submit-authored-solutions

#!/usr/bin/env bash

# Synopsis:
# Submit a track's authored exercises that haven't been submitted yet.

# Example:
# bin/add-practice-exercise prolog

scriptname=$0

help_and_exit() {
    echo >&2 "Submit a track's authored exercises that haven't been submitted yet"
    echo >&2 "Usage: ${scriptname} <track-slug>"
    exit 1
}

die() { echo >&2 "$*"; exit 1; }

required_tool() {
    command -v "${1}" >/dev/null 2>&1 ||
        die "${1} is required but not installed. Please install it and make sure it's in your PATH."
}

required_tool jq

(( $# >= 1 )) || help_and_exit

track_slug="${1}"
track_dir="${HOME}/exercism/tracks/${track_slug}"
track_solutions_dir="${HOME}/solutions/${track_slug}"

pushd "${track_dir}" > /dev/null
git sync
popd > /dev/null

mkdir -p "${track_solutions_dir}"

for exercise_dir in "${track_dir}"/exercises/practice/*; do
  meta_config_file="${exercise_dir}"/.meta/config.json
  if jq -e '.authors | map(ascii_downcase) | index("erikschierboom")' "${meta_config_file}" > /dev/null; then
    exercise_slug=$(basename "${exercise_dir}")
    solution_dir="${track_solutions_dir}/${exercise_slug}"
    if [[ -d "${solution_dir}" ]]; then
      echo "Skipping ${solution_dir} as it already exists"
      continue
    fi
    
    exercism download --exercise="${exercise_slug}" --track="${track_slug}"
    pushd "${solution_dir}" > /dev/null

    jq -c '[.files.solution, .files.example] | transpose | map({src: .[1], dst: .[0]}) | .[]' "${meta_config_file}" \
    | while read -r src_and_dst; do
        src=$(jq -r '.src' <<< "${src_and_dst}")
        dst=$(jq -r '.dst' <<< "${src_and_dst}")
        cp "${exercise_dir}/${src}" "${solution_dir}/${dst}"
    done

    exercise
    sleep 12
    popd > /dev/null
  fi
done