). And if a match is not found, create the native
glob *exactly* as registered by windows app.

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