%%
%% %CopyrightBegin%
%%
%% Copyright Ericsson AB 2010-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
%% You may obtain a copy of the License at
%%
%% http://www.apache.org/licenses/LICENSE-2.0
%%
%% Unless required by applicable law or agreed to in writing, software
%% distributed under the License is distributed on an "AS IS" BASIS,
%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
%% See the License for the specific language governing permissions and
%% limitations under the License.
%%
%% %CopyrightEnd%
%%
%%%-------------------------------------------------------------------
%%% File : install_SUITE.erl
%%% Author : Rickard Green
%%% Description :
%%%
%%% Created : 12 Jan 2010 by Rickard Green
%%%-------------------------------------------------------------------
-module(install_SUITE).
-export([all/0, suite/0,
init_per_suite/1, end_per_suite/1,
init_per_testcase/2, end_per_testcase/2]).
-export([bin_default/1,
bin_default_dirty/1,
bin_outside_eprfx/1,
bin_outside_eprfx_dirty/1,
bin_unreasonable_path/1,
bin_not_abs/1,
'bin white space'/1,
bin_no_srcfile/1,
bin_unreachable_absolute/1,
bin_unreachable_relative/1,
bin_same_dir/1,
bin_ok_symlink/1,
bin_dirname_fail/1,
bin_no_use_dirname_fail/1]).
-define(JOIN(A,B,C), filename:join(A, B, C)).
-include_lib("common_test/include/ct.hrl").
-record(inst, {mkdirs = true,
symlinks = true,
cmd_prefix = "",
ln_s = "ln -s",
test_prefix = "",
destdir = "",
extra_prefix = "",
exec_prefix = "",
bindir = "",
erlang_bindir = "",
bindir_symlinks = ""}).
need_symlink_cases() ->
[bin_unreachable_absolute, bin_unreachable_relative,
bin_same_dir, bin_ok_symlink, bin_dirname_fail,
bin_no_use_dirname_fail].
dont_need_symlink_cases() ->
[bin_default, bin_default_dirty, bin_outside_eprfx,
bin_outside_eprfx_dirty, bin_not_abs,
bin_unreasonable_path, 'bin white space',
bin_no_srcfile].
suite() ->
[{ct_hooks,[ts_install_cth]},
{timetrap, {minutes, 1}}].
all() ->
dont_need_symlink_cases() ++ need_symlink_cases().
%%
%% The test cases
%%
bin_default(Config) when is_list(Config) ->
E = "/usr/local",
Bs = "/usr/local/bin",
Be = Bs,
EBs = "/usr/local/lib/erlang/bin",
EBe = EBs,
RP = "../lib/erlang/bin",
ChkRes = fun (Res, #inst{test_prefix = TP,
destdir = D,
extra_prefix = EP,
bindir_symlinks = BSL,
symlinks = SL}) ->
B = join([TP, D, EP, Be]),
Expct = case {SL, BSL} of
{false, _} when BSL == "relative";
BSL == "absolute" ->
{error, no_ln_s};
{false, _} ->
{ok,{absolute,
B,join([TP,D,EP,EBe])}};
{true, "absolute"} ->
{ok,{absolute,B,join([TP,EP,EBe])}};
{true, _} ->
{ok,{relative,B,RP}}
end,
expect(Expct, Res)
end,
install_bin(Config, #inst{exec_prefix = E,
bindir = Bs,
erlang_bindir = EBs}, ChkRes).
bin_default_dirty(Config) when is_list(Config) ->
E = "/usr/./local/lib/..",
Bs = "/usr/local//lib/../lib/erlang/../../bin",
Be = "/usr/local/lib/../lib/erlang/../../bin",
EBs = "/usr/local/lib/../lib/erlang/../erlang/bin/x/y/../..//",
EBe = "/usr/local/lib/../lib/erlang/../erlang/bin/x/y/../..",
RP = "../lib/erlang/bin",
ChkRes = fun (Res, #inst{test_prefix = TP,
destdir = D,
extra_prefix = EP,
bindir_symlinks = BSL,
symlinks = SL}) ->
B = join([TP, D, EP, Be]),
Expct = case {SL, BSL} of
{false, _} when BSL == "relative";
BSL == "absolute" ->
{error, no_ln_s};
{false, _} ->
{ok,{absolute,
B,join([TP,D,EP,EBe])}};
{true, "absolute"} ->
{ok,{absolute,
B,join([TP,EP,EBe])}};
{true, _} ->
{ok,{relative,B,RP}}
end,
expect(Expct, Res)
end,
install_bin(Config, #inst{exec_prefix = E,
bindir = Bs,
erlang_bindir = EBs}, ChkRes).
