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add Render flag to 'file' template directive

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{file,In,Out,true} = render with mustache
{file,In,Out,false} = do not render with mustache (leave as-is)

old-form {file,In,Out} is equivalent to {file,In,Out,true}
This commit is contained in:
Bryan Fink 2010-02-04 15:52:44 -05:00
parent 4e01b32d5d
commit 4c2dade0f4
1 changed files with 9 additions and 2 deletions
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11
src/rebar_templater.erl
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@ -219,7 +219,7 @@ execute_template([], _TemplateType, _TemplateName, _Context, _Force, ExistingFil
Help = "To force overwriting, specify force=1 on the command line.\n", Help = "To force overwriting, specify force=1 on the command line.\n",
?ERROR("One or more files already exist on disk and were not generated:~n~s~s", [Msg , Help]) ?ERROR("One or more files already exist on disk and were not generated:~n~s~s", [Msg , Help])
end; end;
execute_template([{file, Input, Output} | Rest], TemplateType, TemplateName, Context, Force, ExistingFiles) -> execute_template([{file, Input, Output, Render} | Rest], TemplateType, TemplateName, Context, Force, ExistingFiles) ->
% determine if the target file already exists % determine if the target file already exists
FileExists = filelib:is_file(Output), FileExists = filelib:is_file(Output),
@ -234,7 +234,10 @@ execute_template([{file, Input, Output} | Rest], TemplateType, TemplateName, Con
true -> true ->
?CONSOLE("Writing ~s~n", [Output]) ?CONSOLE("Writing ~s~n", [Output])
end, end,
case file:write_file(Output, render(load_file(TemplateType, InputName), Context)) of Rendered = if Render -> render(load_file(TemplateType, InputName), Context);
true -> load_file(TemplateType, InputName)
end,
case file:write_file(Output, Rendered) of
ok -> ok ->
execute_template(Rest, TemplateType, TemplateName, Context, Force, ExistingFiles); execute_template(Rest, TemplateType, TemplateName, Context, Force, ExistingFiles);
{error, Reason} -> {error, Reason} ->
@ -253,6 +256,10 @@ execute_template([{dir, Name} | Rest], TemplateType, TemplateName, Context, Forc
end; end;
execute_template([{variables, _} | Rest], TemplateType, TemplateName, Context, Force, ExistingFiles) -> execute_template([{variables, _} | Rest], TemplateType, TemplateName, Context, Force, ExistingFiles) ->
execute_template(Rest, TemplateType, TemplateName, Context, Force, ExistingFiles); execute_template(Rest, TemplateType, TemplateName, Context, Force, ExistingFiles);
execute_template([{file, Input, Output} | Rest], TemplateType, TemplateName, Context, Force, ExistingFiles) ->
%% old short-form of {file,_,_} is same as
%% new long-form of {file,_,_,true}
execute_template([{file, Input, Output, true}|Rest], TemplateType, TemplateName, Context, Force, ExistingFiles);
execute_template([Other | Rest], TemplateType, TemplateName, Context, Force, ExistingFiles) -> execute_template([Other | Rest], TemplateType, TemplateName, Context, Force, ExistingFiles) ->
?WARN("Skipping unknown template instruction: ~p\n", [Other]), ?WARN("Skipping unknown template instruction: ~p\n", [Other]),
execute_template(Rest, TemplateType, TemplateName, Context, Force, ExistingFiles). execute_template(Rest, TemplateType, TemplateName, Context, Force, ExistingFiles).