CODEWITHSUNDEEP
erlangrebar
legoscia
legoscia

Reputation: 41578

How can I load a Rebar plugin for 'pre-compile' from a dependency?

I have a number of applications that need a header file to be generated before compilation. This seemed to be a perfect candidate for a Rebar plugin, so I created a plugin with a pre_compile function, put it in a Git repository, and listed it as a dependency in rebar.config in the other applications.

However, the plugin must be compiled before it can be loaded, so when I run rebar compile -v I find that rebar complains about not finding the plugin, then compiles the dependency, and then fails to compile my application because the header file has not been generated.

Is there a way to accomplish what I'm trying to achieve with a Rebar plugin, or do I need to find another way to do it?

Upvotes: 1

Views: 405

Answers (1)

legoscia
legoscia

Reputation: 41578

The plugin_dir option is your friend:

{plugin_dir, "deps/my_plugin/src"}.

That makes Rebar try to compile the plugin from that source directory if it can't find it in the code path already.

Upvotes: 1

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