phone: Move pinephone video script to separate package

Now it's possible to use the video recording script outside of fish.

hosts/phone/configuration.nix

@@ -47,30 +47,7 @@ in
       ;
 
     config = {
-      programs = {
+      programs.man.generateCaches = mkForce false;
-        fish.functions.video = # fish
-          ''
-            ${pkgs.v4l-utils}/bin/media-ctl -d1 --links '"gc2145 3-003c":0->1:0[0],"ov5640 3-004c":0->1:0[1]'
-            ${pkgs.v4l-utils}/bin/media-ctl -d1 --set-v4l2 '"ov5640 3-004c":0[fmt:UYVY8_2X8/1280x720@1/30]'
-
-            ffmpeg \
-              -input_format yuv420p \
-              -s 1280x720 \
-              -f video4linux2 \
-              -thread_queue_size 4096 \
-              -i /dev/video1 \
-              -f pulse \
-              -thread_queue_size 256 \
-              -i alsa_input.platform-sound.Voice_Call__DigitalMic__source \
-              -c:a libopus \
-              -c:v libx264 \
-              -preset ultrafast \
-              -qp 23 \
-              "$(date '+%x（%a）%R').mp4"
-          '';
-
-        man.generateCaches = mkForce false;
-      };
 
       xdg = {
         desktopEntries = {

packages/pinephone-scripts.nix

@@ -0,0 +1,72 @@
+{
+  lib,
+  stdenvNoCC,
+  writeTextFile,
+  makeWrapper,
+  fish,
+  v4l-utils,
+  ffmpeg,
+}:
+
+let
+  pinephone-video = writeTextFile {
+    name = "pinephone-video";
+    text = # fish
+      ''
+        media-ctl -d1 --links '"gc2145 3-003c":0->1:0[0],"ov5640 3-004c":0->1:0[1]'
+        media-ctl -d1 --set-v4l2 '"ov5640 3-004c":0[fmt:UYVY8_2X8/1280x720@1/30]'
+
+        ffmpeg \
+          -input_format yuv420p \
+          -s 1280x720 \
+          -f video4linux2 \
+          -thread_queue_size 4096 \
+          -i /dev/video1 \
+          -f pulse \
+          -thread_queue_size 256 \
+          -i alsa_input.platform-sound.Voice_Call__DigitalMic__source \
+          -c:a libopus \
+          -c:v libx264 \
+          -preset ultrafast \
+          -qp 23 \
+          "$(date '+%x（%a）%R').mp4"
+      '';
+  };
+in
+stdenvNoCC.mkDerivation {
+  pname = "pinephone-scripts";
+  version = "0.1.0";
+
+  dontUnpack = true;
+
+  nativeBuildInputs = [ makeWrapper ];
+
+  installPhase = ''
+    runHook preInstall
+
+    install -Dm755 ${pinephone-video} $out/bin/pinephone-video
+
+    runHook postInstall
+  '';
+
+  postInstall = ''
+    for bin in $out/bin/*; do
+      wrapProgram "$bin" \
+        --prefix PATH ":" "${
+          lib.makeBinPath [
+            fish
+            v4l-utils
+            ffmpeg
+          ]
+        }"
+    done
+  '';
+
+  meta = {
+    homepage = "https://github.com/donovanglover/nix-config";
+    description = "PinePhone-specific scripts like video recording";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ donovanglover ];
+    platforms = lib.platforms.linux;
+  };
+}