Use default fallbacks when DB_CONNECTION or DB_DATABASE are missing (#164)

* Use database.sqlite as default DB_DATABASE

* Avoid duplicated echo

* Quotes

* Check if file exist before trying to restore it

* Check for dirs not files

Author: rmartinoscar

static/updatePanel.sh

@@ -46,12 +46,12 @@ echo "Panel is now in maintenance mode."
 db_connection=$(grep "^DB_CONNECTION=" "$env_file" | cut -d '=' -f 2)
 
 if [ -z "$db_connection" ]; then
-  echo "DB_CONNECTION not found in $env_file."
-  exitInstall 0
+  db_connection='sqlite'
+  echo "DB_CONNECTION not found in $env_file, using $db_connection as default."
+else
+  echo "DB_CONNECTION is set to: $db_connection"
 fi
 
-echo "DB_CONNECTION is set to: $db_connection"
-
 read -p "Do you want to create a backup? (y/n) [y]: " backup_confirm
 backup_confirm=${backup_confirm:-y}
 if [ "$backup_confirm" != "y" ]; then
@@ -69,24 +69,31 @@ if [ $? -ne 0 ]; then
 fi
 echo "Backed up .env file successfully."
 
-cp -a "$install_dir/storage/app/public" "$backup_dir/storage/app/"
-if [ $? -ne 0 ]; then
-  echo "Failed to backup avatars & fonts files, aborting"
-  exitInstall 1
+if [ -d "$install_dir/storage/app/public" ]; then
+  cp -a "$install_dir/storage/app/public" "$backup_dir/storage/app/"
+  if [ $? -ne 0 ]; then
+    echo "Failed to backup avatars & fonts files, aborting"
+    exitInstall 1
+  fi
 fi
 
 if [ "$db_connection" = "sqlite" ]; then
   db_database=$(grep "^DB_DATABASE=" "$env_file" | cut -d '=' -f 2)
 
   if [ -z "$db_database" ]; then
-    echo "DB_DATABASE not found in $env_file."
-    exitInstall 1
+    uses_default=true
+    db_database='database.sqlite'
+    echo "DB_DATABASE not found in $env_file, using $db_database as default."
   fi
 
   if [[ "$db_database" != *.sqlite ]]; then
     db_database="$db_database.sqlite"
   fi
-  echo "DB_DATABASE is set to: $db_database"
+
+  if [ -z "$uses_default" ]; then
+    echo "DB_DATABASE is set to: $db_database"
+  fi
+
   cp -a "$install_dir/database/$db_database" "$backup_dir/$db_database.backup"
   if [ $? -ne 0 ]; then
     echo "Failed to backup $db_database file, aborting"
@@ -161,14 +168,16 @@ if [ $? -ne 0 ]; then
   exitInstall 1
 fi
 
-echo "Restoring avatars & fonts"
-cp -a "$backup_dir/storage/app/public" "$install_dir/storage/app/"
-if [ $? -ne 0 ]; then
-  echo "Failed to restore avatars & fonts files, aborting"
-  exitInstall 1
+if [ -d "$backup_dir/storage/app/public" ]; then
+  echo "Restoring avatars & fonts"
+  cp -a "$backup_dir/storage/app/public" "$install_dir/storage/app/"
+  if [ $? -ne 0 ]; then
+    echo "Failed to restore avatars & fonts files, aborting"
+    exitInstall 1
+  fi
 fi
 
-if [ "$db_connection" = "sqlite" ]; then
+if [ -f "$backup_dir/$db_database.backup" ]; then
   echo "Restoring sqlite database"
   cp -a "$backup_dir/$db_database.backup" "$install_dir/database/$db_database"
   if [ $? -ne 0 ]; then