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-rw-r--r--src/rebar_app_info.erl8
-rw-r--r--src/rebar_config.erl38
-rw-r--r--src/rebar_prv_lock.erl3
-rw-r--r--src/rebar_prv_unlock.erl9
-rw-r--r--src/rebar_state.erl8
-rw-r--r--test/rebar_lock_SUITE.erl46
6 files changed, 95 insertions, 17 deletions
diff --git a/src/rebar_app_info.erl b/src/rebar_app_info.erl
index 9fee4e0..cf3b82e 100644
--- a/src/rebar_app_info.erl
+++ b/src/rebar_app_info.erl
@@ -165,13 +165,13 @@ update_opts(AppInfo, Opts, Config) ->
deps_from_config(Dir, Config) ->
case rebar_config:consult_lock_file(filename:join(Dir, ?LOCK_FILE)) of
- [D] ->
+ [] ->
+ [{{deps, default}, proplists:get_value(deps, Config, [])}];
+ D ->
%% We want the top level deps only from the lock file.
%% This ensures deterministic overrides for configs.
Deps = [X || X <- D, element(3, X) =:= 0],
- [{{locks, default}, D}, {{deps, default}, Deps}];
- _ ->
- [{{deps, default}, proplists:get_value(deps, Config, [])}]
+ [{{locks, default}, D}, {{deps, default}, Deps}]
end.
%% @doc discover a complete version of the app info with all fields set.
diff --git a/src/rebar_config.erl b/src/rebar_config.erl
index 61301cb..8d7bcf4 100644
--- a/src/rebar_config.erl
+++ b/src/rebar_config.erl
@@ -30,6 +30,7 @@
,consult_app_file/1
,consult_file/1
,consult_lock_file/1
+ ,write_lock_file/2
,verify_config_format/1
,format_error/1
@@ -50,7 +51,40 @@ consult_app_file(File) ->
consult_file_(File).
consult_lock_file(File) ->
- consult_file_(File).
+ Terms = consult_file_(File),
+ case Terms of
+ [] ->
+ [];
+ [Locks] when is_list(Locks) -> % beta lock file
+ Locks;
+ [{Vsn, Locks}|Attrs] when is_list(Locks) -> % versioned lock file
+ %% Make sure the warning above is to be shown whenever a version
+ %% newer than the current one is being used, as we can't parse
+ %% all the contents of the lock file properly.
+ ?WARN("Rebar3 detected a lock file from a newer version. "
+ "It will be loaded in compatibility mode, but important "
+ "information may be missing or lost. It is recommended to "
+ "upgrade Rebar3.", []),
+ read_attrs(Vsn, Locks, Attrs)
+ end.
+
+write_lock_file(LockFile, Locks) ->
+ NewLocks = write_attrs(Locks),
+ %% Write locks in the beta format, at least until it's been long
+ %% enough we can start modifying the lock format.
+ file:write_file(LockFile, io_lib:format("~p.~n", [NewLocks])).
+
+read_attrs(_Vsn, Locks, _Attrs) ->
+ %% Beta copy does not know how to expand attributes, but
+ %% is ready to support it.
+ Locks.
+
+write_attrs(Locks) ->
+ %% No attribute known that needs to be taken out of the structure,
+ %% just return terms as is.
+ Locks.
+
+
consult_file(File) ->
Terms = consult_file_(File),
@@ -87,7 +121,7 @@ verify_config_format([Term | _]) ->
merge_locks(Config, []) ->
Config;
%% lockfile with entries
-merge_locks(Config, [Locks]) ->
+merge_locks(Config, Locks) ->
ConfigDeps = proplists:get_value(deps, Config, []),
%% We want the top level deps only from the lock file.
%% This ensures deterministic overrides for configs.
diff --git a/src/rebar_prv_lock.erl b/src/rebar_prv_lock.erl
index 8578979..cbe8dfe 100644
--- a/src/rebar_prv_lock.erl
+++ b/src/rebar_prv_lock.erl
@@ -35,8 +35,7 @@ do(State) ->
OldLocks = rebar_state:get(State, {locks, default}, []),
Locks = lists:keysort(1, build_locks(State)),
Dir = rebar_state:dir(State),
- file:write_file(filename:join(Dir, ?LOCK_FILE),
- io_lib:format("~p.~n", [Locks])),
+ rebar_config:write_lock_file(filename:join(Dir, ?LOCK_FILE), Locks),
State1 = rebar_state:set(State, {locks, default}, Locks),
OldLockNames = [element(1,L) || L <- OldLocks],
diff --git a/src/rebar_prv_unlock.erl b/src/rebar_prv_unlock.erl
index b049c92..7ff0d89 100644
--- a/src/rebar_prv_unlock.erl
+++ b/src/rebar_prv_unlock.erl
@@ -46,15 +46,14 @@ do(State) ->
{ok, State};
{error, Reason} ->
?PRV_ERROR({file,Reason});
- {ok, [Locks]} ->
+ {ok, _} ->
+ Locks = rebar_config:consult_lock_file(LockFile),
case handle_unlocks(State, Locks, LockFile) of
ok ->
{ok, State};
{error, Reason} ->
?PRV_ERROR({file,Reason})
- end;
- {ok, _Other} ->
- ?PRV_ERROR(unknown_lock_format)
+ end
end.
