Fix libsagui dependency handling for manual installs

Author: Al-Muhandis

build-deb.sh

@@ -83,6 +83,15 @@ validate_binary() {
     fi
 }
 
+normalize_maintainer_scripts() {
+    local script
+    for script in "${STAGING_DIR}/DEBIAN/postinst" "${STAGING_DIR}/DEBIAN/postrm"; do
+        if [ -f "${script}" ]; then
+            sed -i 's/\r$//' "${script}"
+        fi
+    done
+}
+
 # ---------------------------------------------------------------------------
 # Main
 # ---------------------------------------------------------------------------
@@ -99,6 +108,7 @@ mkdir -p "${BUILD_DIR}"
 
 # Copy staging from sources in /tmp — here chmod works correctly
 cp -r "${SCRIPT_DIR}/debian" "${STAGING_DIR}"
+normalize_maintainer_scripts
 
 # Include db_schema.sql — used by postinst to initialize the database
 mkdir -p "${STAGING_DIR}/usr/share/${PACKAGE_NAME}"

debian/DEBIAN/control

@@ -3,7 +3,8 @@ Priority: optional
 Maintainer: Renat Suleymanov <mail@Renat.Su>
 Architecture: amd64
 Section: utils
-Depends: dash, libc6 (>= 2.2.5), libsagui2 | libsagui
+Depends: dash, libc6 (>= 2.2.5)
+Recommends: libsagui2 | libsagui
 Origin: https://github.com/al-Muhandis/AdminHelper
 Description: Telegram admin helper
  Telegram bot service for groups' moderation

debian/DEBIAN/postinst

@@ -15,6 +15,10 @@ mysql_available() {
     command -v mysql &>/dev/null && mysqladmin ping --silent 2>/dev/null
 }
 
+libsagui_available() {
+    command -v ldconfig &>/dev/null && ldconfig -p 2>/dev/null | grep -q 'libsagui\.so'
+}
+
 # Read current value from JSON (return empty string if null or missing)
 json_get() {
     jq -r "$1 // empty" "${CONFIG_FILE}" 2>/dev/null || true
@@ -97,6 +101,12 @@ case "$1" in
             fi
         done
 
+        if ! libsagui_available; then
+            echo "ERROR: libsagui shared library was not found in dynamic linker cache." >&2
+            echo "       Install libsagui (package or from source) and run: sudo ldconfig" >&2
+            exit 1
+        fi
+
         if [ ! -f "${CONFIG_FILE}" ]; then
             echo "ERROR: config file not found: ${CONFIG_FILE}" >&2
             echo "       Place tgadmin.json into /etc/tgadmin/ before installing." >&2