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rebar/src/rebar_deps.erl
Nathaniel Waisbrot 41f1a891d9 Add 'p4' (Perforce) as a dependency type 
This calls the 'p4' command-line tool to checkout and sync Perforce
trees. It involves significantly more special code in Rebar than
using 'git p4', but it eliminates the indirection of
Rebar->Git->Python->Perforce
2014-03-17 15:49:44 -04:00

819 lines
34 KiB
Erlang
Raw Blame History

%% -*- erlang-indent-level: 4;indent-tabs-mode: nil -*-
%% ex: ts=4 sw=4 et
%% -------------------------------------------------------------------
%%
%% rebar: Erlang Build Tools
%%
%% Copyright (c) 2009 Dave Smith (dizzyd@dizzyd.com)
%%
%% Permission is hereby granted, free of charge, to any person obtaining a copy
%% of this software and associated documentation files (the "Software"), to deal
%% in the Software without restriction, including without limitation the rights
%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
%% copies of the Software, and to permit persons to whom the Software is
%% furnished to do so, subject to the following conditions:
%%
%% The above copyright notice and this permission notice shall be included in
%% all copies or substantial portions of the Software.
%%
%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
%% THE SOFTWARE.
%% -------------------------------------------------------------------
-module(rebar_deps).
-include("rebar.hrl").
-export([preprocess/2,
postprocess/2,
compile/2,
setup_env/1,
'check-deps'/2,
'get-deps'/2,
'update-deps'/2,
'delete-deps'/2,
'list-deps'/2]).
%% for internal use only
-export([info/2]).
-record(dep, { dir,
app,
vsn_regex,
source,
is_raw }). %% is_raw = true means non-Erlang/OTP dependency
%% ===================================================================
%% Public API
%% ===================================================================
preprocess(Config, _) ->
%% Side effect to set deps_dir globally for all dependencies from
%% top level down. Means the root deps_dir is honoured or the default
%% used globally since it will be set on the first time through here
Config1 = set_shared_deps_dir(Config, get_shared_deps_dir(Config, [])),
%% Get the list of deps for the current working directory and identify those
%% deps that are available/present.
Deps = rebar_config:get_local(Config1, deps, []),
{Config2, {AvailableDeps, MissingDeps}} = find_deps(Config1, find, Deps),
?DEBUG("Available deps: ~p\n", [AvailableDeps]),
?DEBUG("Missing deps : ~p\n", [MissingDeps]),
%% Add available deps to code path
Config3 = update_deps_code_path(Config2, AvailableDeps),
%% Filtering out 'raw' dependencies so that no commands other than
%% deps-related can be executed on their directories.
NonRawAvailableDeps = [D || D <- AvailableDeps, not D#dep.is_raw],
case rebar_config:get_xconf(Config, current_command, undefined) of
'update-deps' ->
%% Skip ALL of the dep folders, we do this because we don't want
%% any other calls to preprocess() for update-deps beyond the
%% toplevel directory. They aren't actually harmful, but they slow
%% things down unnecessarily.
NewConfig = lists:foldl(
fun(D, Acc) ->
rebar_config:set_skip_dir(Acc, D#dep.dir)
end,
Config3,
collect_deps(rebar_utils:get_cwd(), Config3)),
%% Return the empty list, as we don't want anything processed before
%% us.
{ok, NewConfig, []};
_ ->
%% If skip_deps=true, mark each dep dir as a skip_dir w/ the core
%% so that the current command doesn't run on the dep dir.
%% However, pre/postprocess WILL run (and we want it to) for
%% transitivity purposes.
%%
%% Also, if skip_deps=comma,separated,app,list, then only the given
%% dependencies are skipped.
NewConfig =
case rebar_config:get_global(Config3, skip_deps, false) of
"true" ->
lists:foldl(
fun(#dep{dir = Dir}, C) ->
rebar_config:set_skip_dir(C, Dir)
end, Config3, AvailableDeps);
Apps when is_list(Apps) ->
SkipApps = [list_to_atom(App) ||
App <- string:tokens(Apps, ",")],
lists:foldl(
fun(#dep{dir = Dir, app = App}, C) ->
case lists:member(App, SkipApps) of
true -> rebar_config:set_skip_dir(C, Dir);
false -> C
end
end, Config3, AvailableDeps);
_ ->
Config3
end,
%% Return all the available dep directories for process
{ok, NewConfig, dep_dirs(NonRawAvailableDeps)}
end.
postprocess(Config, _) ->
case rebar_config:get_xconf(Config, ?MODULE, undefined) of
undefined ->
{ok, []};
Dirs ->
NewConfig = rebar_config:erase_xconf(Config, ?MODULE),
{ok, NewConfig, Dirs}
end.
compile(Config, _) ->
{Config1, _AvailDeps} = do_check_deps(Config),
{ok, Config1}.
