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authorLuke Shumaker <lukeshu@sbcglobal.net>2014-12-31 19:42:26 -0500
committerLuke Shumaker <lukeshu@sbcglobal.net>2014-12-31 19:42:26 -0500
commit93c3357b51535961c42f711e19a7127a623d180e (patch)
tree9a96f54c29e31ecb11412501418cb11ef491d444 /src/abslibre-tools
parentc50825cb8923e35282be44b2c7fc417ee1dc19e0 (diff)
librefetch.conf: only select a graphical DIFFPROG if DISPLAY is set.
There was a request on the bug tracker a while ago to not include graphical programs in the list searched, as sometimes they used libretools without X. We closed it as WONTFIX because it's a configuration option; if you don't like the default value, then set it to something different. But, checking for DISPLAY is trivial, and probably makes more people happy out-of-the-box, which is good. I don't know why I didn't think of it then.
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