-spec format_error(any()) -> iolist().
@@ -74,7 +73,7 @@ handle_unlocks(State, Locks, LockFile) ->
_ when Names =:= [] -> % implicitly all locks
file:delete(LockFile);
NewLocks ->
- file:write_file(LockFile, io_lib:format("~p.~n", [NewLocks]))
+ rebar_config:write_lock_file(LockFile, NewLocks)
end.
parse_names(Bin) ->
diff --git a/src/rebar_state.erl b/src/rebar_state.erl
index 0c07b2a..5ec2aef 100644
--- a/src/rebar_state.erl
+++ b/src/rebar_state.erl
@@ -115,13 +115,13 @@ new(ParentState, Config, Deps, Dir) ->
deps_from_config(Dir, Config) ->
case rebar_config:consult_lock_file(filename:join(Dir, ?LOCK_FILE)) of
- [D] ->
+ [] ->
+ [{{deps, default}, proplists:get_value(deps, Config, [])}];
+ D ->
%% We want the top level deps only from the lock file.
%% This ensures deterministic overrides for configs.
Deps = [X || X <- D, element(3, X) =:= 0],
- [{{locks, default}, D}, {{deps, default}, Deps}];
- _ ->
- [{{deps, default}, proplists:get_value(deps, Config, [])}]
+ [{{locks, default}, D}, {{deps, default}, Deps}]
end.
base_state() ->
diff --git a/test/rebar_lock_SUITE.erl b/test/rebar_lock_SUITE.erl
new file mode 100644
index 0000000..00875f7
--- /dev/null
+++ b/test/rebar_lock_SUITE.erl
@@ -0,0 +1,46 @@
+%%% Most locking tests are implicit in other test suites handling
+%%% dependencies.
+%%% This suite is to test the compatibility layers between various
+%%% versions of lockfiles.
+-module(rebar_lock_SUITE).
+-compile(export_all).
+-include_lib("common_test/include/ct.hrl").
+-include_lib("eunit/include/eunit.hrl").
+
+all() -> [current_version, future_versions_no_attrs, future_versions_attrs].
+
+current_version(Config) ->
+ %% Current version just dumps the locks as is on disk.
+ LockFile = filename:join(?config(priv_dir, Config), "current_version"),
+ Locks = [{<<"app1">>, {git,"some_url", {ref,"some_ref"}}, 2},
+ {<<"app2">>, {git,"some_url", {ref,"some_ref"}}, 0},
+ {<<"app3">>, {hg,"some_url", {ref,"some_ref"}}, 1},
+ {<<"pkg1">>,{pkg,<<"name">>,<<"0.1.6">>},3}],
+ file:write_file(LockFile, io_lib:format("~p.~n", [Locks])),
+ ?assertEqual(Locks, rebar_config:consult_lock_file(LockFile)).
+
+future_versions_no_attrs(Config) ->
+ %% Future versions will keep the same core attribute in there, but
+ %% will do so under a new format bundled with a version and potentially
+ %% some trailing attributes
+ LockFile = filename:join(?config(priv_dir, Config), "future_versions"),
+ Locks = [{<<"app1">>, {git,"some_url", {ref,"some_ref"}}, 2},
+ {<<"app2">>, {git,"some_url", {ref,"some_ref"}}, 0},
+ {<<"app3">>, {hg,"some_url", {ref,"some_ref"}}, 1},
+ {<<"pkg1">>,{pkg,<<"name">>,<<"0.1.6">>},3}],
+ LockData = {"3.5.2", Locks},
+ file:write_file(LockFile, io_lib:format("~p.~n", [LockData])),
+ ?assertEqual(Locks, rebar_config:consult_lock_file(LockFile)).
+
+future_versions_attrs(Config) ->
+ %% Future versions will keep the same core attribute in there, but
+ %% will do so under a new format bundled with a version and potentially
+ %% some trailing attributes
+ LockFile = filename:join(?config(priv_dir, Config), "future_versions"),
+ Locks = [{<<"app1">>, {git,"some_url", {ref,"some_ref"}}, 2},
+ {<<"app2">>, {git,"some_url", {ref,"some_ref"}}, 0},
+ {<<"app3">>, {hg,"some_url", {ref,"some_ref"}}, 1},
+ {<<"pkg1">>,{pkg,<<"name">>,<<"0.1.6">>},3}],
+ LockData = {"3.5.2", Locks},
+ file:write_file(LockFile, io_lib:format("~p.~na.~n{b,c}.~n[d,e,f].~n", [LockData])),
+ ?assertEqual(Locks, rebar_config:consult_lock_file(LockFile)).
generated by cgit v1.1 at 2025-10-26 23:35:39 +0000