tools.func: never delete ubuntu.sources (or other distro base sources) as orphaned

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -524,6 +524,7 @@ Exercise vigilance regarding copycat or coat-tailing sites that seek to exploit
 
   - #### 🐞 Bug Fixes
 
+    - Correction to link in Paperless-NGX update script [@jsspen](https://github.com/jsspen) ([#16241](https://github.com/community-scripts/ProxmoxVE/pull/16241))
     - fix restore env in split pro [@johanngrobe](https://github.com/johanngrobe) ([#16228](https://github.com/community-scripts/ProxmoxVE/pull/16228))
 
 ### 💾 Core

ct/paperless-ngx.sh

@@ -42,7 +42,7 @@ function update_script() {
       echo -e ""
       msg_custom "🔄" "Migration required to new data structure (/opt/paperless_data/)"
       msg_custom "📖" "Please follow the migration guide:"
-      echo -e "${GATEWAY}${BGN}https://github.com/community-scripts/ProxmoxVE/discussions/9223${CL}"
+      echo -e "${GATEWAY}${BGN}https://github.com/community-scripts/ProxmoxVE/pull/9223${CL}"
       echo -e ""
       msg_custom "⚠️" "Update aborted. Please migrate your data first."
       exit 253

ct/termix.sh

@@ -143,7 +143,7 @@ EOF
     fi
     msg_ok "Migrated Configuration"
 
-    create_backup /opt/termix/data /opt/termix/uploads
+    create_backup /opt/termix/data /opt/termix/uploads /opt/termix/.env
 
     CLEAN_INSTALL=1 fetch_and_deploy_gh_release "termix" "Termix-SSH/Termix" "tarball"
 

misc/tools.func

@@ -2040,8 +2040,9 @@ cleanup_orphaned_sources() {
     local basename_file
     basename_file=$(basename "$sources_file")
 
-    # NEVER remove debian.sources - this is the standard Debian repository
-    if [[ "$basename_file" == "debian.sources" ]]; then
+    # NEVER remove the distro's own base sources file (debian.sources,
+    # ubuntu.sources, ...)
+    if [[ "$basename_file" == "$(get_os_info id).sources" ]]; then
       continue
     fi
 
@@ -2113,7 +2114,7 @@ ensure_apt_working() {
       # Step 4: More aggressive - remove all third-party sources
       msg_warn "APT update still failing, removing third-party sources"
       find /etc/apt/sources.list.d/ -type f \( -name "*.sources" -o -name "*.list" \) \
-        ! -name "debian.sources" -delete 2>/dev/null || true
+        ! -name "$(get_os_info id).sources" -delete 2>/dev/null || true
 
       # Final attempt
       if ! $STD apt update; then