[Bug 1744953] [NEW] mimetype prefer system mime database over user one

[Thomas Preud'homme]

Public bug reported:

Local database for mime types is looked up *after* the system one, so
user cannot override the system database.

* How to reproduce *

I have a user mime entry for .dot files to recognize it as a graphviz
file, since the system mime database list 2 conflicting entries (word
template and graphviz file). mimetype query default <some dot file>
gives:

<some dot file>: application/msword-template

However, XDG_DATA_DIRS=/usr/share:/home/thopre01/.local/share
/usr/bin/mimetype <some dot file> gives:

<some dot file>: text/vnd.graphviz

Note: I don't know if XDG_DATA_DIRS is supposed to have highest priority
last, but File::MimeInfo.pm reverse reverse the list of data dirs before
processing the mime type info and select the first match.

I'm using libfile-mimeinfo-perl version 0.27-1.

Best regards.

** Affects: libfile-mimeinfo-perl (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1744953

Title:
  mimetype prefer system mime database over user one

Status in libfile-mimeinfo-perl package in Ubuntu:
  New

Bug description:
  Local database for mime types is looked up *after* the system one, so
  user cannot override the system database.

  * How to reproduce *

  I have a user mime entry for .dot files to recognize it as a graphviz
  file, since the system mime database list 2 conflicting entries (word
  template and graphviz file). mimetype query default <some dot file>
  gives:

  <some dot file>: application/msword-template

  However, XDG_DATA_DIRS=/usr/share:/home/thopre01/.local/share
  /usr/bin/mimetype <some dot file> gives:

  <some dot file>: text/vnd.graphviz

  Note: I don't know if XDG_DATA_DIRS is supposed to have highest
  priority last, but File::MimeInfo.pm reverse reverse the list of data
  dirs before processing the mime type info and select the first match.

  I'm using libfile-mimeinfo-perl version 0.27-1.

  Best regards.

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