aboutsummaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
authorLuis Rascao <[email protected]>2015-02-19 11:05:49 +0000
committerLuis Rascao <[email protected]>2015-02-19 11:48:54 +0000
commitd1f1c8dc134cb1d4c832cfb0171ca7b859a2a600 (patch)
tree3f47f9dd515980b5bf7cf4974fe1467107f09111 /src
parenta2e8eaa4fb6307e0d71ba932de6eb9378ddae937 (diff)
downloadrelx-d1f1c8dc134cb1d4c832cfb0171ca7b859a2a600.tar.gz
relx-d1f1c8dc134cb1d4c832cfb0171ca7b859a2a600.tar.bz2
relx-d1f1c8dc134cb1d4c832cfb0171ca7b859a2a600.zip
support overlay file inclusion
allow overlay inclusion of other files, similarly to what OTP already does in sys.config files
Diffstat (limited to 'src')
-rw-r--r--src/rlx_prv_overlay.erl21
1 files changed, 20 insertions, 1 deletions
diff --git a/src/rlx_prv_overlay.erl b/src/rlx_prv_overlay.erl
index ab0f74e..cdce915 100644
--- a/src/rlx_prv_overlay.erl
+++ b/src/rlx_prv_overlay.erl
@@ -161,6 +161,21 @@ read_overlay_vars(State, OverlayVars, FileNames) ->
Error
end.
+-spec check_overlay_inclusion(rlx_state:t(), string(), proplists:proplist()) ->
+ proplists:proplist().
+check_overlay_inclusion(State, RelativeRoot, Terms) ->
+ check_overlay_inclusion(State, RelativeRoot, Terms, []).
+
+-spec check_overlay_inclusion(rlx_state:t(), string(), proplists:proplist(), proplists:proplist()) ->
+ proplists:proplist().
+check_overlay_inclusion(State, RelativeRoot, [File|T], Terms) when is_list(File) ->
+ IncludedTerms = merge_overlay_vars(State, [filename:join(RelativeRoot, File)]),
+ check_overlay_inclusion(State, RelativeRoot, T, Terms ++ IncludedTerms);
+check_overlay_inclusion(State, RelativeRoot, [Tuple|T], Terms) ->
+ check_overlay_inclusion(State, RelativeRoot, T, Terms ++ [Tuple]);
+check_overlay_inclusion(_State, _RelativeRoot, [], Terms) ->
+ Terms.
+
-spec merge_overlay_vars(rlx_state:t(), [file:name()]) ->
proplists:proplist().
merge_overlay_vars(State, FileNames) ->
@@ -169,7 +184,11 @@ merge_overlay_vars(State, FileNames) ->
RelativePath = filename:join(RelativeRoot, erlang:iolist_to_binary(FileName)),
case file:consult(RelativePath) of
{ok, Terms} ->
- lists:ukeymerge(1, lists:ukeysort(1, Terms), Acc);
+ % the location of the included overlay files will be relative
+ %% to the current one being read
+ OverlayRelativeRoot = filename:dirname(FileName),
+ NewTerms = check_overlay_inclusion(State, OverlayRelativeRoot, Terms),
+ lists:ukeymerge(1, lists:ukeysort(1, NewTerms), Acc);
{error, Reason} ->
ec_cmd_log:warn(rlx_state:log(State),
format_error({unable_to_read_varsfile, FileName, Reason})),