Add wp-theme script for managing themes

rootfs/usr/local/bin/wp-theme

@@ -0,0 +1,130 @@
+#!/usr/bin/env bash
+
+# Download theme (curl)
+# $1 - theme slug
+# $2 - theme version (optional)
+# Returns 0 on success, X on failure
+download() {
+    THEME_SLUG="${1:?download: THEME_SLUG is required}"
+    THEME_VERSION="${2:-}"
+
+    if [ -n "${THEME_VERSION}" ]; then
+        THEME_FILENAME="${THEME_SLUG}.${THEME_VERSION}.zip"
+    else
+        THEME_FILENAME="${THEME_SLUG}.zip"
+    fi
+
+    curl --fail -gsO "https://downloads.wordpress.org/theme/${THEME_FILENAME}" || return $?
+    echo "${THEME_FILENAME}"
+    return 0
+}
+
+# Unpack theme (unzip)
+# $1 - theme slug
+# $2 - theme version (optional)
+# Returns 0 on success, 1 on failure
+unpack() {
+    TARGET_THEMES_DIR="${TARGET_THEMES_DIR:?check: TARGET_THEMES_DIR is required}"
+    THEME_SLUG="${1:?unpack: THEME_SLUG is required}"
+    THEME_VERSION="${2:-}"
+
+    if [ -n "${THEME_VERSION}" ]; then
+        THEME_FILENAME="${THEME_SLUG}.${THEME_VERSION}.zip"
+    else
+        THEME_FILENAME="${THEME_SLUG}.zip"
+    fi
+
+    if [ -f "${THEME_FILENAME}" ]; then
+        unzip -qq -d "${TARGET_THEMES_DIR}" "${THEME_FILENAME}" || return $?
+        rm "${THEME_FILENAME}" -f
+        return 0
+    fi
+    return 1
+}
+
+# Check if theme is installed
+# $1 - theme slug
+# Returns 0 if theme is installed, 1 otherwise
+check() {
+    TARGET_THEMES_DIR="${TARGET_THEMES_DIR:?check: TARGET_THEMES_DIR is required}"
+    THEME_SLUG="${1:?check: THEME_SLUG is required}"
+
+    THEME_PATH="${TARGET_THEMES_DIR}/${THEME_SLUG}"
+
+    # Check if theme directory exists
+    if [ ! -d "${THEME_PATH}" ]; then
+        return 1
+    fi
+
+    # Check if theme theme.json exists - if yes, theme is probably installed successfully
+    if [ -f "${THEME_PATH}/theme.json" ]; then
+        return 0
+    fi
+
+    # Check if theme index.php exists - if yes, theme is probably installed successfully
+    if [ -f "${THEME_PATH}/index.php" ]; then
+        return 0
+    fi
+
+    # Check if theme directory is empty - if not, theme is probably installed successfully
+    if [ "$(ls -A "${THEME_PATH}")" ]; then
+        return 0
+    fi
+
+    # If we got here, then theme is not installed
+    return 1
+}
+
+# Delete theme
+# $1 - theme slug
+# Returns 0 on success, X on failure
+delete() {
+    TARGET_THEMES_DIR="${TARGET_THEMES_DIR:?delete: TARGET_THEMES_DIR is required}"
+    THEME_SLUG="${1:?delete: THEME_SLUG is required}"
+
+    THEME_PATH="${TARGET_THEMES_DIR}/${THEME_SLUG}"
+
+    # Check if theme directory exists
+    if [ ! -d "${THEME_PATH}" ]; then
+        return 1
+    fi
+
+    rm -rf "${THEME_PATH}"
+    return $?
+}
+
+
+# Main function
+main() {
+    COMMAND="${1:?COMMAND is required}"
+    TARGET_THEMES_DIR="${WP_THEMES_PATH:?WP_THEMES_PATH is required}"
+
+    export TARGET_THEMES_DIR
+
+    # Execute command by calling function with the same name
+    case "${COMMAND}" in
+    download)
+        download "${@:2}"
+        return $?
+        ;;
+    unpack)
+        unpack "${@:2}"
+        return $?
+        ;;
+    check)
+        check "${@:2}"
+        return $?
+        ;;
+    delete)
+        delete "${@:2}"
+        return $?
+        ;;
+    *)
+        echo "Error: Unknown command '${COMMAND}'"
+        return 1
+        ;;
+    esac
+}
+
+main "${@}"
+exit $?