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{ 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
];
}
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