%% set REBAR_DEPS_DIR and ERL_LIBS environment variables
setup_env(Config) ->
{true, DepsDir} = get_deps_dir(Config),
%% include rebar's DepsDir in ERL_LIBS
Separator = case os:type() of
{win32, nt} ->
";";
_ ->
":"
end,
ERL_LIBS = case os:getenv("ERL_LIBS") of
false ->
{"ERL_LIBS", DepsDir};
PrevValue ->
{"ERL_LIBS", DepsDir ++ Separator ++ PrevValue}
end,
[{"REBAR_DEPS_DIR", DepsDir}, ERL_LIBS].
%% common function used by 'check-deps' and 'compile'
do_check_deps(Config) ->
%% Get the list of immediate (i.e. non-transitive) deps that are missing
Deps = rebar_config:get_local(Config, deps, []),
case find_deps(Config, find, Deps) of
{Config1, {AvailDeps, []}} ->
%% No missing deps
{Config1, AvailDeps};
{_Config1, {_, MissingDeps}} ->
lists:foreach(fun (#dep{app=App, vsn_regex=Vsn, source=Src}) ->
?CONSOLE("Dependency not available: "
"~p-~s (~p)\n", [App, Vsn, Src])
end, MissingDeps),
?FAIL
end.
'check-deps'(Config, _) ->
{Config1, AvailDeps} = do_check_deps(Config),
{ok, save_dep_dirs(Config1, AvailDeps)}.
'get-deps'(Config, _) ->
%% Determine what deps are available and missing
Deps = rebar_config:get_local(Config, deps, []),
{Config1, {_AvailableDeps, MissingDeps}} = find_deps(Config, find, Deps),
MissingDeps1 = [D || D <- MissingDeps, D#dep.source =/= undefined],
%% For each missing dep with a specified source, try to pull it.
{Config2, PulledDeps} =
lists:foldl(fun(D, {C, PulledDeps0}) ->
{C1, D1} = use_source(C, D),
{C1, [D1 | PulledDeps0]}
end, {Config1, []}, MissingDeps1),
%% Add each pulled dep to our list of dirs for post-processing. This yields
%% the necessary transitivity of the deps
{ok, save_dep_dirs(Config2, lists:reverse(PulledDeps))}.
'update-deps'(Config, _) ->
Config1 = rebar_config:set_xconf(Config, depowner, dict:new()),
{Config2, UpdatedDeps} = update_deps_int(Config1, []),
DepOwners = rebar_config:get_xconf(Config2, depowner, dict:new()),
%% check for conflicting deps
_ = [?ERROR("Conflicting dependencies for ~p: ~p~n",
[K, [{"From: " ++ string:join(dict:fetch(D, DepOwners), ", "),
{D#dep.vsn_regex, D#dep.source}} || D <- V]])
|| {K, V} <- dict:to_list(
lists:foldl(
fun(Dep, Acc) ->
dict:append(Dep#dep.app, Dep, Acc)
end, dict:new(), UpdatedDeps)),
length(V) > 1],
%% Add each updated dep to our list of dirs for post-processing. This yields
%% the necessary transitivity of the deps
{ok, save_dep_dirs(Config, UpdatedDeps)}.
'delete-deps'(Config, _) ->
%% Delete all the available deps in our deps/ directory, if any
{true, DepsDir} = get_deps_dir(Config),
Deps = rebar_config:get_local(Config, deps, []),
{Config1, {AvailableDeps, _}} = find_deps(Config, find, Deps),
_ = [delete_dep(D)
|| D <- AvailableDeps,
lists:prefix(DepsDir, D#dep.dir)],
{ok, Config1}.
'list-deps'(Config, _) ->
Deps = rebar_config:get_local(Config, deps, []),
case find_deps(Config, find, Deps) of
{Config1, {AvailDeps, []}} ->
lists:foreach(fun(Dep) -> print_source(Dep) end, AvailDeps),
{ok, save_dep_dirs(Config1, AvailDeps)};
{_, MissingDeps} ->
?ABORT("Missing dependencies: ~p\n", [MissingDeps])
end.