bin_outside_eprfx(Config) when is_list(Config) ->
E = "/usr/local",
Bs = "/usr/bin",
Be = Bs,
EBs = "/usr/local/lib/erlang/bin",
EBe = EBs,
RP = "../local/lib/erlang/bin",
ChkRes = fun (Res, #inst{test_prefix = TP,
destdir = D,
extra_prefix = EP,
bindir_symlinks = BSL,
symlinks = SL}) ->
B = join([TP, D, EP, Be]),
Expct = case {SL, BSL} of
{false, _} when BSL == "relative";
BSL == "absolute" ->
{error, no_ln_s};
{false, _} ->
{ok,{absolute,
B,join([TP,D,EP,EBe])}};
{true, "relative"} ->
{ok,{relative,B,RP}};
{true, _} ->
{ok,{absolute,B,join([TP,EP,EBe])}}
end,
expect(Expct, Res)
end,
install_bin(Config, #inst{exec_prefix = E,
bindir = Bs,
erlang_bindir = EBs}, ChkRes).
bin_outside_eprfx_dirty(Config) when is_list(Config) ->
E = "/usr/local/lib/..",
Bs = "/usr/local/lib/../../bin",
Be = Bs,
EBs = "/usr/local/lib/erlang/bin",
EBe = EBs,
RP = "../local/lib/erlang/bin",
ChkRes = fun (Res, #inst{test_prefix = TP,
destdir = D,
extra_prefix = EP,
bindir_symlinks = BSL,
symlinks = SL}) ->
B = join([TP, D, EP, Be]),
Expct = case {SL, BSL} of
{false, _} when BSL == "relative";
BSL == "absolute" ->
{error, no_ln_s};
{false, _} ->
{ok,{absolute,
B,join([TP,D,EP,EBe])}};
{true, "relative"} ->
{ok,{relative,B,RP}};
{true, _} ->
{ok,{absolute,B,join([TP,EP,EBe])}}
end,
expect(Expct, Res)
end,
install_bin(Config, #inst{exec_prefix = E,
bindir = Bs,
erlang_bindir = EBs}, ChkRes).
bin_unreasonable_path(Config) when is_list(Config) ->
E = "/usr/local/../../..",
Bs = "/usr/local/../../../bin",
Be = Bs,
EBs = "/usr/local/../../../bin_unreasonable_path/usr/local/lib/erlang/bin",
EBe = EBs,
RP = "../bin_unreasonable_path/usr/local/lib/erlang/bin",
ChkRes = fun (Res, #inst{test_prefix = TP,
destdir = D,
extra_prefix = EP,
bindir_symlinks = BSL,
symlinks = SL}) ->
B = join([TP, D, EP, Be]),
Expct = case {TP, SL, BSL} of
{_, false, _} when BSL == "relative";
BSL == "absolute" ->
{error, no_ln_s};
{_, false, _} ->
{ok,{absolute,
B,join([TP,D,EP,EBe])}};
{"", true, "relative"} ->
{error, unreasonable_path};
{"", true, _} ->
{ok,{absolute,B,join([TP,EP,EBe])}};
{_, true, "absolute"} ->
{ok,{absolute,B,join([TP,EP,EBe])}};
_ ->
{ok,{relative,B,RP}}
end,
expect(Expct, Res)
end,
install_bin(Config, #inst{exec_prefix = E,
bindir = Bs,
erlang_bindir = EBs}, ChkRes).
