rust/bin/add_practice_exercise at 2e25f85d2aa35408378541d57a4e2bc51936b5e8 · exercism/rust · GitHub

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#!/usr/bin/env bash

# see comment in generator-utils/utils.sh
# shellcheck source=bin/generator-utils/utils.sh
# shellcheck source=bin/generator-utils/templates.sh
# shellcheck source=bin/generator-utils/prompts.sh
# shellcheck source=./generator-utils/utils.sh
# shellcheck source=./generator-utils/prompts.sh
# shellcheck source=./generator-utils/templates.sh

source ./bin/generator-utils/utils.sh
source ./bin/generator-utils/prompts.sh
source ./bin/generator-utils/templates.sh

# Exit if anything fails.
set -euo pipefail

# If argument not provided, print usage and exit
if [ $# -ne 1 ] && [ $# -ne 2 ] && [ $# -ne 3 ]; then
    echo "Usage: bin/add_practice_exercise <exercise-slug> [difficulty] [author-github-handle]"
    exit 1
fi

# Check if sed is gnu-sed
if ! sed --version | grep -q "GNU sed"; then
    echo "GNU sed is required. Please install it and make sure it's in your PATH."
    exit 1
fi

# Check if jq and curl are installed
command -v jq >/dev/null 2>&1 || {
    echo >&2 "jq is required but not installed. Please install it and make sure it's in your PATH."
    exit 1
}
command -v curl >/dev/null 2>&1 || {
    echo >&2 "curl is required but not installed. Please install it and make sure it's in your PATH."
    exit 1
}

# Build configlet
bin/fetch-configlet
message "success" "Fetched configlet successfully!"

# Check if exercise exists in configlet info or in config.json
check_exercise_existence "$1"

# ==================================================

slug="$1"
# Fetch canonical data
canonical_json=$(bin/fetch_canonical_data "$slug")

has_canonical_data=true
if [ "${canonical_json}" == "404: Not Found" ]; then
    has_canonical_data=false
    message "warning" "This exercise doesn't have canonical data"

else
    echo "$canonical_json" >canonical_data.json
    message "success" "Fetched canonical data successfully!"
fi

underscored_slug=$(dash_to_underscore "$slug")
exercise_dir="exercises/practice/${slug}"
exercise_name=$(format_exercise_name "$slug")
message "info" "Using ${yellow}${exercise_name}${blue} as a default exercise name. You can edit this later in the config.json file"
# using default value for difficulty
exercise_difficulty=$(validate_difficulty_input "${2:-$(get_exercise_difficulty)}")
message "info" "The exercise difficulty has been set to ${yellow}${exercise_difficulty}${blue}. You can edit this later in the config.json file"
# using default value for author
author_handle=${3:-$(get_author_handle)}
message "info" "Using ${yellow}${author_handle}${blue} as author's handle. You can edit this later in the 'authors' field in the ${exercise_dir}/.meta/config.json file"

create_rust_files "$exercise_dir" "$slug" "$has_canonical_data"

# ==================================================


# Preparing config.json
message "info" "Adding instructions and configuration files..."

uuid=$(bin/configlet uuid)

# Add exercise-data to global config.json
jq --arg slug "$slug" --arg uuid "$uuid" --arg name "$exercise_name" --argjson difficulty "$exercise_difficulty" \
    '.exercises.practice += [{slug: $slug, name: $name, uuid: $uuid, practices: [], prerequisites: [], difficulty: $difficulty}]' \
    config.json >config.json.tmp
# jq always rounds whole numbers, but average_run_time needs to be a float
sed -i 's/"average_run_time": \([0-9]\+\)$/"average_run_time": \1.0/' config.json.tmp
mv config.json.tmp config.json
message "success" "Added instructions and configuration files"

# Create instructions and config files
echo "Creating instructions and config files"

./bin/configlet sync --update --yes --docs --metadata --exercise "$slug"
./bin/configlet sync --update --yes --filepaths --exercise "$slug"
./bin/configlet sync --update --tests include --exercise "$slug"
message "success" "Created instructions and config files"

# Push author to "authors" array in ./meta/config.json
meta_config="$exercise_dir"/.meta/config.json
jq --arg author "$author_handle" '.authors += [$author]' "$meta_config" >"$meta_config".tmp && mv "$meta_config".tmp "$meta_config"
message "success" "You've been added as the author of this exercise."

sed -i "s/name = \".*\"/name = \"$underscored_slug\"/" "$exercise_dir"/Cargo.toml

message "done" "All stub files were created."

message "info" "After implementing the solution, tests and configuration, please run:"

echo "./bin/configlet fmt --update --yes --exercise ${slug}"