jresolve-cli/install at main · bowbahdoe/jresolve-cli · GitHub

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#!/usr/bin/env bash

set -euo pipefail

version=""
default_install_dir="/usr/local/bin"
install_dir="$default_install_dir"
download_dir=""
dev_build=""

print_help() {
    echo "Installs latest (or specific) version of jresolve. Installation directory defaults to /usr/local/bin."
    echo -e
    echo "Usage:"
    echo "install [--dir <dir>] [--download-dir <download-dir>] [--version <version>]"
    echo -e
    echo "Defaults:"
    echo " * Installation directory: ${default_install_dir}"
    echo " * Download directory: temporary"
    echo " * Version: <Latest release on github>"
    exit 1
}

while [[ $# -gt 0 ]]
do
    key="$1"
    case "$key" in
        --dir)
            install_dir="$2"
            shift
            shift
            ;;
        --download-dir)
            download_dir="$2"
            shift
            shift
            ;;
        --version)
            version="$2"
            shift
            shift
            ;;
        --dev-build)
            dev_build="true"
            shift
            ;;
        *)    # unknown option
            print_help
            shift
            ;;
    esac
done

if [[ -z "$download_dir" ]]; then
    download_dir="$(mktemp -d)"
    trap 'rm -rf "$download_dir"' EXIT
fi

if [[ "$version" == "" ]]; then
    if [[ "$dev_build" == "true" ]]; then
        version="$(curl -sL https://raw.githubusercontent.com/bowbahdoe/jresolve-cli/main/JRESOLVE_VERSION)"
    else
        version="$(curl -sL https://raw.githubusercontent.com/bowbahdoe/jresolve-cli/main/JRESOLVE_RELEASED_VERSION)"
    fi
fi

repo="jresolve-cli"

download_url="https://github.com/bowbahdoe/$repo/releases/download/v$version/jresolve.jar"

# Running this part in a subshell so when it finishes we go back to the previous directory
mkdir -p "$download_dir" && (
    cd "$download_dir"
    echo -e "Downloading $download_url to $download_dir"
    curl -o "jresolve.jar" -sL "$download_url"
)

if [[ "$download_dir" != "$install_dir" ]]
then
    mkdir -p "$install_dir"
    if [ -f "$install_dir/jresolve" ]; then
        echo "Moving $install_dir/jresolve to $install_dir/jresolve.old"
        mv -f "$install_dir/jresolve" "$install_dir/jresolve.old"
    fi
    echo "#!/usr/bin/env -S java -jar" > "$install_dir/jresolve"
    cat  "$download_dir/jresolve.jar" >> "$install_dir/jresolve"
    chmod +x "$install_dir/jresolve"
fi

echo "Successfully installed jresolve in $install_dir"