Install a WordPress plugin from the latests GitHub release

install-wp-plugin-from-github-latest.sh

#!/bin/bash

# Function to download and extract the latest release ZIP of a GitHub
# repository to the current WordPress install's plugin directory
download() {
    # Split the first argument into repo_owner and repo_name
    local repo_full="$1"
    local repo_owner="${repo_full%/*}"
    local repo_name="${repo_full#*/}"
    local plugin_dir=$(wp eval 'echo WP_PLUGIN_DIR;')

    echo ""

    # Check if both parts are extracted correctly
    if [[ -z "$repo_owner" || -z "$repo_name" ]]; then
        echo "💡 Usage: install-github-plugin <owner/repo>"
        return 1
    fi

    # Check if the plugin directory ends with '/plugins'
    if [[ "$plugin_dir" != */plugins ]]; then
        echo -e "❌ could not find wp plugin dir"
        return 1
    fi

    # Set the plugin directory from the second argument or default to the current directory
    local final_dir="$plugin_dir/$repo_name"

    # Check if the plugin directory already contains the folder
    if [[ -d "$final_dir" ]]; then
        echo "The folder $final_dir already exists. Exiting."
        return 0
    fi

    # Fetch the latest release zipball URL using GitHub API
    local latest_release_url
    latest_release_url=$(curl -s "https://api.github.com/repos/$repo_owner/$repo_name/releases/latest" | jq -r '.zipball_url')

    # Check if the URL was retrieved successfully
    if [[ "$latest_release_url" == "null" ]]; then
        echo "Failed to get latest release for $repo_owner/$repo_name."
        return 1
    fi

    # Download the ZIP file
    local zip_file="${repo_name}_latest.zip"
    curl -L -s "$latest_release_url" -o "$zip_file"
    echo "✅ Downloaded $zip_file"

    # Extract the ZIP file to the plugin directory
    unzip -q "$zip_file" -d "$plugin_dir"
    echo "✅ Extracted $zip_file to $plugin_dir"

    # Find the extracted directory name
    local extracted_dir="$plugin_dir/$(unzip -Z -1 "$zip_file" | head -n 1 | cut -d/ -f1)"

    # Rename the extracted directory to remove the "_latest" suffix, if needed
    if [[ -d "$extracted_dir" ]]; then
        mv "$extracted_dir" "$final_dir"
        echo "✅ Renamed $(basename "$extracted_dir") to $(basename "$final_dir")"
    else
        echo "❌ Error: Extracted directory not found."
        return 1
    fi

    # Clean up by removing the ZIP file
    rm "$zip_file"
    echo "✅ Deleted $zip_file"

    echo ""

    echo "✅ Installed $repo_owner/$repo_name to $final_dir"
}

# Run the function with the provided arguments
download "$1"

Usage

This will download and install the latest release from a WordPress plugin hosted on GitHub

# in a wordpress install...
chmod +x /path/to/install-wp-plugin-from-github-latest.sh
/path/to/install-wp-plugin-from-github-latest.sh afragen/git-updater