bin_unreachable_absolute(Config) when is_list(Config) ->
TDir = proplists:get_value(test_dir, Config),
make_dirs(TDir, "/opt/local/lib/erlang/usr/bin"),
make_dirs(TDir, "/opt/local/lib/erlang/bin"),
Erl = join([TDir, "/opt/local/lib/erlang/bin/erl"]),
Erlc = join([TDir, "/opt/local/lib/erlang/bin/erlc"]),
make_dirs(TDir, "/usr/local/lib"),
make_dirs(TDir, "/usr/local/bin"),
ok = file:write_file(Erl, "erl"),
ok = file:write_file(Erlc, "erlc"),
ok = file:make_symlink("../../../opt/local/lib/erlang/usr",
join([TDir, "/usr/local/lib/erlang"])),
E = "/usr/local",
Bs = "/usr/local/bin",
Be = Bs,
EBs = "/usr/local/lib/erlang/../bin",
EBe = EBs,
ChkRes = fun (Res, #inst{test_prefix = TP,
destdir = D,
extra_prefix = EP,
bindir_symlinks = BSL,
symlinks = SL}) ->
B = join([TP, D, EP, Be]),
Expct = case {SL, BSL} of
{false, _} when BSL == "relative";
BSL == "absolute" ->
{error, no_ln_s};
{false, _} ->
{ok,{absolute,
B,join([TP,D,EP,EBe])}};
{true, "relative"} ->
{error, unreachable_absolute};
{true, _} ->
{ok,{absolute,B,join([TP,EP,EBe])}}
end,
expect(Expct, Res)
end,
install_bin(Config, #inst{exec_prefix = E,
bindir = Bs,
erlang_bindir = EBs}, ChkRes).
bin_unreachable_relative(Config) when is_list(Config) ->
TDir = proplists:get_value(test_dir, Config),
make_dirs(TDir, "/opt/local/lib/erlang/bin"),
make_dirs(TDir, "/opt/local/bin"),
make_dirs(TDir, "/usr/local/lib/erlang/bin"),
Erl = join([TDir, "/usr/local/lib/erlang/bin/erl"]),
Erlc = join([TDir, "/usr/local/lib/erlang/bin/erlc"]),
ok = file:write_file(Erl, "erl"),
ok = file:write_file(Erlc, "erlc"),
ok = file:make_symlink("../../opt/local/bin",
join([TDir, "/usr/local/bin"])),
E = "/usr/local",
Bs = "/usr/local/bin",
Be = Bs,
EBs = "/usr/local/lib/erlang/bin",
EBe = EBs,
ChkRes = fun (Res, #inst{test_prefix = TP,
destdir = D,
extra_prefix = EP,
bindir_symlinks = BSL,
symlinks = SL}) ->
B = join([TP, D, EP, Be]),
Expct = case {SL, BSL} of
{false, _} when BSL == "relative";
BSL == "absolute" ->
{error, no_ln_s};
{false, _} ->
{ok,{absolute,
B,join([TP,D,EP,EBe])}};
{true, "relative"} ->
{error, unreachable_relative};
{true, _} ->
{ok,{absolute,B,join([TP,EP,EBe])}}
end,
expect(Expct, Res)
end,
install_bin(Config, #inst{exec_prefix = E,
bindir = Bs,
erlang_bindir = EBs}, ChkRes).
bin_ok_symlink(Config) when is_list(Config) ->
TDir = proplists:get_value(test_dir, Config),
make_dirs(TDir, "/usr/local/bin"),
make_dirs(TDir, "/opt/local/lib/erlang/bin"),
Erl = join([TDir, "/opt/local/lib/erlang/bin/erl"]),
Erlc = join([TDir, "/opt/local/lib/erlang/bin/erlc"]),
ok = file:write_file(Erl, "erl"),
ok = file:write_file(Erlc, "erlc"),
ok = file:make_symlink("../../opt/local/lib",
join([TDir, "/usr/local/lib"])),
E = "/usr/local",
Bs = "/usr/local/bin",
Be = Bs,
EBs = "/usr/local/lib/erlang/bin",
EBe = EBs,
RP = "../lib/erlang/bin",
ChkRes = fun (Res, #inst{test_prefix = TP,
destdir = D,
extra_prefix = EP,
bindir_symlinks = BSL,
symlinks = SL}) ->
B = join([TP, D, EP, Be]),
Expct = case {SL, BSL} of
{false, _} when BSL == "relative";
BSL == "absolute" ->
{error, no_ln_s};
{false, _} ->
{ok,{absolute,
B,join([TP,D,EP,EBe])}};
{true, "absolute"} ->
{ok,{absolute,B,join([TP,EP,EBe])}};
{true, _} ->
{ok,{relative,B,RP}}
end,
expect(Expct, Res)
end,
install_bin(Config, #inst{exec_prefix = E,
bindir = Bs,
erlang_bindir = EBs}, ChkRes).