%% ===================================================================
%% Internal functions
%% ===================================================================
info(help, compile) ->
info_help("Display to be fetched dependencies");
info(help, 'check-deps') ->
info_help("Display to be fetched dependencies");
info(help, 'get-deps') ->
info_help("Fetch dependencies");
info(help, 'update-deps') ->
info_help("Update fetched dependencies");
info(help, 'delete-deps') ->
info_help("Delete fetched dependencies");
info(help, 'list-deps') ->
info_help("List dependencies").
info_help(Description) ->
?CONSOLE(
"~s.~n"
"~n"
"Valid rebar.config options:~n"
" ~p~n"
" ~p~n"
"Valid command line options:~n"
" deps_dir=\"deps\" (override default or rebar.config deps_dir)~n",
[
Description,
{deps_dir, "deps"},
{deps,
[app_name,
{rebar, "1.0.*"},
{rebar, ".*",
{git, "git://github.com/rebar/rebar.git"}},
{rebar, ".*",
{git, "git://github.com/rebar/rebar.git", "Rev"}},
{rebar, "1.0.*",
{git, "git://github.com/rebar/rebar.git", {branch, "master"}}},
{rebar, "1.0.0",
{git, "git://github.com/rebar/rebar.git", {tag, "1.0.0"}}},
{rebar, "",
{git, "git://github.com/rebar/rebar.git", {branch, "master"}},
[raw]},
{app_name, ".*", {hg, "https://www.example.org/url"}},
{app_name, ".*", {rsync, "Url"}},
{app_name, ".*", {svn, "https://www.example.org/url"}},
{app_name, ".*", {svn, "svn://svn.example.org/url"}},
{app_name, ".*", {bzr, "https://www.example.org/url", "Rev"}},
{app_name, ".*", {fossil, "https://www.example.org/url"}},
{app_name, ".*", {fossil, "https://www.example.org/url", "Vsn"}},
{app_name, ".*", {p4, "//depot/subdir/app_dir"}}]}
]).
%% Added because of trans deps,
%% need all deps in same dir and should be the one set by the root rebar.config
%% In case one is given globally, it has higher priority
%% Sets a default if root config has no deps_dir set
set_shared_deps_dir(Config, []) ->
LocalDepsDir = rebar_config:get_local(Config, deps_dir, "deps"),
GlobalDepsDir = rebar_config:get_global(Config, deps_dir, LocalDepsDir),
DepsDir = case os:getenv("REBAR_DEPS_DIR") of
false ->
GlobalDepsDir;
Dir ->
Dir
end,
rebar_config:set_xconf(Config, deps_dir, DepsDir);
set_shared_deps_dir(Config, _DepsDir) ->
Config.
get_shared_deps_dir(Config, Default) ->
rebar_config:get_xconf(Config, deps_dir, Default).
get_deps_dir(Config) ->
get_deps_dir(Config, "").
get_deps_dir(Config, App) ->
BaseDir = rebar_utils:base_dir(Config),
DepsDir = get_shared_deps_dir(Config, "deps"),
{true, filename:join([BaseDir, DepsDir, App])}.
dep_dirs(Deps) ->
[D#dep.dir || D <- Deps].
save_dep_dirs(Config, Deps) ->
rebar_config:set_xconf(Config, ?MODULE, dep_dirs(Deps)).
get_lib_dir(App) ->
%% Find App amongst the reachable lib directories
%% Returns either the found path or a tagged tuple with a boolean
%% to match get_deps_dir's return type
case code:lib_dir(App) of
{error, bad_name} -> {false, bad_name};
Path -> {true, Path}
end.
update_deps_code_path(Config, []) ->
Config;
update_deps_code_path(Config, [Dep | Rest]) ->
Config2 =
case is_app_available(Config, Dep#dep.app,
Dep#dep.vsn_regex, Dep#dep.dir, Dep#dep.is_raw) of
{Config1, {true, _}} ->
Dir = filename:join(Dep#dep.dir, "ebin"),
ok = filelib:ensure_dir(filename:join(Dir, "dummy")),
?DEBUG("Adding ~s to code path~n", [Dir]),
true = code:add_patha(Dir),
Config1;
{Config1, {false, _}} ->
Config1
end,
update_deps_code_path(Config2, Rest).
find_deps(Config, find=Mode, Deps) ->
find_deps(Config, Mode, Deps, {[], []});
find_deps(Config, read=Mode, Deps) ->
find_deps(Config, Mode, Deps, []).
