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https://github.com/correl/rebar.git
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Got basic retrieval of deps from hg sorta working; minor refactoring of rebar_utils:sh interface
This commit is contained in:
Dave Smith
parent
1fe4d13e25
commit
5cd5870f32
2 changed files with 144 additions and 19 deletions
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@ -37,8 +37,14 @@ preprocess(Config, _) ->
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DepsDir = rebar_config:get(Config, deps_dir, "deps"),
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%% Process the list of deps from the configuration
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Dirs = process_deps(rebar_config:get(Config, deps, []), [], DepsDir),
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{ok, Config, Dirs}.
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case catch(process_deps(rebar_config:get(Config, deps, []), [], DepsDir)) of
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Dirs when is_list(Dirs) ->
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%% Filter out deps from config so sub-dirs don't wind up trying to d/l deps again
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Config2 = rebar_config:delete(Config, deps),
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{ok, Config2, Dirs};
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{'EXIT', Reason} ->
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?ABORT("Error while processing dependencies: ~p\n", [Reason])
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end.
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%% ===================================================================
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@ -48,13 +54,130 @@ preprocess(Config, _) ->
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process_deps([], Acc, _Dir) ->
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Acc;
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process_deps([App | Rest], Acc, Dir) when is_atom(App) ->
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require_app(App, ".*"),
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process_deps(Rest, Acc, Dir);
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process_deps([{App, VsnRegex} | Rest], Acc, Dir) when is_atom(App) ->
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require_app(App, VsnRegex),
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process_deps(Rest, Acc, Dir);
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process_deps([{App, VsnRegex, Source} | Rest], Acc, Dir) ->
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?DEBUG("Process deps: ~p\n", [Rest]),
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case is_app_available(App, VsnRegex) of
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true ->
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process_deps(Rest, Acc, Dir);
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false ->
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%% App may not be on the code path, or the version that is doesn't
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%% match our regex. Either way, we want to pull our revision into
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%% the deps dir and try to use that
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require_source_engine(Source),
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AppDir = filename:join(Dir, App),
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use_source(AppDir, App, VsnRegex, Source),
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process_deps(Rest, [AppDir | Acc], Dir)
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end;
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process_deps([Other | _Rest], _Acc, _Dir) ->
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?ABORT("Invalid dependency specification ~p in ~s\n",
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[Other, rebar_utils:get_cwd()]).
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require_app(App, VsnRegex) ->
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case is_app_available(App, VsnRegex) of
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true ->
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ok;
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false ->
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%% The requested app is not available on the code path
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?ABORT("~s: Dependency ~s-~s not available.\n",
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[rebar_utils:get_cwd(), App, VsnRegex])
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end.
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require_source_engine(Source) ->
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case source_engine_avail(Source) of
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true ->
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ok;
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false ->
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?ABORT("No command line interface available to process ~p\n", [Source])
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end.
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is_app_available(App, VsnRegex) ->
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case code:lib_dir(App) of
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{error, bad_name} ->
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%% The requested app is not available on the code path
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?ABORT("~s: Dependency ~s not available.\n",
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[rebar_utils:get_cwd(), App]);
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false;
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Path ->
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?INFO("Dependency ~s -> ~s\n", [App, Path])
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end,
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process_deps(Rest, Acc, Dir).
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is_app_available(App, VsnRegex, Path)
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end.
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is_app_available(App, VsnRegex, Path) ->
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case rebar_app_utils:is_app_dir(Path) of
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{true, AppFile} ->
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case rebar_app_utils:load_app_file(AppFile) of
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{ok, App, AppData} ->
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{vsn, Vsn} = lists:keyfind(vsn, 1, AppData),
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?INFO("Looking for ~s-~s ; found ~s-~s at ~s\n",
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[App, VsnRegex, App, Vsn, Path]),
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case re:run(Vsn, VsnRegex, [{capture, none}]) of
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match ->
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true;
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nomatch ->
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?WARN("~s has version ~p; requested regex was ~s\n",
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[AppFile, Vsn, VsnRegex]),
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false
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end;
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{ok, OtherApp, _} ->
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?WARN("~s has application id ~p; expected ~p\n", [AppFile, OtherApp, App]),
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false;
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{error, Reason} ->
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?ABORT("Failed to parse ~s: ~p\n", [AppFile, Reason])
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end;
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false ->
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?WARN("Expected ~s to be an app dir (containing ebin/*.app), but no .app found.\n",
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[Path]),
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false
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end.