bin_same_dir(Config) when is_list(Config) ->
TDir = proplists:get_value(test_dir, Config),
make_dirs(TDir, "/usr/local/bin"),
make_dirs(TDir, "/usr/local/lib"),
ok = file:make_symlink("..", join([TDir, "/usr/local/lib/erlang"])),
Erl = join([TDir, "/usr/local/lib/erlang/bin/erl"]),
Erlc = join([TDir, "/usr/local/lib/erlang/bin/erlc"]),
ok = file:write_file(Erl, "erl"),
ok = file:write_file(Erlc, "erlc"),
ChkRes = fun (Res, _) ->
expect({error, target_and_source_same_dir}, Res)
end,
install_bin(Config,
#inst{mkdirs = false,
exec_prefix = "/usr/local",
bindir = "/usr/local/bin",
erlang_bindir = "/usr/local/lib/erlang/bin"},
ChkRes).
bin_not_abs(Config) when is_list(Config) ->
ChkRes = fun (Res, #inst{test_prefix = TP}) ->
case TP of
"" ->
expect({error, {not_abs, 'bindir'}}, Res);
_ ->
B = join([TP, "/usr/local/bin"]),
{ok, {relative, B, "../lib/erlang/bin"}}
end
end,
install_bin(Config,
#inst{exec_prefix = "/usr/local",
bindir = "usr/local/bin",
erlang_bindir = "/usr/local/lib/erlang/bin"},
ChkRes).
'bin white space'(Config) when is_list(Config) ->
E = "/u s r/local",
Bs = "/u s r/local/b i n",
Be = Bs,
EBs = "/u s r/local/lib/erl ang/bin",
EBe = EBs,
RP = "../lib/erl ang/bin",
ChkRes = fun (Res, #inst{test_prefix = TP,
destdir = D,
extra_prefix = EP,
bindir_symlinks = BSL,
symlinks = SL}) ->
B = join([TP, D, EP, Be]),
Expct = case {SL, BSL} of
{false, _} when BSL == "relative";
BSL == "absolute" ->
{error, no_ln_s};
{false, _} ->
{ok,{absolute,
B,join([TP,D,EP,EBe])}};
{true, "absolute"} ->
{ok,{absolute,B,join([TP,EP,EBe])}};
{true, _} ->
{ok,{relative,B,RP}}
end,
expect(Expct, Res)
end,
install_bin(Config, #inst{exec_prefix = E,
bindir = Bs,
erlang_bindir = EBs}, ChkRes).
bin_dirname_fail(Config) when is_list(Config) ->
E = "/opt",
Bs = "/opt/lib/../bin",
Be = Bs,
EBs = "/opt/lib/erlang/otp/bin",
EBe = EBs,
CMDPRFX = "PATH=\""++proplists:get_value(data_dir,Config)++":"++os:getenv("PATH")++"\"",
ChkRes = fun (Res, #inst{test_prefix = TP,
destdir = D,
extra_prefix = EP,
bindir_symlinks = BSL,
symlinks = SL}) ->
B = join([TP, D, EP, Be]),
Expct = case {SL, BSL} of
{false, _} when BSL == "relative";
BSL == "absolute" ->
{error, no_ln_s};
{false, _} ->
{ok,{absolute,
B,join([TP,D,EP,EBe])}};
{true, "relative"} ->
{error, dirname_failed};
{true, _} ->
{ok,{absolute,B,join([TP,EP,EBe])}}
end,
expect(Expct, Res)
end,
install_bin(Config, #inst{cmd_prefix = CMDPRFX,
exec_prefix = E,
bindir = Bs,
erlang_bindir = EBs}, ChkRes).
bin_no_use_dirname_fail(Config) when is_list(Config) ->
E = "/opt",
Bs = "/opt/bin",
Be = Bs,
EBs = "/opt/lib/erlang/otp/bin",
EBe = EBs,
RP = "../lib/erlang/otp/bin",
CMDPRFX = "PATH=\""++proplists:get_value(data_dir,Config)++":"++os:getenv("PATH")++"\"",
ChkRes = fun (Res, #inst{test_prefix = TP,
destdir = D,
extra_prefix = EP,
bindir_symlinks = BSL,
symlinks = SL}) ->
B = join([TP, D, EP, Be]),
Expct = case {SL, BSL} of
{false, _} when BSL == "relative";
BSL == "absolute" ->
{error, no_ln_s};
{false, _} ->
{ok,{absolute,
B,join([TP,D,EP,EBe])}};
{true, "absolute"} ->
{ok,{absolute,B,join([TP,EP,EBe])}};
{true, _} ->
{ok,{relative,B,RP}}
end,
expect(Expct, Res)
end,
install_bin(Config, #inst{cmd_prefix = CMDPRFX,
exec_prefix = E,
bindir = Bs,
erlang_bindir = EBs}, ChkRes).
