From 6a28e4c09e20d0c42a5029fd40bc850574e614f1 Mon Sep 17 00:00:00 2001
From: CanbiZ <47820557+MickLesk@users.noreply.github.com>
Date: Fri, 4 Jul 2025 13:34:35 +0200
Subject: [PATCH] Update core.func

---
 misc/core.func | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/misc/core.func b/misc/core.func
index 4442f809..42964889 100644
--- a/misc/core.func
+++ b/misc/core.func
@@ -262,19 +262,16 @@ ensure_tput() {
 }
 
 is_alpine() {
-  local os_id="${var_os:-}"
+  local os_id="${var_os:-${PCT_OSTYPE:-}}"
 
-  if [[ -z "$os_id" ]]; then
-    if [[ -f /etc/os-release ]]; then
-      os_id="$(
-        . /etc/os-release 2>/dev/null
-        echo "${ID:-}"
-      )"
-    fi
+  if [[ -z "$os_id" && -f /etc/os-release ]]; then
+    os_id="$(
+      . /etc/os-release 2>/dev/null
+      echo "${ID:-}"
+    )"
   fi
 
-  echo "[DEBUG] is_alpine(): os_id='${os_id}'" >&2
-
+  [[ "${DEBUG:-}" == "true" ]] && echo "[DEBUG] is_alpine(): os_id='${os_id}'" >&2
   [[ "$os_id" == "alpine" ]]
 }