[Mesa-dev] [PATCH 2/2] mesa: load a user defined drirc file specified via an environment variable

[Gustaw Smolarczyk]

26 mar 2017 22:32 "Edmondo Tommasina" <edmondo.tommasina at gmail.com>
napisał(a):

Define a new MESA_USER_DRIRC environment variable to load a customized
drirc file.

When the variable is not defined, nothing changes and the ${HOME}/.drirc
file will be loaded.

If the variable is set to a file, this file will be loaded instead of
the the ${HOME}/.drirc.

Example: MESA_USER_DRIRC=~/glthread.drirc glxgears

If the variable is set to nothing, it avoids to load the ${HOME}/.drirc
file.

Example: MESA_USER_DRIRC= glxgears


Isn't a different behavior of unset variable vs an empty one confusing? And
what about at least documenting it outside of the commit message?

Gustaw
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