find_deps(Config, find, [], {Avail, Missing}) ->
{Config, {lists:reverse(Avail), lists:reverse(Missing)}};
find_deps(Config, read, [], Deps) ->
{Config, lists:reverse(Deps)};
find_deps(Config, Mode, [App | Rest], Acc) when is_atom(App) ->
find_deps(Config, Mode, [{App, ".*", undefined} | Rest], Acc);
find_deps(Config, Mode, [{App, VsnRegex} | Rest], Acc) when is_atom(App) ->
find_deps(Config, Mode, [{App, VsnRegex, undefined} | Rest], Acc);
find_deps(Config, Mode, [{App, VsnRegex, Source} | Rest], Acc) ->
find_deps(Config, Mode, [{App, VsnRegex, Source, []} | Rest], Acc);
find_deps(Config, Mode, [{App, VsnRegex, Source, Opts} | Rest], Acc)
when is_list(Opts) ->
Dep = #dep { app = App,
vsn_regex = VsnRegex,
source = Source,
%% dependency is considered raw (i.e. non-Erlang/OTP) when
%% 'raw' option is present
is_raw = proplists:get_value(raw, Opts, false) },
{Config1, {Availability, FoundDir}} = find_dep(Config, Dep),
find_deps(Config1, Mode, Rest,
acc_deps(Mode, Availability, Dep, FoundDir, Acc));
find_deps(_Config, _Mode, [Other | _Rest], _Acc) ->
?ABORT("Invalid dependency specification ~p in ~s\n",
[Other, rebar_utils:get_cwd()]).
find_dep(Config, Dep) ->
%% Find a dep based on its source,
%% e.g. {git, "https://github.com/mochi/mochiweb.git", "HEAD"}
%% Deps with a source must be found (or fetched) locally.
%% Those without a source may be satisfied from lib dir (get_lib_dir).
find_dep(Config, Dep, Dep#dep.source).
find_dep(Config, Dep, undefined) ->
%% 'source' is undefined. If Dep is not satisfied locally,
%% go ahead and find it amongst the lib_dir's.
case find_dep_in_dir(Config, Dep, get_deps_dir(Config, Dep#dep.app)) of
{_Config1, {avail, _Dir}} = Avail ->
Avail;
{Config1, {missing, _}} ->
find_dep_in_dir(Config1, Dep, get_lib_dir(Dep#dep.app))
end;
find_dep(Config, Dep, _Source) ->
%% _Source is defined. Regardless of what it is, we must find it
%% locally satisfied or fetch it from the original source
%% into the project's deps
find_dep_in_dir(Config, Dep, get_deps_dir(Config, Dep#dep.app)).
find_dep_in_dir(Config, _Dep, {false, Dir}) ->
{Config, {missing, Dir}};
find_dep_in_dir(Config, Dep, {true, Dir}) ->
App = Dep#dep.app,
VsnRegex = Dep#dep.vsn_regex,
IsRaw = Dep#dep.is_raw,
case is_app_available(Config, App, VsnRegex, Dir, IsRaw) of
{Config1, {true, _AppFile}} -> {Config1, {avail, Dir}};
{Config1, {false, _}} -> {Config1, {missing, Dir}}
end.
acc_deps(find, avail, Dep, AppDir, {Avail, Missing}) ->
{[Dep#dep { dir = AppDir } | Avail], Missing};
acc_deps(find, missing, Dep, AppDir, {Avail, Missing}) ->
{Avail, [Dep#dep { dir = AppDir } | Missing]};
acc_deps(read, _, Dep, AppDir, Acc) ->
[Dep#dep { dir = AppDir } | Acc].
delete_dep(D) ->
case filelib:is_dir(D#dep.dir) of
true ->
?INFO("Deleting dependency: ~s\n", [D#dep.dir]),
rebar_file_utils:rm_rf(D#dep.dir);
false ->
ok
end.
require_source_engine(Source) ->
true = source_engine_avail(Source),
ok.
