puzzle/run

#!/bin/sh

RUN_BIN="$(realpath "$0")"
RUN_DIR=$(dirname "$RUN_BIN")
RUN_SCRIPTS_DIR="$RUN_DIR/scripts"

if [ $# -eq 0 ]; then
  ls $RUN_SCRIPTS_DIR
  exit 0
fi

RUN_TASK="$1"
[ $# -gt 0 ] && shift

if [ -f "$RUN_SCRIPTS_DIR/$RUN_TASK" ]; then
  export RUN_BIN
  export RUN_DIR
  export RUN_TASK
  exec "$RUN_SCRIPTS_DIR/$RUN_TASK" "$@"
else
  echo "Task not found: $RUN_TASK" >&2
  exit 2
fi