jupyter


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#!/bin/sh

APPIMAGE_DIR="/opt/jupyterlab-appimage"

# - find the AppImage; fail clearly if missing or ambiguous
_match="$(find "$APPIMAGE_DIR" -maxdepth 1 -name 'jupyterlab-*.AppImage' 2>/dev/null)"
_count="$(printf '%s\n' "$_match" | grep -c 'AppImage' 2>/dev/null || echo 0)"

if [ "$_count" -eq 0 ]; then
    printf 'error: no jupyterlab AppImage found in %s\n' "$APPIMAGE_DIR" >&2
    exit 1
fi

if [ "$_count" -gt 1 ]; then
    printf 'error: multiple AppImages found in %s - keep only one:\n' "$APPIMAGE_DIR" >&2
    printf '%s\n' "$_match" >&2
    exit 1
fi

APPIMAGE="$_match"
export APPIMAGE_EXTRACT_AND_RUN=1
# - default to 'lab' when no subcommand is given; otherwise pass args as-is
if [ "$#" -eq 0 ]; then
    exec "$APPIMAGE" lab
else
    exec "$APPIMAGE" "$@"
fi