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'undefined' overlay var #61

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aerosol opened this issue Oct 2, 2013 · 2 comments
Closed

'undefined' overlay var #61

aerosol opened this issue Oct 2, 2013 · 2 comments

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@aerosol
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aerosol commented Oct 2, 2013

For {foo, undefined} overlay variable relx produces {foo, } causing the release fail to start due to syntax error. Is there a workaround for this?
@tsloughter
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Are you saying that {foo, undefined} in the variables will replace {{foo}} with nothing instead of the atom undefined?

@tsloughter
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Ah, so I tested this in erlydtl:

1> erlydtl:compile(<<"<html>{{ foo }}</html>">>, my_module_name).
{ok,my_module_name}
2> my_module_name:render([{foo, undefined}]).
{ok,[<<"<html>">>,[],<<"</html>">>]}

So that is a part of erlydtl that relx uses for templates.

Let me know if I can close this issue. It would need to be taken up with erlydtl.

@aerosol aerosol closed this as completed Oct 10, 2013
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@tsloughter @aerosol