dotnet-directory

#!/bin/bash

# This is a script called by multiple tests to find the runtime
# directory of the current platform.

set -euo pipefail

function usage() {
    echo "usage: $0 [--home | --framework] <version>"
    echo ""
    echo "Shows a .NET directory."
}

print_home=0
print_framework=0

positional_args=()
while [[ $# -gt 0 ]]; do
    arg=$1
    shift
    case "$arg" in
        --home) print_home=1 ;;
        --framework) print_framework=1 ;;
        --*) usage; exit 1 ;;
        *)
            positional_args+=("$arg")
            ;;
    esac
done

version=${positional_args[0]:-}
if [[ -z ${version} ]]; then
    echo "error: missing argument."
    usage
    exit 1
fi

declare -a versions
IFS='.-' read -ra versions <<< "${version}"
dotnet_dir=$(dirname "$(readlink -f "$(command -v dotnet)")")
framework_dirs=( "${dotnet_dir}/shared/Microsoft.NETCore.App/${versions[0]}.${versions[1]}"* )
framework_dir="${framework_dirs[0]}"

if [[ ${print_home} == 1 ]]; then
    echo "${dotnet_dir}"
elif [[ ${print_framework} == 1 ]]; then
    echo "${framework_dir}"
else
    echo "error"
    exit 1
fi