.NET Format Bash Wrapper Script

#!/usr/bin/env bash

#
# Bash wrapper script for the .NET Format global CLI tool.
#
# Author........: Jon LaBelle
# Date..........: February 4, 2021
# Snippet.......: https://jonlabelle.com/snippets/view/shell/net-format-bash-wrapper-script
# Gist..........: https://gist.github.com/jonlabelle/a0751768a220274a90d4be498da51643
# .NET Format...: https://github.com/dotnet/format
#

readonly SCRIPT_NAME=$(basename "${0}")

show_usage() {
    echo "Usage: ${SCRIPT_NAME} [options]"
    echo
    echo "A simple wrapper script for the .NET Format global CLI tool."
    echo
    echo "Globs the current directory for *.sln files and passes matches"
    echo "into the dotnet format tool's <workspace> argument."
    echo
    echo "Options:"
    echo
    echo "  -i, --install     Install the dotnet format global tool."
    echo "  -u, --uninstall   Uninstall the dotnet format global tool."
    echo "  -f, --format      Formats, fixes codestyle errors, and fixes 3rd party analyzer errors."
    echo "  -c, --check       Check only. Terminates with a non-zero exit code if any files require formatting."
    echo "  -h, --help        Show usage."
    echo
}

install() {
    # dotnet-format tool on net5 requires adding custom package source
    dotnet tool install -g dotnet-format \
        --version 5.0.* \
        --add-source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet-tools/nuget/v3/index.json
}

uninstall() {
    dotnet tool uninstall -g dotnet-format
}

format() {
    find . -name '*.sln' -type f -maxdepth 1 -print0 | xargs -0 -I % \
        dotnet format --verbosity detailed % \
            --fix-whitespace \
            --fix-analyzers
}

check() {
    local result project

    for project in $(find . -name '*.sln' -type f -maxdepth 1); do
        echo "> Checking project: $project"

        dotnet format --verbosity diagnostic "$project" \
            --fix-whitespace \
            --fix-style warn \
            --fix-analyzers \
            --check

        result=$?

        if [ "$result" -gt 0 ]; then
            echo
            echo "  Format check returned a non-zero exit code ($result)."
        fi

        echo
    done
}

if [[ $# -eq 0 || -z "$1" ]]; then
    show_usage
    exit 1
fi

if [[ "$1" == "-i" || "$1" == "--install" ]]; then
    install
elif [[ "$1" == "-u" || "$1" == "--uninstall" ]]; then
    uninstall
elif [[ "$1" == "-f" || "$1" == "--format" ]]; then
    format
elif [[ "$1" == "-c" || "$1" == "--check" ]]; then
    check
elif [[ "$1" == "-h" || "$1" == "--help" ]]; then
    show_usage
else
    echo "'$1' is not a valid argument."
    echo
    show_usage
    exit 1
fi