Add Workflow to test Scripts (#2269)

.github/workflows/scripts/app-test/pr-alpine-install.func

@@ -0,0 +1,88 @@
+#!/usr/bin/env bash
+# Copyright (c) 2021-2025 community-scripts ORG
+# Author: michelroegl-brunner
+# License: MIT | https://github.com/community-scripts/ProxmoxVE/raw/main/LICENSE
+
+color() {
+  return
+}
+catch_errors() {
+  set -Eeuo pipefail
+  trap 'error_handler $LINENO "$BASH_COMMAND"' ERR
+}
+
+
+error_handler() {
+  local line_number="$1"
+  local command="$2"
+  SCRIPT_NAME=$(basename "$0")
+  local error_message="$SCRIPT_NAME: Failure in line $line_number while executing command $command"
+  echo -e "\n$error_message"
+  exit 0
+}
+verb_ip6() {
+    STD=""
+    return
+}
+
+msg_info() {
+  local msg="$1"
+  echo -ne "${msg}\n"
+}
+
+msg_ok() { 
+  local msg="$1"
+  echo -e "${msg}\n"
+}
+
+msg_error() {
+  
+  local msg="$1"
+  echo -e "${msg}\n"
+}
+
+RETRY_NUM=10
+RETRY_EVERY=3
+i=$RETRY_NUM
+
+setting_up_container() {
+  while [ $i -gt 0 ]; do
+    if [ "$(ip addr show | grep 'inet ' | grep -v '127.0.0.1' | awk '{print $2}' | cut -d'/' -f1)" != "" ]; then
+      break
+    fi
+    echo 1>&2 -en "No Network! "
+    sleep $RETRY_EVERY
+    i=$((i - 1))
+  done
+
+  if [ "$(ip addr show | grep 'inet ' | grep -v '127.0.0.1' | awk '{print $2}' | cut -d'/' -f1)" = "" ]; then
+    echo 1>&2 -e "\n No Network After $RETRY_NUM Tries"
+    echo -e "Check Network Settings"
+    exit 1
+  fi
+  msg_ok "Set up Container OS"
+  msg_ok "Network Connected: $(hostname -i)"
+}
+
+network_check() {
+  RESOLVEDIP=$(getent hosts github.com | awk '{ print $1 }')
+  if [[ -z "$RESOLVEDIP" ]]; then msg_error "DNS Lookup Failure"; else msg_ok "DNS Resolved github.com to $RESOLVEDIP"; fi
+  set -e
+}
+
+update_os() {
+ msg_info "Updating Container OS"
+  apk update
+  apk upgrade
+  msg_ok "Updated Container OS"
+}
+
+motd_ssh() {
+  return
+}
+
+customize() {
+   return
+}
+
+