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# The actual Plex package that we run is a FHS userenv of the "raw" package.
{ stdenv
, buildFHSUserEnv
, writeScript
, plexRaw
# Old argument for overriding the Plex data directory; not used for this
# version of Plex, but still around for backwards-compatibility.
, dataDir ? "/var/lib/plex"
}:
buildFHSUserEnv {
name = "plexmediaserver";
inherit (plexRaw) meta;
# This script is run when we start our Plex binary
runScript = writeScript "plex-run-script" ''
#!${stdenv.shell}
set -eu
# The root path to our Plex installation
root=${plexRaw}/lib/plexmediaserver
# Path to where we're storing our Plex data files. We default to storing
# them in the user's home directory under the XDG-compatible location, but
# allow overriding with an environment variable so the location can be
# configured in our NixOS module.
#
# NOTE: the old version of Plex used /var/lib/plex as the default location,
# but this package shouldn't assume that we're going to run Plex with the
# ability to write to /var/lib, so using a subdirectory of $HOME when none
# is specified feels less likely to have permission errors.
if [[ -z "''${PLEX_DATADIR:-}" ]]; then
PLEX_DATADIR="$HOME/.local/share/plex"
fi
if [[ ! -d "$PLEX_DATADIR" ]]; then
echo "Creating Plex data directory: $PLEX_DATADIR"
mkdir -p "$PLEX_DATADIR"
fi
# The database is stored under the given directory
db="$PLEX_DATADIR/.skeleton/com.plexapp.plugins.library.db"
# If we don't have a database in the expected path, then create one by
# copying our base database to that location.
if ! test -f "$db"; then
echo "Copying base database file to: $db"
mkdir -p "$(dirname "$db")"
cat "${plexRaw.basedb}" > "$db"
fi
# Set up symbolic link at '/db', which is linked to by our Plex package
# (see the 'plexRaw' package).
ln -s "$db" /db
# If we have a plugin list (set by our NixOS module), we create plugins in
# the data directory as expected. This is a colon-separated list of paths.
if [[ -n "''${PLEX_PLUGINS:-}" ]]; then
echo "Preparing plugin directory"
pluginDir="$PLEX_DATADIR/Plex Media Server/Plug-ins"
test -d "$pluginDir" || mkdir -p "$pluginDir"
# First, remove all of the symlinks in the plugins directory.
while IFS= read -r -d $'\0' f; do
echo "Removing plugin symlink: $f"
rm "$f"
done < <(find "$pluginDir" -type l -print0)
echo "Symlinking plugins"
IFS=':' read -ra pluginsArray <<< "$PLEX_PLUGINS"
for path in "''${pluginsArray[@]}"; do
dest="$pluginDir/$(basename "$path")"
if [[ ! -d "$path" ]]; then
echo "Error symlinking plugin from $path: no such directory"
elif [[ -d "$dest" || -L "$dest" ]]; then
echo "Error symlinking plugin from $path to $dest: file or directory already exists"
else
echo "Symlinking plugin at: $path"
ln -s "$path" "$dest"
fi
done
fi
if [[ -n "''${PLEX_SCANNERS:-}" ]]; then
for scannerType in Common Movies Music Series; do
echo "Preparing $scannerType scanners directory"
scannerDir="$PLEX_DATADIR/Plex Media Server/Scanners/$scannerType"
test -d "$scannerDir" || mkdir -p "$scannerDir"
# First, remove all of the symlinks in the scanners directory.
echo "Removing old symlinks"
while IFS= read -r -d $'\0' f; do
echo "Removing scanner symlink: $f"
rm "$f"
done < <(find "$scannerDir" -type l -print0)
echo "Symlinking scanners"
IFS=':' read -ra scannersArray <<< "$PLEX_SCANNERS"
for path in "''${scannersArray[@]}"; do
# The provided source should contain a 'Scanners' directory; symlink
# from inside that.
subpath="$path/Scanners/$scannerType"
while IFS= read -r -d $'\0' file; do
dest="$scannerDir/$(basename "$file")"
if [[ -f "$dest" || -L "$dest" ]]; then
echo "Error symlinking scanner from $file to $dest: file or directory already exists"
else
echo "Symlinking scanner at: $file"
ln -s "$file" "$dest"
fi
done < <(find "$subpath" -type f -print0)
done
done
fi
# Tell Plex to use the data directory as the "Application Support"
# directory, otherwise it tries to write things into the user's home
# directory.
export PLEX_MEDIA_SERVER_APPLICATION_SUPPORT_DIR="$PLEX_DATADIR"
# Tell Plex where the 'home' directory for itself is.
export PLEX_MEDIA_SERVER_HOME="${plexRaw}/lib/plexmediaserver"
# Actually run Plex, prepending LD_LIBRARY_PATH with the libraries from
# the Plex package.
LD_LIBRARY_PATH=$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}$root exec "$root/Plex Media Server"
'';
}
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