run_autograder

#!/usr/bin/env bash

# TODO(you): define the expected language
language=c++

# TODO(you): list files that student must submit
#            and files that are provided on backend (see below)
#            note: _only_ these files will be used during testing
files_to_submit=( code.cpp code_tests.cpp code_interactive.cpp code.h )

#
# TODO?(you): list files provided by instructor
#
provided_files=( )

################################################################################
##
## DON'T MESS WITH THIS STUFF DOWN HERE, please.
##
################################################################################

usage() {
  echo "Usage: $0 [-d] [-h] [-t <number>]"
  echo "  -d            run autograder script (-> tests) in debug mode"
  echo "  -h            show this help message and exit"
  echo "  -l <language> expected programming language (default=${language})"
  echo "  -t <number>   run test(s) with specified number"
}

debugmode=0
while getopts "dhl:t:" flag; do
  case "${flag}" in
    d)
      debugmode=1
      ;;
    l)
      language=${OPTARG}
      ;;
    t)
      tests=${OPTARG}
      ;;
    h | *) # display help
      usage
      exit 0
      ;;
  esac
done

BASE_DIR=$(pwd)

if [ -d /autograder ]; then
  # we are in a gradescope-like environment
  AUTOGRADER_CORE_REPO=/autograder/autograder-core
  REPO=/autograder/autograder-code
  SUBMISSION=/autograder/submission

  # Update autograder files
  cd $AUTOGRADER_CORE_REPO
  git pull
  cd $REPO
  git pull
  cd $BASE_DIR

else
  # we are NOT in a gradescope-like environment
  AUTOGRADER_CORE_REPO=$BASE_DIR/../autograder-core
  REPO=$BASE_DIR
  if [ -d "$BASE_DIR/solution/$language" ]; then
    SUBMISSION=$BASE_DIR/solution/$language
  else
    SUBMISSION=$BASE_DIR/solution
  fi

  if [ ! -d "$AUTOGRADER_CORE_REPO" ]; then
    echo "[FATAL] autograder-core repo is not where it is expected to be ($(realpath $AUTOGRADER_CORE_REPO))"
    exit 1
  fi

  if [ ! -d "$SUBMISSION" ]; then
    echo "[FATAL] solution is not where it is expected to be ($(realpath $SUBMISSION))"
    exit 1
  fi

fi

# copy provided files into submission directory
for file in "${provided_files[@]}"; do
    cp $REPO/provided/$file $SUBMISSION/
done

# bootstrapping FTW
cp $AUTOGRADER_CORE_REPO/run_autograder_script.sh ras
chmod u+x ./ras


flags="-l ${language}"
if [ $debugmode -eq 1 ]; then
  flags="$flags -d"
fi
if [ ! -z  "${tests}" ]; then
  flags="$flags -t $tests"
fi

./ras $flags "${files_to_submit[@]}" "${provided_files[@]}"

rm ras