Update Wordpress Plugin using Local zip file

update_wp_plugin

#!/usr/bin/env bash

script_filename=$0
plugin_name=$1
version=$2
plugins_dir=~/plugins
old_plugins_dir=~/old-plugins
script_name="Wordress Plugin Updater"
script_description="Updates a wordpress plugin given the local plugin directory path."
plugin_filename=
plugin_filepath=

function color()
{
    local col=$1
    shift
    NC='\033[0m' # No Color
    
    case $col in
        RED|red|Red|r)
            printf "\033[0;31m$*${NC}"
        ;;
        GREEN|green|Green|g)
            printf "\033[0;32m$*${NC}"
        ;;
    esac
}

function bold()
{
    echo $(tput bold)$*$(tput sgr0)
}

function fail()
{
    echo `color RED $*`
    exit 1
}

function trailingslashit()
{
    local STR=$1
    [[ "${STR}" != */ ]] && STR="${STR}/"
    
    echo $STR
}

function display_info()
{
    echo "Plugin: $plugin_name"
    echo "Version: $version"
    echo "Plugins Directory: $plugins_dir"
    echo "Plugin file name: $plugin_filename"
    echo "Plugin file path: $plugin_filepath"
    echo "Old Plugins Directory: $old_plugins_dir"
    echo "Backup Folder Name: $backup_dirname"
    echo
}

function usage()
{
    # echo `bold Name`
    # echo
    # echo "  $script_name"
    # echo
    # echo `bold Description`
    # echo
    # echo "  $script_description"
    # echo
    
    echo Usage:
    echo "  ./$(basename $script_filename) <name> <version>"
    
    if [[ $1 != "m" ]];
    then
        echo
        echo Arguments:
        echo "  name                The name of the plugin."
        echo "  version             The version to update to."
        # echo
        # echo Option:
        # echo "  --plugins-dir       Path to plugins repository.(Default: $plugins_dir)"
        # echo "  --old-plugins-dir   Path to where the old plugins will be stored. (Default: $old_plugins_dir)"
        # echo "  --help|-h           Show help."
    fi
}

function check_args()
{
    
    # while test $# -gt 0; do
    #     case "$1" in
    #         -h|--help)
    #             usage
    #             exit
    #         ;;
    #         --plugins-dir)
    #             shift
    #             echo pugins dir
    #             plugins_dir=$1
    #             shift
    #         ;;
    #     esac
    # done
    
    backup_dirname=$plugin_name-`date +'%F%-H%m%S'`
    
    
    if [[ -z $plugin_name ]]
    then
        echo `color r Plugin name is required.`
        echo
        usage m
        exit 1;
    fi
    
    if [[ -z $version ]];
    then
        echo `color r Version is required.`
        echo
        usage m
        exit 1;
    fi;
}

function check_wp()
{
    if [[ -z `command -v wp` ]];
    then
        fail "WP-CLI is not installed. Visit https://wp-cli.org/"
    fi
    # Check if the current directory is a valid wordpress installation.
    wp core version 2>&1>/dev/null || fail "This is not a valid wordpress installation."
    
    wp plugin is-installed "$plugin_name" || fail "Plugin $plugin_name is not installed."
}

function do_check()
{
    check_wp
    check_args
}

function prepare()
{
    mkdir -p $old_plugins_dir
    plugins_dir=$(trailingslashit $plugins_dir)
    old_plugins_dir=$(trailingslashit $old_plugins_dir)
    old_plugin_filepath=$old_plugins_dir$backup_dirname
    plugin_filename=$plugin_name.$version.zip
    plugin_filepath="$plugins_dir$plugin_name/$plugin_filename"
    installed_plugin_dir=$(dirname `wp plugin path $plugin_name`)
}

function run()
{
    do_check
    prepare
    display_info
    
    if [[ ! -f "$plugin_filepath" ]]
    then
        fail "$plugin_filepath does not exists."
    fi
    # cd into plugin directory
    cd $(wp plugin path)
    # Only deactivate when it is active.
    wp plugin is-active $plugin_name && wp plugin deactivate $plugin_name 1>/dev/null
    # Move the current plugin to old plugin dir
    mv $plugin_name "$old_plugin_filepath"
    # Create the plugin folder.
    mkdir $plugin_name
    # Cd into the plugin folder and extract the new plugin version there.
    cd $plugin_name
    echo "Extracting files..."
    unzip $plugin_filepath 1>/dev/null
    # Activate the plugin.
    echo "Activating plugin..."
    wp plugin activate $plugin_name 2>&1>/dev/null && {
        echo `color g Plugin $plugin_name has been updated to version $version.`
        exit
        } || {
        fail "There was an error activating the plugin."
    }
}

# Run now.
run