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Fix comments and formatting

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This commit is contained in:
Tuncer Ayaz 2011-10-26 20:08:35 +02:00
parent 17616d1078
commit c373f29292
2 changed files with 13 additions and 9 deletions
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18
src/rebar_port_compiler.erl
View file

@ -300,23 +300,27 @@ expand_vars_loop([], Recurse, Vars, Count) ->
expand_vars_loop(Recurse, [], Vars, Count-1);
expand_vars_loop([{K, V} | Rest], Recurse, Vars, Count) ->
%% Identify the variables that need expansion in this value
case re:run(V, "\\\${?(\\w+)}?", [global, {capture, all_but_first, list}]) of
ReOpts = [global, {capture, all_but_first, list}],
case re:run(V, "\\\${?(\\w+)}?", ReOpts) of
{match, Matches} ->
%% Identify the unique variables that need to be expanded
UniqueMatches = lists:usort([M || [M] <- Matches]),
%% For each variable, expand it and return the final value. Note that
%% if we have a bunch of unresolvable variables, nothing happens and
%% we don't bother attempting further expansion
%% For each variable, expand it and return the final
%% value. Note that if we have a bunch of unresolvable
%% variables, nothing happens and we don't bother
%% attempting further expansion
case expand_keys_in_value(UniqueMatches, V, Vars) of
V ->
%% No change after expansion; move along
expand_vars_loop(Rest, Recurse, Vars, Count);
Expanded ->
%% Some expansion occurred; move to next k/v but revist
%% this value in the next loop to check for further expansion
%% Some expansion occurred; move to next k/v but
%% revisit this value in the next loop to check
%% for further expansion
NewVars = dict:store(K, Expanded, Vars),
expand_vars_loop(Rest, [{K, Expanded} | Recurse], NewVars, Count)
expand_vars_loop(Rest, [{K, Expanded} | Recurse],
NewVars, Count)
end;
nomatch ->

4
src/rebar_utils.erl
View file

@ -191,11 +191,11 @@ expand_env_variable(InStr, VarName, RawVarValue) ->
%% No variables to expand
InStr;
_ ->
ReOpts = [global, {return, list}],
VarValue = re:replace(RawVarValue, "\\\\", "\\\\\\\\", [global]),
%% Use a regex to match/replace:
%% $FOO\s | ${FOO} | $FOO eol
%% Given variable "FOO": match $FOO\s | $FOOeol | ${FOO}
RegEx = io_lib:format("\\\$(~s(\\s|$)|{~s})", [VarName, VarName]),
ReOpts = [global, {return, list}],
re:replace(InStr, RegEx, VarValue ++ "\\2", ReOpts)
end.