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Diffstat (limited to 'src/rebar_file_utils.erl')
| -rw-r--r-- | src/rebar_file_utils.erl | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/rebar_file_utils.erl b/src/rebar_file_utils.erl index 0e0dfe3..b2f34f0 100644 --- a/src/rebar_file_utils.erl +++ b/src/rebar_file_utils.erl @@ -28,6 +28,7 @@ -export([try_consult/1, consult_config/2, + consult_config_terms/2, format_error/1, symlink_or_copy/2, rm_rf/1, @@ -66,6 +67,8 @@ try_consult(File) -> throw(?PRV_ERROR({bad_term_file, File, Reason})) end. +%% @doc Parse a sys.config file and return the configuration terms +%% for all its potentially nested configs. -spec consult_config(rebar_state:t(), string()) -> [[tuple()]]. consult_config(State, Filename) -> Fullpath = filename:join(rebar_dir:root_dir(State), Filename), @@ -74,6 +77,18 @@ consult_config(State, Filename) -> [T] -> T; [] -> [] end, + consult_config_terms(State, Config). + +%% @doc From a parsed sys.config file, expand all the terms to include +%% its potential nested configs. It is also possible that no sub-terms +%% (i.e. the config file does not refer to "some/other/file.config") +%% that the input term is returned as-is. +%% +%% This function is added mostly to help with variable substitution +%% and evaluation of 'sys.config.src' files, giving a way to handle +%% expansion that is separate from regular config handling. +-spec consult_config_terms(rebar_state:t(), [tuple()]) -> [[tuple()]]. +consult_config_terms(State, Config) -> JoinedConfig = lists:flatmap( fun (SubConfig) when is_list(SubConfig) -> case lists:suffix(".config", SubConfig) of |