%% IsRaw = false means regular Erlang/OTP dependency
%%
%% IsRaw = true means non-Erlang/OTP dependency, e.g. the one that does not
%% have a proper .app file
is_app_available(Config, App, VsnRegex, Path, _IsRaw = false) ->
?DEBUG("is_app_available, looking for App ~p with Path ~p~n", [App, Path]),
case rebar_app_utils:is_app_dir(Path) of
{true, AppFile} ->
case rebar_app_utils:app_name(Config, AppFile) of
{Config1, App} ->
{Config2, Vsn} = rebar_app_utils:app_vsn(Config1, AppFile),
?INFO("Looking for ~s-~s ; found ~s-~s at ~s\n",
[App, VsnRegex, App, Vsn, Path]),
case re:run(Vsn, VsnRegex, [{capture, none}]) of
match ->
{Config2, {true, Path}};
nomatch ->
?WARN("~s has version ~p; requested regex was ~s\n",
[AppFile, Vsn, VsnRegex]),
{Config2,
{false, {version_mismatch,
{AppFile,
{expected, VsnRegex}, {has, Vsn}}}}}
end;
{Config1, OtherApp} ->
?WARN("~s has application id ~p; expected ~p\n",
[AppFile, OtherApp, App]),
{Config1,
{false, {name_mismatch,
{AppFile, {expected, App}, {has, OtherApp}}}}}
end;
false ->
?WARN("Expected ~s to be an app dir (containing ebin/*.app), "
"but no .app found.\n", [Path]),
{Config, {false, {missing_app_file, Path}}}
end;
is_app_available(Config, App, _VsnRegex, Path, _IsRaw = true) ->
?DEBUG("is_app_available, looking for Raw Depencency ~p with Path ~p~n",
[App, Path]),
case filelib:is_dir(Path) of
true ->
%% TODO: look for version string in <Path>/VERSION file? Not clear
%% how to detect git/svn/hg/{cmd, ...} settings that can be passed
%% to rebar_utils:vcs_vsn/2 to obtain version dynamically
{Config, {true, Path}};
false ->
?WARN("Expected ~s to be a raw dependency directory, "
"but no directory found.\n", [Path]),
{Config, {false, {missing_raw_dependency_directory, Path}}}
end.
use_source(Config, Dep) ->
use_source(Config, Dep, 3).
use_source(_Config, Dep, 0) ->
?ABORT("Failed to acquire source from ~p after 3 tries.\n",
[Dep#dep.source]);
use_source(Config, Dep, Count) ->
case filelib:is_dir(Dep#dep.dir) of
true ->
%% Already downloaded -- verify the versioning matches the regex
case is_app_available(Config, Dep#dep.app, Dep#dep.vsn_regex,
Dep#dep.dir, Dep#dep.is_raw) of
{Config1, {true, _}} ->
Dir = filename:join(Dep#dep.dir, "ebin"),
ok = filelib:ensure_dir(filename:join(Dir, "dummy")),
%% Available version matches up -- we're good to go;
%% add the app dir to our code path
true = code:add_patha(Dir),
{Config1, Dep};
{_Config1, {false, Reason}} ->
%% The app that was downloaded doesn't match up (or had
%% errors or something). For the time being, abort.
?ABORT("Dependency dir ~s failed application validation "
"with reason:~n~p.\n", [Dep#dep.dir, Reason])
end;
false ->
?CONSOLE("Pulling ~p from ~p\n", [Dep#dep.app, Dep#dep.source]),
require_source_engine(Dep#dep.source),
{true, TargetDir} = get_deps_dir(Config, Dep#dep.app),
download_source(TargetDir, Dep#dep.source),
use_source(Config, Dep#dep { dir = TargetDir }, Count-1)
end.
-record(p4_settings, {
client=undefined,
transport="tcp4:perforce:1666",
username,
password
}).
init_p4_settings(Basename) ->
#p4_settings{client =
case inet:gethostname() of
{ok,HostName} ->
HostName ++ "-"
++ os:getenv("USER") ++ "-"
++ Basename
++ "-Rebar-automated-download"
end}.
