Stas Zhuk
--- a/project_template/launch-drupal-cms.sh
+++ b/project_template/launch-drupal-cms.sh
+# Check if DDEV is installed.
+if ! command -v ddev >/dev/null 2>&1; then
  echo "DDEV needs to be installed. Visit https://ddev.com/get-started for instructions."
  exit 1
 fi

-NAME=$(basename $PWD)
-# If there are any other DDEV projects in this system with this name, add a numeric suffix.
-declare -i n=$(ddev list | grep --count "$NAME")
-if [ $n > 0 ]; then
-  NAME=$NAME-$(expr $n + 1)
+# Check if DDEV meets the required version constraint.
+if ! ddev debug match-constraint 2>&1 | grep -q match-constraint || ! ddev debug match-constraint "$DDEV_VERSION_CONSTRAINT" >/dev/null 2>&1; then
+  echo "Your DDEV version doesn't meet the constraint '$DDEV_VERSION_CONSTRAINT'. Please update to a DDEV version that meets this constraint."
+  exit 1
+fi
--- a/project_template/launch-drupal-cms.sh
+++ b/project_template/launch-drupal-cms.sh
+    if ! ddev describe "$NAME" >/dev/null 2>&1; then
+      break
+    fi
+    NAME="$ORIGINAL_NAME-$SUFFIX"
+  done
+  # Configure the new DDEV project.
+  ddev config --project-type=drupal11 --docroot=web --php-version=8.3 --ddev-version-constraint="$DDEV_VERSION_CONSTRAINT" --project-name="$NAME"
+fi
+
+CURRENT_DIR="$PWD"
+# Change directory to the project root.
+cd "$(DDEV_VERBOSE=false DDEV_DEBUG=false ddev debug cd "" --get-approot)"
+
+if [ "$PWD" != "$CURRENT_DIR" ]; then
+  echo "You're trying to set up a Drupal CMS inside an existing project in $PWD, refusing to do it."
+  exit 1