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authorUlf Wiger <ulf@feuerlabs.com>2012-07-21 17:35:14 +0200
committerTuncer Ayaz <tuncer.ayaz@gmail.com>2012-07-21 17:52:01 +0200
commit6996cd4fcc9dbd80591db38fd3cccfc8ee4aec16 (patch)
tree85262a732976ba941fcea140e130a2bac59ddc34 /LICENSE
parenta8d11dc273f3ccafc683a8c4eaa7fe6aeae84b0a (diff)
Use a more appropriate method to check reltool's vsn
If running e.g. rebar generate using an OTP development build, rebar will complain that reltool has the version "", which is less than the required "0.5.2". This is because rebar_reltool simply checks the path returned by code:which(reltool), which doesn't yield version information if used in a development build. This patch substitutes a more robust method (load reltool and fetch the info from application:loaded_applications()). As it happens, this will not be enough to make things work, but now Reltool will explain that it cannot generate a spec from a system that is not installed, giving a better hint as to what needs to be done.
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