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erlang: refactor: build packages per Erlang/OTP.

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This change introduces a fixpoint, which allows to do deep override when
building packages defined in pkgs/development/beam-modules/default.hex.
This allows to provide beam.packages.erlang{,R16,R17,R18,R19} which
contains the same packages built with different Erlang/OTP versions.

Top-level attribute beamPackages points at beam.packages.erlangR18, the
same applies to other top-level Erlang packages.

TODO:
- beam.packages.erlang{R16,R17} is almost useless, since rebar/rebar3
  does not build using these versions;
- all packages in beam.packages which use buildMix are actually built
  with erlangR18;
- update documentation.
This commit is contained in:
Gleb Peregud
2017-06-19 19:53:15 +02:00
parent 31703358bd
commit d1b9c9d2cd
4 changed files with 60 additions and 27 deletions
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pkgs/top-level/beam-packages.nix
+15 -12
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@@ -3,10 +3,11 @@
rec {
lib = import ../development/beam-modules/lib.nix { inherit pkgs; };
# Each
interpreters = rec {
# R18 is the Default version.
erlang = erlangR18;
# R18 is the default version.
erlang = erlangR18; # The main switch to change default Erlang version.
erlang_odbc = erlangR18_odbc;
erlang_javac = erlangR18_javac;
erlang_odbc_javac = erlangR18_odbc_javac;
@@ -44,22 +45,24 @@ rec {
odbcSupport = true;
};
# Other Beam languages.
# Other Beam languages. These are built with beam.interpreters.erlang.
elixir = callPackage ../development/interpreters/elixir { debugInfo = true; };
lfe = callPackage ../development/interpreters/lfe { };
};
# Helper function to generate package set with a specific Erlang version.
packagesWith = erlang: callPackage ../development/beam-modules { inherit erlang; };
# Each field in this tuple represents all Beam packages in nixpkgs built with
# appropriate Erlang/OTP version.
packages = rec {
rebar = callPackage ../development/tools/build-managers/rebar { };
rebar3-open = callPackage ../development/tools/build-managers/rebar3 { hermeticRebar3 = false; };
rebar3 = callPackage ../development/tools/build-managers/rebar3 { hermeticRebar3 = true; };
hexRegistrySnapshot = callPackage ../development/beam-modules/hex-registry-snapshot.nix { };
fetchHex = callPackage ../development/beam-modules/fetch-hex.nix { };
beamPackages = callPackage ../development/beam-modules { };
hex2nix = beamPackages.callPackage ../development/tools/erlang/hex2nix { };
cuter = callPackage ../development/tools/erlang/cuter { };
# Packages built with default Erlang version.
erlang = packagesWith interpreters.erlang;
erlangR16 = packagesWith interpreters.erlangR16;
erlangR17 = packagesWith interpreters.erlangR17;
erlangR18 = packagesWith interpreters.erlangR18;
erlangR19 = packagesWith interpreters.erlangR19;
relxExe = callPackage ../development/tools/erlang/relx-exe {};
};
}