download_source(AppDir, {p4, Url}) ->
download_source(AppDir, {p4, Url, "#head"});
download_source(AppDir, {p4, Url, Rev}) ->
download_source(AppDir, {p4, Url, Rev, init_p4_settings(filename:basename(AppDir))});
download_source(AppDir, {p4, Url, _Rev, Settings}) ->
ok = filelib:ensure_dir(AppDir),
rebar_utils:sh_send("p4 client -i",
?FMT("Client: ~s~n"
++"Description: generated by Rebar~n"
++"Root: ~s~n"
++"View:~n"
++" ~s/... //~s/...~n",
[Settings#p4_settings.client,
AppDir,
Url,
Settings#p4_settings.client]),
[]),
rebar_utils:sh(?FMT("p4 -c ~s sync -f", [Settings#p4_settings.client]), []);
download_source(AppDir, {hg, Url, Rev}) ->
ok = filelib:ensure_dir(AppDir),
rebar_utils:sh(?FMT("hg clone -U ~s ~s", [Url, filename:basename(AppDir)]),
[{cd, filename:dirname(AppDir)}]),
rebar_utils:sh(?FMT("hg update ~s", [Rev]), [{cd, AppDir}]);
download_source(AppDir, {git, Url}) ->
download_source(AppDir, {git, Url, {branch, "HEAD"}});
download_source(AppDir, {git, Url, ""}) ->
download_source(AppDir, {git, Url, {branch, "HEAD"}});
download_source(AppDir, {git, Url, {branch, Branch}}) ->
ok = filelib:ensure_dir(AppDir),
rebar_utils:sh(?FMT("git clone -n ~s ~s", [Url, filename:basename(AppDir)]),
[{cd, filename:dirname(AppDir)}]),
rebar_utils:sh(?FMT("git checkout -q origin/~s", [Branch]), [{cd, AppDir}]);
download_source(AppDir, {git, Url, {tag, Tag}}) ->
ok = filelib:ensure_dir(AppDir),
rebar_utils:sh(?FMT("git clone -n ~s ~s", [Url, filename:basename(AppDir)]),
[{cd, filename:dirname(AppDir)}]),
rebar_utils:sh(?FMT("git checkout -q ~s", [Tag]), [{cd, AppDir}]);
download_source(AppDir, {git, Url, Rev}) ->
ok = filelib:ensure_dir(AppDir),
rebar_utils:sh(?FMT("git clone -n ~s ~s", [Url, filename:basename(AppDir)]),
[{cd, filename:dirname(AppDir)}]),
rebar_utils:sh(?FMT("git checkout -q ~s", [Rev]), [{cd, AppDir}]);
download_source(AppDir, {bzr, Url, Rev}) ->
ok = filelib:ensure_dir(AppDir),
rebar_utils:sh(?FMT("bzr branch -r ~s ~s ~s",
[Rev, Url, filename:basename(AppDir)]),
[{cd, filename:dirname(AppDir)}]);
download_source(AppDir, {svn, Url, Rev}) ->
ok = filelib:ensure_dir(AppDir),
rebar_utils:sh(?FMT("svn checkout -r ~s ~s ~s",
[Rev, Url, filename:basename(AppDir)]),
[{cd, filename:dirname(AppDir)}]);
download_source(AppDir, {rsync, Url}) ->
ok = filelib:ensure_dir(AppDir),
rebar_utils:sh(?FMT("rsync -az --delete ~s/ ~s", [Url, AppDir]), []);
download_source(AppDir, {fossil, Url}) ->
download_source(AppDir, {fossil, Url, ""});
download_source(AppDir, {fossil, Url, Version}) ->
Repository = filename:join(AppDir, filename:basename(AppDir) ++ ".fossil"),
ok = filelib:ensure_dir(Repository),
ok = file:set_cwd(AppDir),
rebar_utils:sh(?FMT("fossil clone ~s ~s", [Url, Repository]),
[{cd, AppDir}]),
rebar_utils:sh(?FMT("fossil open ~s ~s --nested", [Repository, Version]),
[]).
update_source(Config, Dep) ->
%% It's possible when updating a source, that a given dep does not have a
%% VCS directory, such as when a source archive is built of a project, with
%% all deps already downloaded/included. So, verify that the necessary VCS
%% directory exists before attempting to do the update.
{true, AppDir} = get_deps_dir(Config, Dep#dep.app),
case has_vcs_dir(element(1, Dep#dep.source), AppDir) of
true ->
?CONSOLE("Updating ~p from ~p\n", [Dep#dep.app, Dep#dep.source]),
require_source_engine(Dep#dep.source),
update_source1(AppDir, Dep#dep.source),
Dep;
false ->
?WARN("Skipping update for ~p: "
"no VCS directory available!\n", [Dep]),
Dep
end.