bin_no_srcfile(Config) when is_list(Config) ->
TDir = proplists:get_value(test_dir, Config),
make_dirs(TDir, "/opt/local/bin"),
make_dirs(TDir, "/opt/local/lib/erlang/bin"),
Erl = join([TDir, "/opt/local/lib/erlang/bin/erl"]),
ok = file:write_file(Erl, "erl"),
Erlc = join([TDir, "/opt/local/lib/erlang/bin/erlc"]),
RP_Erlc = "../lib/erlang/bin/erlc",
ChkRes = fun (Res, #inst{bindir_symlinks = BSL,
symlinks = SL}) ->
Expct = case {SL, BSL} of
{false, _} when BSL == "relative";
BSL == "absolute" ->
{error, no_ln_s};
{false,_} ->
{error,{no_srcfile, Erlc}};
{true, "absolute"} ->
{error,{no_srcfile, Erlc}};
{true, _} ->
{error,{no_srcfile, RP_Erlc}}
end,
expect(Expct, Res)
end,
install_bin(Config,
#inst{mkdirs = false,
exec_prefix = "/opt/local",
bindir = "/opt/local/bin",
erlang_bindir = "/opt/local/lib/erlang/bin"},
ChkRes).
%%
%%
%% Auxiliary functions
%%
%%
expect(X, X) ->
io:format("result: ~p~n", [X]),
io:format("-----------------------------------------------~n", []),
ok;
expect(X, Y) ->
io:format("expected: ~p~n", [X]),
io:format("got : ~p~n", [Y]),
io:format("-----------------------------------------------~n", []),
ct:fail({X,Y}).
init_per_suite(Config) ->
PD = proplists:get_value(priv_dir, Config),
SymLinks = case os:type() of
{win32, _} -> false;
_ ->
case file:make_symlink("nothing",
filename:join(PD, "symlink_test")) of
ok -> true;
_ -> false
end
end,
[{symlinks, SymLinks} | Config].
end_per_suite(_Config) ->
ok.
init_per_testcase(Case, Config) ->
init_per_testcase_aux(proplists:get_value(symlinks,Config),
os:type(),Case,Config).
init_per_testcase_aux(_, {win32, _}, _Case, _Config) ->
{skip, "Not on windows"};
init_per_testcase_aux(false, OsType, Case, Config) ->
case lists:member(Case, need_symlink_cases()) of
false -> init_per_testcase_aux(true, OsType, Case, Config);
true -> {skip, "Cannot create symbolic links"}
end;
init_per_testcase_aux(true, _OsType, Case, Config) ->
[{testcase, Case},
{test_dir, make_dirs(proplists:get_value(priv_dir, Config), atom_to_list(Case))}
| Config].
end_per_testcase(_Case, _Config) ->
ok.
make_dirs(Root, Suffix) ->
do_make_dirs(Root, string:tokens(Suffix, [$/])).
do_make_dirs(_Root, []) ->
"";
do_make_dirs(Root, [D|Ds]) ->
Dir = filename:join(Root, D),
case file:make_dir(Dir) of
{error, eexist} -> ok;
ok -> ok;
Err -> exit({make_dir, Err})
end,
filename:join(Dir, do_make_dirs(Dir, Ds)).
install_bin(Config, #inst{mkdirs = MkDirs,
exec_prefix = EXEC_PREFIX,
bindir = BINDIR,
erlang_bindir = ERLANG_BINDIR} = Inst, ChkRes) ->
PDir = proplists:get_value(priv_dir, Config),
TDir = proplists:get_value(test_dir, Config),
TD = atom_to_list(proplists:get_value(testcase, Config)),
case MkDirs of
false -> ok;
true ->
make_dirs(TDir, EXEC_PREFIX),
make_dirs(TDir, BINDIR),
make_dirs(TDir, ERLANG_BINDIR),
Erl = join([TDir, ERLANG_BINDIR, "/erl"]),
Erlc = join([TDir, ERLANG_BINDIR, "/erlc"]),
ok = file:write_file(Erl, "erl"),
ok = file:write_file(Erlc, "erlc")
end,
install_bin2(Config, Inst#inst{destdir = TDir}, ChkRes),
install_bin2(Config, Inst#inst{extra_prefix = TDir}, ChkRes),
install_bin2(Config, Inst#inst{destdir = PDir,
extra_prefix = "/"++TD}, ChkRes),
install_bin2(Config,
Inst#inst{test_prefix = TDir,
exec_prefix = join([TDir, EXEC_PREFIX]),
bindir = join([TDir, BINDIR]),
erlang_bindir = join([TDir, ERLANG_BINDIR])},
ChkRes),
case proplists:get_value(symlinks, Config) of
true -> ok;
false -> {comment, "No symlink tests run, since symlinks not working"}
end.
