✨ 🎉 Initial library code

lib/fs.sh

@@ -0,0 +1,80 @@
+#!/usr/bin/env bash
+# ==============================================================================
+# Community Hass.io Add-ons: Bashio
+# Bashio is an bash function library for use with Hass.io add-ons.
+#
+# It contains a set of commonly used operations and can be used
+# to be included in add-on scripts to reduce code duplication across add-ons.
+# ==============================================================================
+
+# ------------------------------------------------------------------------------
+# Check whether or not a directory exists.
+#
+# Arguments:
+#   $1 Path to directory
+# ------------------------------------------------------------------------------
+function bashio::fs.directory_exists() {
+    local directory=${1}
+
+    bashio::log.trace "${FUNCNAME[0]}:" "$@"
+
+    if [[ -d "${directory}" ]]; then
+        return "${__BASHIO_EXIT_OK}"
+    fi
+
+    return "${__BASHIO_EXIT_NOK}"
+}
+
+# ------------------------------------------------------------------------------
+# Check whether or not a file exists.
+#
+# Arguments:
+#   $1 Path to file
+# ------------------------------------------------------------------------------
+function bashio::fs.file_exists() {
+    local file=${1}
+
+    bashio::log.trace "${FUNCNAME[0]}:" "$@"
+
+    if [[ -f "${file}" ]]; then
+        return "${__BASHIO_EXIT_OK}"
+    fi
+
+    return "${__BASHIO_EXIT_NOK}"
+}
+
+# ------------------------------------------------------------------------------
+# Check whether or not a device exists.
+#
+# Arguments:
+#   $1 Path to device
+# ------------------------------------------------------------------------------
+function bashio::fs.device_exists() {
+    local device=${1}
+
+    bashio::log.trace "${FUNCNAME[0]}:" "$@"
+
+    if [[ -d "${device}" ]]; then
+        return "${__BASHIO_EXIT_OK}"
+    fi
+
+    return "${__BASHIO_EXIT_NOK}"
+}
+
+# ------------------------------------------------------------------------------
+# Check whether or not a socket exists.
+#
+# Arguments:
+#   $1 Path to socket
+# ------------------------------------------------------------------------------
+function bashio::fs.socket_exists() {
+    local socket=${1}
+
+    bashio::log.trace "${FUNCNAME[0]}:" "$@"
+
+    if [[ -S "${socket}" ]]; then
+        return "${__BASHIO_EXIT_OK}"
+    fi
+
+    return "${__BASHIO_EXIT_NOK}"
+}