idk

1 files changed, 94 insertions, 0 deletions

diff --git a/users/kassouni/rip.nix b/users/kassouni/rip.nix
new file mode 100644
index 0000000..4fd8f76
--- /dev/null
+++ b/users/kassouni/rip.nix
@@ -0,0 +1,94 @@
+{ pkgs, pkgs-unstable, ... }:
+let
+  # Java 8 is the runtime that drives libbluray's BD-J menus; 17/21 hit
+  # reflection/AWT failures in disc Xlets.
+  bdjJdk = pkgs.jdk8;
+  # libbluray reads JAVA_HOME and locates the JVM at
+  # <home>/jre/lib/<arch>/server/libjvm.so. On nixpkgs that dir is the `.home`
+  # attribute (…/lib/openjdk), not the package store root.
+  bdjJavaHome = bdjJdk.home;
+
+  # libbluray's BD-J classes are Java 1.4 bytecode, so the stock jars load on any
+  # JVM — no recompile needed. LIBBLURAY_CP must be a SINGLE jar path (the j2se
+  # jar); libbluray auto-loads the matching AWT jar from the same directory.
+  # A ':'-joined classpath is treated as one filename and fails to open.
+  libbluray = pkgs.libbluray-full;
+  bdjJar = "${libbluray}/share/java/libbluray-j2se-${libbluray.version}.jar";
+
+  # Wrap every vlc entrypoint so BD-J playback uses jdk8. libbluray keys off
+  # JAVA_HOME; BDJ_JAVA_HOME is set too for good measure.
+  vlc-bluray = pkgs.symlinkJoin {
+    name = "vlc-bluray";
+    paths = [ pkgs.vlc ];
+    nativeBuildInputs = [ pkgs.makeWrapper ];
+    postBuild = ''
+      for prog in vlc cvlc nvlc qvlc rvlc svlc; do
+        if [ -e "$out/bin/$prog" ]; then
+          rm "$out/bin/$prog"
+          makeWrapper ${pkgs.vlc}/bin/$prog "$out/bin/$prog" \
+            --set JAVA_HOME "${bdjJavaHome}" \
+            --set BDJ_JAVA_HOME "${bdjJavaHome}" \
+            --set LIBBLURAY_CP "${bdjJar}" \
+            --prefix PATH : "${bdjJavaHome}/bin"
+        fi
+      done
+    '';
+  };
+
+  # rip.sh, verbatim — wrapped so bd_info/makemkvcon/mkisofs resolve from the
+  # Nix store instead of the ambient PATH. writeShellApplication supplies the
+  # shebang + `set -euo pipefail` and shellchecks the body at build time.
+  rip = pkgs.writeShellApplication {
+    name = "rip";
+    runtimeInputs = [
+      libbluray             # bd_info
+      pkgs-unstable.makemkv # makemkvcon
+      pkgs.cdrkit           # mkisofs
+      pkgs.gawk             # awk
+      pkgs.coreutils        # tr, mkdir
+    ];
+    text = ''
+      # Remove the decrypted backup folder once the ISO exists and is non-empty.
+      # The ISO wraps the same VIDEO_TS/BDMV payload, so the folder is redundant.
+      cleanup_backup() {
+          local backup="$1" iso="$2"
+          if [[ -s "$iso" ]]; then
+              rm -rf "$backup"
+          else
+              echo "ISO $iso missing or empty; keeping backup folder $backup" >&2
+              exit 1
+          fi
+      }
+
+      RIPS_DIR="/home/kassouni/Videos/backups"
+
+      VOLUME_NAME=$(bd_info /dev/sr0 | awk -F': ' '/Volume Identifier/ {print $2}' | tr -d '\r')
+
+      if [[ -z "$VOLUME_NAME" ]]; then
+          echo "Could not read volume identifier from /dev/sr0 (no disc?)" >&2
+          exit 1
+      fi
+
+      BACKUP_PATH="$RIPS_DIR/$VOLUME_NAME"
+      mkdir -p "$BACKUP_PATH"
+
+      makemkvcon backup --decrypt --messages=-stdout --progress=-same disc:/dev/sr0 "$BACKUP_PATH"
+
+      mkisofs -udf -iso-level "3" -allow-limited-size -input-charset "utf-8" -o "$BACKUP_PATH.iso" "$BACKUP_PATH/"
+
+      cleanup_backup "$BACKUP_PATH" "$BACKUP_PATH.iso"
+    '';
+  };
+in
+{
+  home.packages = with pkgs; [
+    rip
+    cdrkit
+    libbluray
+    libaacs
+    pkgs-unstable.makemkv
+    udftools
+    vlc-bluray
+    bdjJdk
+  ];
+}