bash-shell-host/all/modules/install/hugo-install.func

#!/bin/bash

hugo_install () {
    # inspried from this forum post  https://discourse.gohugo.io/t/script-to-install-latest-hugo-release-on-macos-and-ubuntu/14774/10
    # if you have run into github api anonymous access limits which happens during debugging/dev then add user and token here or sourced from a separate file
    # . ~/githubapitoken
    #GITHUB_USER=""
    #GITHUB_TOKEN=""
    
    if [ "$GITHUB_TOKEN" != "" ]; then
        echo using access token with script
        echo $GITHUB_USER $GITHUB_TOKEN
    fi
    
    EXTENDED=false
    FORCE=false
    EFILE=""
    
    
    # options
    # e - download and install the extended version
    # c - use 'hugoe' as the install command for extended version otherwise 'hugo' will launch extended version
    # f - force download/overwrite of same version
    
    declare OPTION
    declare OPTARG
    declare OPTIND
    
    while getopts 'ecf' OPTION; do
        case "$OPTION" in
            e)
                echo "installing extended hugo"
                EXTENDED=true
            ;;
            c)
                if [ $EXTENDED = true ]; then
                    EFILE="e"
                    echo using hugoe for extended command
                fi
            ;;
            f)
                echo "FORCING download/overwrite"
                FORCE=true
            ;;
        esac
    done
    
    shift $(( OPTIND - 1 ))
    
    DEFAULT_BIN_DIR="/usr/local/bin"
    # Single optional argument is directory in which to install hugo
    BIN_DIR=${1:-"$DEFAULT_BIN_DIR"}
    
    BIN_PATH="$(which hugo$EFILE)"
    declare -A ARCHES
    ARCHES=( ["arm64"]="ARM64" ["aarch64"]="ARM64"  ["x86_64"]="64bit" ["arm32"]="ARM"  ["armhf"]="ARM" )
    ARCH=$(arch)
    
    if [ -z "${ARCHES[$ARCH]}" ]; then
        echo  Your machine kernel architecture $ARCH is not supported by this script, aborting
        exit 1
    fi
    
    
    INSTALLED="$(hugo$EFILE version 2>/dev/null | cut -d'v' -f2 | cut -c 1-6)"
    CUR_VERSION=${INSTALLED:-"None"}
    echo $(curl -u $GITHUB_USER:$GITHUB_TOKEN -s https://api.github.com/repos/gohugoio/hugo/releases/latest | grep tag_name)
    NEW_VERSION="$(curl -u $GITHUB_USER:$GITHUB_TOKEN -s https://api.github.com/repos/gohugoio/hugo/releases/latest  \
        | grep tag_name \
    | cut -d'v' -f2 | cut -c 1-6)"
    
    echo "Hugo `[ $EXTENDED == true ] && echo "Extended"`: Current  Version : $CUR_VERSION => New Version: $NEW_VERSION"
    
    if [ -z "$NEW_VERSION" ]; then
        echo  Unable to retrieve new version number - Likely you have reached github anonymous limit
        echo  set environment variable `$GITHUB_USER` and `$GITHUB_TOKEN` and try again
        exit 1
    fi
    
    [[ $NEW_VERSION = $CUR_VERSION ]] && [[ $FORCE = false ]]  && echo Latest version already installed at $BIN_PATH && return 0
    
    pushd /tmp/ > /dev/null
    
    URL=$(curl -u $GITHUB_USER:$GITHUB_TOKEN -s https://api.github.com/repos/gohugoio/hugo/releases/latest \
        | grep "browser_download_url.*hugo.*._Linux-${ARCHES[$ARCH]}\.tar\.gz" \
        | \
        if [ $EXTENDED = true ]; then
            grep "_extended"
        else
            grep -v "_extended"
        fi \
        | cut -d ":" -f 2,3 \
        | tr -d \" \
    )
    
    echo $URL
    
    echo "Installing version $NEW_VERSION `[ $EXTENDED == true ] && echo "Extended"`  "
    echo "This machine's architecture is $ARCH"
    echo "Downloading Tarball $URL"
    
    wget --user=-u $GITHUB_USER --password=$GITHUB_TOKEN -q $URL
    
    TARBALL=$(basename $URL)
    # TARBALL="$(find . -name "*Linux-${ARCHES[$ARCH]}.tar.gz" 2>/dev/null)"
    echo Expanding Tarball, $TARBALL
    tar -xzf $TARBALL hugo
    
    chmod +x hugo
    
    if [ -w $BIN_DIR ]; then
        echo "Installing hugo to $BIN_DIR"
        mv hugo -f $BIN_DIR/hugo$EFILE
    else
        echo "installing hugo to $BIN_DIR (sudo)"
        sudo mv -f hugo $BIN_DIR/hugo$EFILE
    fi
    
    rm $TARBALL
    
    popd > /dev/null
    
    echo Installing hugo `[ $EXTENDED == true ] && echo "extended"` as hugo$EFILE
    
    BIN_PATH="$(which hugo$EFILE)"
    
    if [ -z "$BIN_PATH" ]; then
        printf "WARNING: Installed Hugo Binary in $BIN_DIR is not in your environment path\nPATH=$PATH\n"
    else
        if [ "$BIN_DIR/hugo$EFILE" != "$BIN_PATH" ]; then
            echo "WARNING: Just installed Hugo binary hugo$EFILE to, $BIN_DIR , conflicts with existing Hugo in $BIN_PATH"
            echo "add $BIN_DIR to path and delete $BIN_PATH"
        else
            echo "--- Installation Confirmation ---"
            printf "New Hugo binary version at $BIN_PATH is\n $($BIN_PATH version)\n"
        fi
    fi
    
}