update_source1(AppDir, Args) when element(1, Args) =:= p4 ->
download_source(AppDir, Args);
update_source1(AppDir, {git, Url}) ->
update_source1(AppDir, {git, Url, {branch, "HEAD"}});
update_source1(AppDir, {git, Url, ""}) ->
update_source1(AppDir, {git, Url, {branch, "HEAD"}});
update_source1(AppDir, {git, _Url, {branch, Branch}}) ->
ShOpts = [{cd, AppDir}],
rebar_utils:sh("git fetch origin", ShOpts),
rebar_utils:sh(?FMT("git checkout -q ~s", [Branch]), ShOpts),
rebar_utils:sh(
?FMT("git pull --ff-only --no-rebase -q origin ~s", [Branch]),ShOpts);
update_source1(AppDir, {git, _Url, {tag, Tag}}) ->
ShOpts = [{cd, AppDir}],
rebar_utils:sh("git fetch origin", ShOpts),
rebar_utils:sh(?FMT("git checkout -q ~s", [Tag]), ShOpts);
update_source1(AppDir, {git, _Url, Refspec}) ->
ShOpts = [{cd, AppDir}],
rebar_utils:sh("git fetch origin", ShOpts),
rebar_utils:sh(?FMT("git checkout -q ~s", [Refspec]), ShOpts);
update_source1(AppDir, {svn, _Url, Rev}) ->
rebar_utils:sh(?FMT("svn up -r ~s", [Rev]), [{cd, AppDir}]);
update_source1(AppDir, {hg, _Url, Rev}) ->
rebar_utils:sh(?FMT("hg pull -u -r ~s", [Rev]), [{cd, AppDir}]);
update_source1(AppDir, {bzr, _Url, Rev}) ->
rebar_utils:sh(?FMT("bzr update -r ~s", [Rev]), [{cd, AppDir}]);
update_source1(AppDir, {rsync, Url}) ->
rebar_utils:sh(?FMT("rsync -az --delete ~s/ ~s",[Url,AppDir]),[]);
update_source1(AppDir, {fossil, Url}) ->
update_source1(AppDir, {fossil, Url, ""});
update_source1(AppDir, {fossil, _Url, Version}) ->
ok = file:set_cwd(AppDir),
rebar_utils:sh("fossil pull", [{cd, AppDir}]),
rebar_utils:sh(?FMT("fossil update ~s", [Version]), []).
%% Recursively update deps, this is not done via rebar's usual dep traversal as
%% that is the wrong order (tips are updated before branches). Instead we do a
%% traverse the deps at each level completely before traversing *their* deps.
%% This allows updates to actually propogate down the tree, rather than fail to
%% flow up the tree, which was the previous behaviour.
update_deps_int(Config0, UDD) ->
%% Determine what deps are required
ConfDir = filename:basename(rebar_utils:get_cwd()),
RawDeps = rebar_config:get_local(Config0, deps, []),
{Config1, Deps} = find_deps(Config0, read, RawDeps),
%% Update each dep
UpdatedDeps = [update_source(Config1, D)
|| D <- Deps, D#dep.source =/= undefined,
not lists:member(D, UDD),
not should_skip_update_dep(Config1, D)
],
lists:foldl(fun(Dep, {Config, Updated}) ->
{true, AppDir} = get_deps_dir(Config, Dep#dep.app),
Config2 = case has_vcs_dir(element(1, Dep#dep.source),
AppDir) of
false ->
%% If the dep did not exist (maybe it
%% was added), clone it.
%% We'll traverse ITS deps below and
%% clone them if needed.
{C1, _D1} = use_source(Config, Dep),
C1;
true ->
Config
end,
ok = file:set_cwd(AppDir),
Config3 = rebar_config:new(Config2),
%% track where a dep comes from...
DepOwner = dict:append(
Dep, ConfDir,
rebar_config:get_xconf(Config3, depowner,
dict:new())),
Config4 = rebar_config:set_xconf(Config3, depowner,
DepOwner),
{Config5, Res} = update_deps_int(Config4, Updated),
{Config5, lists:umerge(lists:sort(Res),
lists:sort(Updated))}
end, {Config1, lists:umerge(lists:sort(UpdatedDeps),
lists:sort(UDD))}, UpdatedDeps).
should_skip_update_dep(Config, Dep) ->
{true, AppDir} = get_deps_dir(Config, Dep#dep.app),
case rebar_app_utils:is_app_dir(AppDir) of
false ->
false;
{true, AppFile} ->
case rebar_app_utils:is_skipped_app(Config, AppFile) of
{_Config, {true, _SkippedApp}} ->
true;
_ ->
false
end
end.
%% Recursively walk the deps and build a list of them.
collect_deps(Dir, C) ->
case file:set_cwd(Dir) of
ok ->
Config = rebar_config:new(C),
RawDeps = rebar_config:get_local(Config, deps, []),
{Config1, Deps} = find_deps(Config, read, RawDeps),
lists:flatten(Deps ++ [begin
{true, AppDir} = get_deps_dir(
Config1, Dep#dep.app),
collect_deps(AppDir, C)
end || Dep <- Deps]);
_ ->
[]
end.
