tjh.dev
1{
2 lib,
3 pkgs,
4 alsa-lib,
5 plugins ? [ pkgs.alsa-plugins ],
6 lndir,
7 symlinkJoin,
8 runCommand,
9}:
10let
11 merged = symlinkJoin {
12 name = "alsa-plugins-merged";
13 paths = plugins;
14 };
15in
16runCommand "${alsa-lib.pname}-${alsa-lib.version}"
17 {
18 meta = with lib; {
19 description = "Wrapper to ease access to ALSA plugins";
20 mainProgram = "aserver";
21 platforms = platforms.linux;
22 maintainers = with maintainers; [ gm6k ];
23 };
24 outputs = alsa-lib.outputs;
25 }
26 (
27 (lib.concatMapStringsSep "\n" (output: ''
28 mkdir ${builtins.placeholder output}
29 ${lndir}/bin/lndir ${lib.attrByPath [ output ] null alsa-lib} \
30 ${builtins.placeholder output}
31 '') alsa-lib.outputs)
32 + ''
33 cp -r ${merged}/lib/alsa-lib $out/lib
34 (
35 echo $out | wc -c
36 echo ${alsa-lib} | wc -c
37 ) | xargs echo | grep -q "^\(.*\) \1$" || (
38 echo cannot binary patch
39 exit 1
40 )
41 rm $out/lib/libasound.la
42 rm $out/lib/libasound.so.?.?.?
43 rm $dev/lib/pkgconfig/alsa.pc
44 rm $dev/nix-support/propagated-build-inputs
45 cp ${alsa-lib}/lib/libasound.la $out/lib
46 cp ${alsa-lib}/lib/libasound.so.?.?.? $out/lib
47 cp ${alsa-lib.dev}/lib/pkgconfig/alsa.pc $dev/lib/pkgconfig
48 cp ${alsa-lib.dev}/nix-support/propagated-build-inputs $dev/nix-support
49 sed -i \
50 $out/lib/libasound.la \
51 $out/lib/libasound.so.?.?.? \
52 $dev/lib/pkgconfig/alsa.pc \
53 $dev/nix-support/propagated-build-inputs \
54 -e "s@${alsa-lib}@$out@g"
55 ''
56 )