refactor(pkgs/mpc): Rename to `mpp`

Nixpkgs has renamed their `mpc-cli` package to just `mpc`, turning this
`mpc` package into an override for the official nixpkgs one. I think
being explicit about the fact, that `mpc` is wrapped is the best
solution here.

2 files changed, 63 insertions, 0 deletions

diff --git a/pkgs/by-name/mp/mpc/mpc.sh b/pkgs/by-name/mp/mpp/mpp.sh
index 0d636ac5..0d636ac5 100755
--- a/pkgs/by-name/mp/mpc/mpc.sh
+++ b/pkgs/by-name/mp/mpp/mpp.sh
diff --git a/pkgs/by-name/mp/mpp/package.nix b/pkgs/by-name/mp/mpp/package.nix
new file mode 100644
index 00000000..29ec1c80
--- /dev/null
+++ b/pkgs/by-name/mp/mpp/package.nix
@@ -0,0 +1,63 @@
+{
+  sysLib,
+  mpc,
+  fd,
+  symlinkJoin,
+  stdenv,
+}: let
+  script = sysLib.writeShellScript {
+    name = "mpp";
+    src = ./mpp.sh;
+    generateCompletions = false;
+    # We source the wrappers from the environment, to ensure that they have the same
+    # configurations (e.g. MPD_MUSIC_DIR in `mpc-lyrics`)
+    keepPath = true;
+    dependencies = [
+      mpc
+    ];
+  };
+
+  mpcShare = stdenv.mkDerivation {
+    name = "${mpc.name}-only-share";
+    nativeBuildInputs = [fd];
+    strictDeps = true;
+
+    src = mpc;
+
+    buildPhase = ''
+      fixMpc() {
+        file_path="$1"
+
+        new_file_path="$(echo "$file_path" | sed "s|mpc|mpp|g")"
+
+        echo "Fixing '$file_path' -> '$new_file_path'.."
+
+        [ -f "$file_path"] && mkdir --parents "$(dirname "$new_file_path")"
+
+        mv "$file_path" "$new_file_path"
+      }
+
+      # Replace all reverences to `mpc`. First all files
+      fd "mpc" "." --hidden --type file | while read -r file_path; do
+        fixMpc "$file_path"
+      done
+      # Then their possible parent directories.
+      fd "mpc" "." --hidden --type directory | while read -r file_path; do
+        fixMpc "$file_path"
+      done
+      # Now patch all reverences to `mpc` away
+      fd "." --hidden --type file | while read -r file_path; do
+        sed --in-place 's/mpc/mpp/g' "$file_path"
+      done
+    '';
+
+    installPhase = ''
+      mkdir "$out";
+      cp --recursive ./share "$out/share";
+    '';
+  };
+in
+  symlinkJoin {
+    name = "mpp-merged";
+    paths = [script mpcShare];
+  }