diff options
Diffstat (limited to 'src/rebar_utils.erl')
| -rw-r--r-- | src/rebar_utils.erl | 104 |
1 files changed, 69 insertions, 35 deletions
diff --git a/src/rebar_utils.erl b/src/rebar_utils.erl index 49f7ad7..160d547 100644 --- a/src/rebar_utils.erl +++ b/src/rebar_utils.erl @@ -42,7 +42,7 @@ erl_to_mod/1, beams/1, find_executable/1, - vcs_vsn/2, + vcs_vsn/3, deprecated/3, deprecated/4, erl_opts/1, @@ -53,7 +53,8 @@ get_arch/0, wordsize/0, tup_umerge/2, - tup_sort/1]). + tup_sort/1, + line_count/1]). %% for internal use only -export([otp_release/0]). @@ -281,6 +282,11 @@ umerge([], Olds, Merged, CmpMerged, Cmp) when CmpMerged == Cmp -> umerge([], Olds, Merged, _CmpMerged, Cmp) -> lists:reverse(Olds, [Cmp | Merged]). +%% Implements wc -l functionality used to determine patchcount from git output +line_count(PatchLines) -> + Tokenized = string:tokens(PatchLines, "\n"), + {ok, length(Tokenized)}. + %% ==================================================================== %% Internal functions %% ==================================================================== @@ -298,27 +304,30 @@ otp_release1([$R,N|_]=Rel) when is_integer(N) -> %% the "\n". otp_release1(Rel) -> File = filename:join([code:root_dir(), "releases", Rel, "OTP_VERSION"]), - {ok, Vsn} = file:read_file(File), - - %% It's fine to rely on the binary module here because we can - %% be sure that it's available when the otp_release string does - %% not begin with $R. - Size = byte_size(Vsn), - %% The shortest vsn string consists of at least two digits - %% followed by "\n". Therefore, it's safe to assume Size >= 3. - case binary:part(Vsn, {Size, -3}) of - <<"**\n">> -> - %% The OTP documentation mentions that a system patched - %% using the otp_patch_apply tool available to licensed - %% customers will leave a '**' suffix in the version as a - %% flag saying the system consists of application versions - %% from multiple OTP versions. We ignore this flag and - %% drop the suffix, given for all intents and purposes, we - %% cannot obtain relevant information from it as far as - %% tooling is concerned. - binary:bin_to_list(Vsn, {0, Size - 3}); - _ -> - binary:bin_to_list(Vsn, {0, Size - 1}) + case file:read_file(File) of + {error, _} -> + Rel; + {ok, Vsn} -> + %% It's fine to rely on the binary module here because we can + %% be sure that it's available when the otp_release string does + %% not begin with $R. + Size = byte_size(Vsn), + %% The shortest vsn string consists of at least two digits + %% followed by "\n". Therefore, it's safe to assume Size >= 3. + case binary:part(Vsn, {Size, -3}) of + <<"**\n">> -> + %% The OTP documentation mentions that a system patched + %% using the otp_patch_apply tool available to licensed + %% customers will leave a '**' suffix in the version as a + %% flag saying the system consists of application versions + %% from multiple OTP versions. We ignore this flag and + %% drop the suffix, given for all intents and purposes, we + %% cannot obtain relevant information from it as far as + %% tooling is concerned. + binary:bin_to_list(Vsn, {0, Size - 3}); + _ -> + binary:bin_to_list(Vsn, {0, Size - 1}) + end end. %% We do the shell variable substitution ourselves on Windows and hope that the @@ -471,8 +480,8 @@ escript_foldl(Fun, Acc, File) -> Error end. -vcs_vsn(Vcs, Dir) -> - case vcs_vsn_cmd(Vcs, Dir) of +vcs_vsn(Vcs, Dir, Resources) -> + case vcs_vsn_cmd(Vcs, Dir, Resources) of {plain, VsnString} -> VsnString; {cmd, CmdString} -> @@ -484,23 +493,48 @@ vcs_vsn(Vcs, Dir) -> end. %% Temp work around for repos like relx that use "semver" -vcs_vsn_cmd(VCS, Dir) when VCS =:= semver ; VCS =:= "semver" -> - rebar_git_resource:make_vsn(Dir); -vcs_vsn_cmd(VCS, Dir) when VCS =:= git ; VCS =:= "git" -> - rebar_git_resource:make_vsn(Dir); -vcs_vsn_cmd(VCS, Dir) when VCS =:= pkg ; VCS =:= "pkg" -> - rebar_pkg_resource:make_vsn(Dir); -vcs_vsn_cmd({cmd, _Cmd}=Custom, _) -> +vcs_vsn_cmd(VCS, Dir, Resources) when VCS =:= semver ; VCS =:= "semver" -> + vcs_vsn_cmd(git, Dir, Resources); +vcs_vsn_cmd({cmd, _Cmd}=Custom, _, _) -> Custom; -vcs_vsn_cmd(Version, _) when is_list(Version) -> - {plain, Version}; -vcs_vsn_cmd(_, _) -> +vcs_vsn_cmd(VCS, Dir, Resources) when is_atom(VCS) -> + case find_resource_module(VCS, Resources) of + {ok, Module} -> + Module:make_vsn(Dir); + {error, _} -> + unknown + end; +vcs_vsn_cmd(VCS, Dir, Resources) when is_list(VCS) -> + try list_to_existing_atom(VCS) of + AVCS -> + case vcs_vsn_cmd(AVCS, Dir, Resources) of + unknown -> {plain, VCS}; + Other -> Other + end + catch + error:badarg -> + {plain, VCS} + end; +vcs_vsn_cmd(_, _, _) -> unknown. vcs_vsn_invoke(Cmd, Dir) -> {ok, VsnString} = rebar_utils:sh(Cmd, [{cd, Dir}, {use_stdout, false}]), string:strip(VsnString, right, $\n). +find_resource_module(Type, Resources) -> + case lists:keyfind(Type, 1, Resources) of + false -> + case code:which(Type) of + non_existing -> + {error, unknown}; + _ -> + {ok, Type} + end; + {Type, Module} -> + {ok, Module} + end. + %% %% Filter a list of erl_opts platform_define options such that only %% those which match the provided architecture regex are returned. |