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use_source(AppDir, App, VsnRegex, Source) ->
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use_source(AppDir, App, VsnRegex, Source, 3).
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use_source(_AppDir, _App, _VsnRegex, Source, 0) ->
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?ABORT("Failed to acquire source from ~p after 3 tries.\n", [Source]);
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use_source(AppDir, App, VsnRegex, Source, Count) ->
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case filelib:is_dir(AppDir) of
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true ->
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%% Already downloaded -- verify the versioning matches up with our regex
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case is_app_available(App, VsnRegex, AppDir) of
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true ->
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%% Available version matches up -- we're good to go; add the
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%% app dir to our code path
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code:add_patha(filename:join(AppDir, ebin)),
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ok;
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false ->
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%% The app that was downloaded doesn't match up (or had
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%% errors or something). For the time being, abort.
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?ABORT("Dependency dir ~s does not satisfy version regex ~s.\n",
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[AppDir, VsnRegex])
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end;
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false ->
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download_source(AppDir, Source),
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use_source(AppDir, App, VsnRegex, Source, Count-1)
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end.
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download_source(AppDir, {hg, Url, Rev}) ->
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ok = filelib:ensure_dir(AppDir),
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Cmd = ?FMT("hg clone -u ~s ~s", [Rev, Url]),
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rebar_utils:sh(Cmd, [], filename:dirname(AppDir)).
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%% ===================================================================
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%% Source helper functions
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%% ===================================================================
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source_engine_avail({hg, _, _}) ->
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Res = os:cmd("which hg"),
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?DEBUG("which hg = ~p\n", [Res]),
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case Res of
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[] ->
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false;
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_ ->
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true
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end;
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source_engine_avail(_) ->
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false.
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@ -27,7 +27,7 @@
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-export([get_cwd/0,
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is_arch/1,
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get_os/0,
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sh/2,
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sh/2, sh/3,
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sh_failfast/2,
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now_str/0]).
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@ -62,20 +62,22 @@ get_os() ->
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sh(Command, Env) ->
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?INFO("sh: ~s\n~p\n", [Command, Env]),
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Port = open_port({spawn, Command}, [{env, Env}, exit_status, {line, 16384},
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use_stdio, stderr_to_stdout]),
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sh_loop(Port).
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sh(Command, Env, get_cwd()).
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sh_failfast(Command, Env) ->
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case sh(Command, Env) of
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sh(Command, Env, Dir) ->
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?INFO("sh: ~s\n~p\n", [Command, Env]),
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Port = open_port({spawn, Command}, [{cd, Dir}, {env, Env}, exit_status, {line, 16384},
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use_stdio, stderr_to_stdout]),
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case sh_loop(Port) of
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ok ->
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ok;
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{error, Rc} ->
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?ERROR("~s failed with error: ~w\n", [Command, Rc]),
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?FAIL
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?ABORT("~s failed with error: ~w\n", [Command, Rc])
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end.
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sh_failfast(Command, Env) ->
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sh(Command, Env).
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now_str() ->
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{{Year, Month, Day}, {Hour, Minute, Second}} = calendar:local_time(),
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lists:flatten(io_lib:format("~4b/~2..0b/~2..0b ~2..0b:~2..0b:~2..0b",
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@ -95,10 +97,10 @@ match_first([{Regex, MatchValue} | Rest], Val) ->
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match_first(Rest, Val)
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end.
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sh_loop(Port) ->
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sh_loop(Port) ->
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receive
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{Port, {data, {_, Line}}} ->
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?INFO("> ~s\n", [Line]),
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?CONSOLE("~s\n", [Line]),
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sh_loop(Port);
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{Port, {exit_status, 0}} ->
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ok;
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