feat: Améliore la gestion pour sourcer le contenu des sous-répertoires (*.d)

_helpers.bash

@@ -0,0 +1,44 @@
+#!/bin/bash
+
+function basedir() {
+	(cd "$(dirname \"$-2\")" && pwd)
+}
+
+function _source_file_if_exists() {
+	if [ -r "$1" ]; then
+		test -n "$DEBUG_BASHRC" && echo "-- Sourcing file $1"
+		source "$1"
+	fi
+}
+
+function _source_dir_files() {
+	if [ -d "$1" ]; then
+		test -n "$DEBUG_BASHRC" && echo "-- Sourcing files in directory $1"
+
+		# Safe loops for empty dirs
+		shopt -s nullglob
+
+		for file in "$1"/*; do
+			if [ -e "$file" ]; then
+				test -n "$DEBUG_BASHRC" && echo "    * sourcing file $file"
+				source "$file"
+			fi
+		done
+
+		# Restore option nullglob to normal
+		shopt -u nullglob
+	fi
+}
+
+# Source : https://superuser.com/questions/39751/add-directory-to-path-if-its-not-already-there
+_path_add() {
+	if [ -d "$1" ] && [[ ":$PATH:" != *":$1:"* ]]; then
+		PATH="${PATH:+"$PATH:"}$1"
+	fi
+}
+
+_prompt_command_add() {
+	if [ -n "$1" ] && [[ ":$PROMPT_COMMAND:" != *":$1:"* ]]; then
+		PROMPT_COMMAND="${PROMPT_COMMAND:+"$PROMPT_COMMAND;"}$1"
+	fi
+}