%% ===================================================================
%% Source helper functions
%% ===================================================================
source_engine_avail(Source) ->
Name = element(1, Source),
source_engine_avail(Name, Source).
source_engine_avail(Name, Source)
when Name == hg; Name == git; Name == svn; Name == bzr; Name == rsync;
Name == fossil; Name == p4 ->
case vcs_client_vsn(Name) >= required_vcs_client_vsn(Name) of
true ->
true;
false ->
?ABORT("Rebar requires version ~p or higher of ~s to process ~p\n",
[required_vcs_client_vsn(Name), Name, Source])
end.
vcs_client_vsn(false, _VsnArg, _VsnRegex) ->
false;
vcs_client_vsn(Path, VsnArg, VsnRegex) ->
{ok, Info} = rebar_utils:sh(Path ++ VsnArg, [{env, [{"LANG", "C"}]},
{use_stdout, false}]),
case re:run(Info, VsnRegex, [{capture, all_but_first, list}]) of
{match, Match} ->
list_to_tuple([list_to_integer(S) || S <- Match]);
_ ->
false
end.
required_vcs_client_vsn(p4) -> {2013, 1};
required_vcs_client_vsn(hg) -> {1, 1};
required_vcs_client_vsn(git) -> {1, 5};
required_vcs_client_vsn(bzr) -> {2, 0};
required_vcs_client_vsn(svn) -> {1, 6};
required_vcs_client_vsn(rsync) -> {2, 0};
required_vcs_client_vsn(fossil) -> {1, 0}.
vcs_client_vsn(p4) ->
vcs_client_vsn(rebar_utils:find_executable("p4"), " -V",
"Rev\\. .*/(\\d+)\\.(\\d)/");
vcs_client_vsn(hg) ->
vcs_client_vsn(rebar_utils:find_executable("hg"), " --version",
"version (\\d+).(\\d+)");
vcs_client_vsn(git) ->
vcs_client_vsn(rebar_utils:find_executable("git"), " --version",
"git version (\\d+).(\\d+)");
vcs_client_vsn(bzr) ->
vcs_client_vsn(rebar_utils:find_executable("bzr"), " --version",
"Bazaar \\(bzr\\) (\\d+).(\\d+)");
vcs_client_vsn(svn) ->
vcs_client_vsn(rebar_utils:find_executable("svn"), " --version",
"svn, version (\\d+).(\\d+)");
vcs_client_vsn(rsync) ->
vcs_client_vsn(rebar_utils:find_executable("rsync"), " --version",
"rsync version (\\d+).(\\d+)");
vcs_client_vsn(fossil) ->
vcs_client_vsn(rebar_utils:find_executable("fossil"), " version",
"version (\\d+).(\\d+)").
has_vcs_dir(p4, _) ->
true;
has_vcs_dir(git, Dir) ->
filelib:is_dir(filename:join(Dir, ".git"));
has_vcs_dir(hg, Dir) ->
filelib:is_dir(filename:join(Dir, ".hg"));
has_vcs_dir(bzr, Dir) ->
filelib:is_dir(filename:join(Dir, ".bzr"));
has_vcs_dir(svn, Dir) ->
filelib:is_dir(filename:join(Dir, ".svn"))
orelse filelib:is_dir(filename:join(Dir, "_svn"));
has_vcs_dir(rsync, _) ->
true;
has_vcs_dir(_, _) ->
true.
print_source(#dep{app=App, source=Source}) ->
?CONSOLE("~s~n", [format_source(App, Source)]).
format_source(App, {p4, Url}) ->
format_source(App, {p4, Url, "#head"});
format_source(App, {git, Url}) ->
?FMT("~p BRANCH ~s ~s", [App, "HEAD", Url]);
format_source(App, {git, Url, ""}) ->
?FMT("~p BRANCH ~s ~s", [App, "HEAD", Url]);
format_source(App, {git, Url, {branch, Branch}}) ->
?FMT("~p BRANCH ~s ~s", [App, Branch, Url]);
format_source(App, {git, Url, {tag, Tag}}) ->
?FMT("~p TAG ~s ~s", [App, Tag, Url]);
format_source(App, {_, Url, Rev}) ->
?FMT("~p REV ~s ~s", [App, Rev, Url]);
format_source(App, undefined) ->
?FMT("~p", [App]).
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