install_bin2(Config, Inst, ChkRes) ->
install_bin3(Config, Inst#inst{symlinks = false,
ln_s = "ln"}, ChkRes),
install_bin3(Config, Inst#inst{symlinks = false,
ln_s = "ln",
bindir_symlinks = "relative"}, ChkRes),
install_bin3(Config, Inst#inst{symlinks = false,
ln_s = "ln",
bindir_symlinks = "absolute"}, ChkRes),
install_bin3(Config, Inst#inst{symlinks = false,
ln_s = "cp -p"}, ChkRes),
install_bin3(Config, Inst#inst{symlinks = false,
ln_s = "cp -p",
bindir_symlinks = "relative"}, ChkRes),
install_bin3(Config, Inst#inst{symlinks = false,
ln_s = "cp -p",
bindir_symlinks = "absolute"}, ChkRes),
case proplists:get_value(symlinks, Config) of
true ->
install_bin3(Config, Inst#inst{symlinks = true,
ln_s = "ln -s"}, ChkRes),
install_bin3(Config, Inst#inst{symlinks = true,
ln_s = "ln -s",
bindir_symlinks = "relative"}, ChkRes),
install_bin3(Config, Inst#inst{symlinks = true,
ln_s = "ln -s",
bindir_symlinks = "absolute"}, ChkRes);
false ->
ok
end.
install_bin3(Config,
#inst{cmd_prefix = CMD_PRFX,
ln_s = LN_S,
destdir = DESTDIR,
extra_prefix = EXTRA_PREFIX,
exec_prefix = EXEC_PREFIX,
bindir = BINDIR,
erlang_bindir = ERLANG_BINDIR,
bindir_symlinks = BINDIR_SYMLINKS} = Inst,
ChkRes) ->
Test = proplists:get_value(testcase, Config),
DDir = proplists:get_value(data_dir, Config),
TDir = proplists:get_value(test_dir, Config),
InstallBin = filename:join(DDir, "install_bin"),
ResFile = filename:join(TDir, atom_to_list(Test) ++ "-result.txt"),
Cmd = CMD_PRFX ++ " "
++ InstallBin ++ " --ln_s \"" ++ LN_S
++ "\" --destdir \"" ++ DESTDIR
++ "\" --extra-prefix \"" ++ EXTRA_PREFIX
++ "\" --bindir-symlinks \"" ++ BINDIR_SYMLINKS
++ "\" --bindir \"" ++ BINDIR
++ "\" --erlang-bindir \"" ++ ERLANG_BINDIR
++ "\" --exec-prefix \"" ++ EXEC_PREFIX
++ "\" --test-file \"" ++ ResFile ++ "\" erl erlc",
io:format("CMD_PRFX = \"~s\"~n"
"LN_S = \"~s\"~n"
"BINDIR_SYMLINKS = \"~s\"~n"
"exec_prefix = \"~s\"~n"
"bindir = \"~s\"~n"
"erlang_bindir = \"~s\"~n"
"EXTRA_PREFIX = \"~s\"~n"
"DESTDIR = \"~s\"~n",
[CMD_PRFX, LN_S, BINDIR_SYMLINKS, EXEC_PREFIX, BINDIR,
ERLANG_BINDIR, EXTRA_PREFIX, DESTDIR]),
io:format("$ ~s~n", [Cmd]),
CmdOutput = os:cmd(Cmd),
io:format("~s~n", [CmdOutput]),
ChkRes(case file:consult(ResFile) of
{ok, [Res]} -> Res;
Err -> exit({result, Err})
end,
Inst).
join("") ->
"";
join([""|Ds]) ->
join(Ds);
join([D|Ds]) ->
"/" ++ string:strip(D, both, $/) ++ join(Ds).
