Termix: migrate database to new db/data layout introduced in 2.5.1 (#15996)

Migrate Termix database to the new db/data layout introduced in 2.5.1, fail fast on backend build errors, and precreate the db/data directory on fresh installs.

Co-authored-by: P3RF3CTION <13474113+P3RF3CTION@users.noreply.github.com>

ct/termix.sh

@@ -154,9 +154,16 @@ EOF
       /opt/termix/nginx \
       /opt/termix/nginx/logs \
       /opt/termix/nginx/cache \
-      /opt/termix/nginx/client_body
+      /opt/termix/nginx/client_body \
+      /opt/termix/db/data
     msg_ok "Recreated Directories"
 
+    if [[ -f /opt/termix/data/db.sqlite.encrypted && ! -f /opt/termix/db/data/db.sqlite.encrypted ]]; then
+      msg_info "Migrating Database to new layout"
+      cp -a /opt/termix/data/db.sqlite.encrypted /opt/termix/db/data/db.sqlite.encrypted
+      msg_ok "Migrated Database to new layout"
+    fi
+
     msg_info "Building Frontend"
     cd /opt/termix
     export COREPACK_ENABLE_DOWNLOAD_PROMPT=0
@@ -168,6 +175,10 @@ EOF
     msg_info "Building Backend"
     $STD npm rebuild better-sqlite3 --force
     $STD npm run build:backend
+    if [[ ! -f /opt/termix/dist/backend/backend/starter.js ]]; then
+      msg_error "Backend build failed: /opt/termix/dist/backend/backend/starter.js was not created"
+      exit 1
+    fi
     msg_ok "Built Backend"
 
     msg_info "Setting up Production Dependencies"

install/termix-install.sh

@@ -85,7 +85,8 @@ mkdir -p /opt/termix/data \
   /opt/termix/nginx \
   /opt/termix/nginx/logs \
   /opt/termix/nginx/cache \
-  /opt/termix/nginx/client_body
+  /opt/termix/nginx/client_body \
+  /opt/termix/db/data
 
 cp -r /opt/termix/dist/* /opt/termix/html/ 2>/dev/null || true
 cp -r /opt/termix/src/locales /opt/termix/html/locales 2>/dev/null || true