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112 lines
3.3 KiB
Nix
112 lines
3.3 KiB
Nix
{ stdenv, writeText, elixir, erlang, hex, lib }:
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{ name
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, version
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, src
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, buildInputs ? [ ]
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, nativeBuildInputs ? [ ]
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, beamDeps ? [ ]
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, propagatedBuildInputs ? [ ]
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, postPatch ? ""
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, compilePorts ? false
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, meta ? { }
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, enableDebugInfo ? false
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, mixEnv ? "prod"
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# A config directory that is considered for all the dependencies of an app, typically in $src/config/
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# This was initially added, as some of Mobilizon's dependencies need to access the config at build time.
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, appConfigPath ? null
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, ...
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}@attrs:
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let
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shell = drv: stdenv.mkDerivation {
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name = "interactive-shell-${drv.name}";
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buildInputs = [ drv ];
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};
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pkg = self: stdenv.mkDerivation (attrs // {
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name = "${name}-${version}";
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inherit version src;
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MIX_ENV = mixEnv;
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MIX_DEBUG = if enableDebugInfo then 1 else 0;
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HEX_OFFLINE = 1;
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LC_ALL = "C.UTF-8";
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# add to ERL_LIBS so other modules can find at runtime.
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# http://erlang.org/doc/man/code.html#code-path
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# Mix also searches the code path when compiling with the --no-deps-check flag
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setupHook = attrs.setupHook or
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writeText "setupHook.sh" ''
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addToSearchPath ERL_LIBS "$1/lib/erlang/lib"
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'';
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buildInputs = buildInputs ++ [ ];
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nativeBuildInputs = nativeBuildInputs ++ [ elixir hex ];
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propagatedBuildInputs = propagatedBuildInputs ++ beamDeps;
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configurePhase = attrs.configurePhase or ''
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runHook preConfigure
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${./mix-configure-hook.sh}
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${lib.optionalString (!isNull appConfigPath)
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# Due to https://hexdocs.pm/elixir/main/Config.html the config directory
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# of a library seems to be not considered, as config is always
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# application specific. So we can safely delete it.
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''
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rm -rf config
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cp -r ${appConfigPath} config
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''}
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runHook postConfigure
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'';
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buildPhase = attrs.buildPhase or ''
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runHook preBuild
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export HEX_HOME="$TEMPDIR/hex"
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export MIX_HOME="$TEMPDIR/mix"
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mix compile --no-deps-check
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runHook postBuild
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'';
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installPhase = attrs.installPhase or ''
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runHook preInstall
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# This uses the install path convention established by nixpkgs maintainers
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# for all beam packages. Changing this will break compatibility with other
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# builder functions like buildRebar3 and buildErlangMk.
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mkdir -p "$out/lib/erlang/lib/${name}-${version}"
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# Some packages like db_connection will use _build/shared instead of
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# honoring the $MIX_ENV variable.
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for reldir in _build/{$MIX_ENV,shared}/lib/${name}/{src,ebin,priv,include} ; do
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if test -d $reldir ; then
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# Some builds produce symlinks (eg: phoenix priv dircetory). They must
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# be followed with -H flag.
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cp -Hrt "$out/lib/erlang/lib/${name}-${version}" "$reldir"
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fi
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done
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# Copy the source so it can be used by dependent packages. For example,
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# phoenix applications need the source of phoenix and phoenix_html to
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# build javascript and css assets.
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mkdir -p $out/src
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cp -r $src/* "$out/src"
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runHook postInstall
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'';
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# stripping does not have any effect on beam files
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# it is however needed for dependencies with NIFs like bcrypt for example
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dontStrip = false;
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passthru = {
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packageName = name;
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env = shell self;
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inherit beamDeps;
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};
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});
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in
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lib.fix pkg
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