beamPackages: add the ability to override phases

pkgs/development/beam-modules/build-erlang-mk.nix

@@ -8,6 +8,8 @@
 , postPatch ? ""
 , compilePorts ? false
 , installPhase ? null
+, buildPhase ? null
+, configurePhase ? null
 , meta ? {}
 , ... }@attrs:
 
@@ -37,7 +39,8 @@ let
     buildInputs = [ erlang perl which gitMinimal wget ];
     propagatedBuildInputs = beamDeps;
 
-    configurePhase = ''
+    configurePhase = if configurePhase == null
+    then ''
       runHook preConfigure
 
       # We shouldnt need to do this, but it seems at times there is a *.app in
@@ -45,17 +48,21 @@ let
       make SKIP_DEPS=1 clean
 
       runHook postConfigure
-    '';
+    ''
+    else configurePhase;
 
-    buildPhase = ''
+    buildPhase = if buildPhase == null
+    then ''
         runHook preBuild
 
         make SKIP_DEPS=1
 
         runHook postBuild
-    '';
+    ''
+    else buildPhase;
 
-    installPhase = ''
+    installPhase =  if installPhase == null
+    then ''
         runHook preInstall
 
         mkdir -p $out/lib/erlang/lib/${name}
@@ -75,7 +82,8 @@ let
         fi
 
         runHook postInstall
-    '';
+    ''
+    else installPhase;
 
     passthru = {
       packageName = name;

pkgs/development/beam-modules/build-mix.nix

@@ -8,6 +8,9 @@
 , beamDeps ? []
 , postPatch ? ""
 , compilePorts ? false
+, installPhase ? null
+, buildPhase ? null
+, configurePhase ? null
 , meta ? {}
 , ... }@attrs:
 
@@ -38,13 +41,17 @@ let
     inherit buildInputs;
     propagatedBuildInputs = [ hexRegistrySnapshot hex elixir ] ++ beamDeps;
 
-    configurePhase = ''
+    configurePhase = if configurePhase == null
+    then ''
       runHook preConfigure
       ${erlang}/bin/escript ${bootstrapper}
       runHook postConfigure
-    '';
+    ''
+    else configurePhase ;
 
-    buildPhase = ''
+
+    buildPhase = if buildPhase == null
+    then ''
         runHook preBuild
 
         export HEX_OFFLINE=1
@@ -54,9 +61,11 @@ let
         MIX_ENV=prod mix compile --debug-info --no-deps-check
 
         runHook postBuild
-    '';
+    ''
+    else buildPhase;
 
-    installPhase = ''
+    installPhase = if installPhase == null
+    then ''
         runHook preInstall
 
         MIXENV=prod
@@ -74,7 +83,8 @@ let
         done
 
         runHook postInstall
-    '';
+    ''
+    else installPhase;
 
     passthru = {
       packageName = name;

pkgs/development/beam-modules/build-rebar3.nix

@@ -8,6 +8,8 @@
 , postPatch ? ""
 , compilePorts ? false
 , installPhase ? null
+, buildPhase ? null
+, configurePhase ? null
 , meta ? {}
 , ... }@attrs:
 
@@ -46,20 +48,24 @@ let
       rm -f rebar rebar3
     '';
 
-    configurePhase = ''
+    configurePhase = if configurePhase == null
+    then ''
       runHook preConfigure
       ${erlang}/bin/escript ${rebar3.bootstrapper}
       runHook postConfigure
-    '';
+    ''
+    else configurePhase;
 
-    buildPhase = ''
+    buildPhase = if buildPhase == null
+    then ''
       runHook preBuild
       HOME=. rebar3 compile
       ${if compilePorts then ''
         HOME=. rebar3 pc compile
       '' else ''''}
       runHook postBuild
-    '';
+    ''
+    else installPhase;
 
     installPhase = if installPhase == null
     then ''