created hw-core bash libraries

will be traited as a git subtree

modules/hw-core/bash-lib-event/src/hooks.sh

@@ -0,0 +1,16 @@
+# par 1: hook_name
+function hwc_event_run_hooks() {
+  hook_name="HOOKS_MAP_$1"
+  read -r -a SRCS <<< ${!hook_name}
+  echo "Running hooks: $hook_name"
+  for i in "${SRCS[@]}"
+  do
+  	$i # run registered hook
+  done
+}
+
+function hwc_event_register_hooks() {
+  hook_name="HOOKS_MAP_$1"
+  hooks=${@:2}
+  declare -g "$hook_name+=$hooks "
+}

modules/hw-core/bash-lib-git/bin/git-subtree-list

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+CUR_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+source $CUR_DIR"/../src/subtree.sh"
+
+hwc_git_subtree_list

modules/hw-core/bash-lib-git/src/subtree.sh

@@ -0,0 +1,3 @@
+function hwc_git_subtree_list() {
+	git log | grep git-subtree-dir | tr -d ' ' | cut -d ":" -f2 | sort | uniq
+}