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-rw-r--r--lib/stdlib/src/erl_tar.erl72
-rw-r--r--lib/stdlib/src/erl_tar.hrl16
2 files changed, 69 insertions, 19 deletions
diff --git a/lib/stdlib/src/erl_tar.erl b/lib/stdlib/src/erl_tar.erl
index 48bbd38f9b..b04cdb3609 100644
--- a/lib/stdlib/src/erl_tar.erl
+++ b/lib/stdlib/src/erl_tar.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1997-2017. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. 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.
@@ -457,26 +457,61 @@ add(Reader, NameOrBin, NameInArchive, Options)
do_add(#reader{access=write}=Reader, Name, NameInArchive, Options)
when is_list(NameInArchive), is_list(Options) ->
- RF = fun(F) -> file:read_link_info(F, [{time, posix}]) end,
+ RF = apply_file_info_opts_fun(Options, read_link_info),
Opts = #add_opts{read_info=RF},
- add1(Reader, Name, NameInArchive, add_opts(Options, Opts));
+ add1(Reader, Name, NameInArchive, add_opts(Options, Options, Opts));
do_add(#reader{access=read},_,_,_) ->
{error, eacces};
do_add(Reader,_,_,_) ->
{error, {badarg, Reader}}.
-add_opts([dereference|T], Opts) ->
- RF = fun(F) -> file:read_file_info(F, [{time, posix}]) end,
- add_opts(T, Opts#add_opts{read_info=RF});
-add_opts([verbose|T], Opts) ->
- add_opts(T, Opts#add_opts{verbose=true});
-add_opts([{chunks,N}|T], Opts) ->
- add_opts(T, Opts#add_opts{chunk_size=N});
-add_opts([_|T], Opts) ->
- add_opts(T, Opts);
-add_opts([], Opts) ->
+add_opts([dereference|T], AllOptions, Opts) ->
+ RF = apply_file_info_opts_fun(AllOptions, read_file_info),
+ add_opts(T, AllOptions, Opts#add_opts{read_info=RF});
+add_opts([verbose|T], AllOptions, Opts) ->
+ add_opts(T, AllOptions, Opts#add_opts{verbose=true});
+add_opts([{chunks,N}|T], AllOptions, Opts) ->
+ add_opts(T, AllOptions, Opts#add_opts{chunk_size=N});
+add_opts([{atime,Value}|T], AllOptions, Opts) ->
+ add_opts(T, AllOptions, Opts#add_opts{atime=Value});
+add_opts([{mtime,Value}|T], AllOptions, Opts) ->
+ add_opts(T, AllOptions, Opts#add_opts{mtime=Value});
+add_opts([{ctime,Value}|T], AllOptions, Opts) ->
+ add_opts(T, AllOptions, Opts#add_opts{ctime=Value});
+add_opts([{uid,Value}|T], AllOptions, Opts) ->
+ add_opts(T, AllOptions, Opts#add_opts{uid=Value});
+add_opts([{gid,Value}|T], AllOptions, Opts) ->
+ add_opts(T, AllOptions, Opts#add_opts{gid=Value});
+add_opts([_|T], AllOptions, Opts) ->
+ add_opts(T, AllOptions, Opts);
+add_opts([], _AllOptions, Opts) ->
Opts.
+apply_file_info_opts(Opts, {ok, FileInfo}) ->
+ {ok, do_apply_file_info_opts(Opts, FileInfo)};
+apply_file_info_opts(_Opts, Other) ->
+ Other.
+
+do_apply_file_info_opts([{atime,Value}|T], FileInfo) ->
+ do_apply_file_info_opts(T, FileInfo#file_info{atime=Value});
+do_apply_file_info_opts([{mtime,Value}|T], FileInfo) ->
+ do_apply_file_info_opts(T, FileInfo#file_info{mtime=Value});
+do_apply_file_info_opts([{ctime,Value}|T], FileInfo) ->
+ do_apply_file_info_opts(T, FileInfo#file_info{ctime=Value});
+do_apply_file_info_opts([{uid,Value}|T], FileInfo) ->
+ do_apply_file_info_opts(T, FileInfo#file_info{uid=Value});
+do_apply_file_info_opts([{gid,Value}|T], FileInfo) ->
+ do_apply_file_info_opts(T, FileInfo#file_info{gid=Value});
+do_apply_file_info_opts([_|T], FileInfo) ->
+ do_apply_file_info_opts(T, FileInfo);
+do_apply_file_info_opts([], FileInfo) ->
+ FileInfo.
+
+apply_file_info_opts_fun(Options, InfoFunction) ->
+ fun(F) ->
+ apply_file_info_opts(Options, file:InfoFunction(F, [{time, posix}]))
+ end.
+
add1(#reader{}=Reader, Name, NameInArchive, #add_opts{read_info=ReadInfo}=Opts)
when is_list(Name) ->
Res = case ReadInfo(Name) of
@@ -515,9 +550,11 @@ add1(Reader, Bin, NameInArchive, Opts) when is_binary(Bin) ->
name = NameInArchive,
size = byte_size(Bin),
typeflag = ?TYPE_REGULAR,
- atime = Now,
- mtime = Now,
- ctime = Now,
+ atime = add_opts_time(Opts#add_opts.atime, Now),
+ mtime = add_opts_time(Opts#add_opts.mtime, Now),
+ ctime = add_opts_time(Opts#add_opts.ctime, Now),
+ uid = Opts#add_opts.uid,
+ gid = Opts#add_opts.gid,
mode = 8#100644},
{ok, Reader2} = add_header(Reader, Header, Opts),
Padding = skip_padding(byte_size(Bin)),
@@ -527,6 +564,9 @@ add1(Reader, Bin, NameInArchive, Opts) when is_binary(Bin) ->
{error, Reason} -> {error, {NameInArchive, Reason}}
end.
+add_opts_time(undefined, Now) -> Now;
+add_opts_time(Time, _Now) -> Time.
+
add_directory(Reader, DirName, NameInArchive, Info, Opts) ->
case file:list_dir(DirName) of
{ok, []} ->
diff --git a/lib/stdlib/src/erl_tar.hrl b/lib/stdlib/src/erl_tar.hrl
index cff0c2f500..5d6cecbb66 100644
--- a/lib/stdlib/src/erl_tar.hrl
+++ b/lib/stdlib/src/erl_tar.hrl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2017. All Rights Reserved.
+%% Copyright Ericsson AB 1997-2018. 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.
@@ -21,7 +21,12 @@
-record(add_opts, {
read_info, %% Fun to use for read file/link info.
chunk_size = 0, %% For file reading when sending to sftp. 0=do not chunk
- verbose = false}). %% Verbose on/off.
+ verbose = false, %% Verbose on/off.
+ atime = undefined,
+ mtime = undefined,
+ ctime = undefined,
+ uid = 0,
+ gid = 0}).
-type add_opts() :: #add_opts{}.
%% Options used when reading a tar archive.
@@ -36,7 +41,12 @@
-type add_opt() :: dereference |
verbose |
- {chunks, pos_integer()}.
+ {chunks, pos_integer()} |
+ {atime, non_neg_integer()} |
+ {mtime, non_neg_integer()} |
+ {ctime, non_neg_integer()} |
+ {uid, non_neg_integer()} |
+ {gid, non_neg_integer()}.
-type extract_opt() :: {cwd, string()} |
{files, [string()]} |