Matthieu Coudron 6920c23701 Improve error message for conflicting priorities ... I find the error message 'nix-env --set-flag priority NUMBER PKGNAME' not as helpful as it could be : - doesn't share the current priorities - doesn't say that the command must be run on the already installed PKGNAME (which is confusing the first time) - the doc needs careful reading: "If there are multiple derivations matching a name in args that have the same name (e.g., gcc-3.3.6 and gcc-4.1.1), then the derivation with the highest priority is used." if one stops reading there, he is screwed. Salvation comes with reading "A derivation can define a priority by declaring the meta.priority attribute. This attribute should be a number, with a higher value denoting a lower priority. The default priority is 0." To sum it up, lower number wins. I tried to convey this idea in the message too.		2017-09-21 10:25:20 +09:00
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buildenv.cc	Improve error message for conflicting priorities	2017-09-21 10:25:20 +09:00
local.mk	Fix Fedora build	2016-08-30 13:56:22 +02:00