diff --git a/versions/2021.12/init/Magic_Castle/bash b/versions/2021.12/init/Magic_Castle/bash
new file mode 100644
index 0000000000..1b11c820be
--- /dev/null
+++ b/versions/2021.12/init/Magic_Castle/bash
@@ -0,0 +1,13 @@
+/cvmfs/pilot.eessi-hpc.org/versions/2021.12/init/print_deprecation_warning.sh
+
+if [ ! -z ${EESSI_FORCE_PILOT} ]; then
+    echo "Setting up the pilot repository, because \$EESSI_FORCE_PILOT is set..."
+    source /cvmfs/pilot.eessi-hpc.org/versions/2021.12/init/Magic_Castle/bash.force
+elif [ ! -d /cvmfs/software.eessi.io/versions/2023.06 ]; then
+    echo "Setting up the pilot repository, because the production repository (software.eessi.io) is not available on your system..."
+    echo "(see https://www.eessi.io/docs/getting_access/is_eessi_accessible/ for more information)"
+    source /cvmfs/pilot.eessi-hpc.org/versions/2021.12/init/Magic_Castle/bash.force
+else
+    echo "Automatically switching to version 2023.06 of the production repository (software.eessi.io)..."
+    source /cvmfs/software.eessi.io/versions/2023.06/init/Magic_Castle/bash
+fi
diff --git a/versions/2021.12/init/bash b/versions/2021.12/init/bash
new file mode 100644
index 0000000000..b91b18edf4
--- /dev/null
+++ b/versions/2021.12/init/bash
@@ -0,0 +1,13 @@
+/cvmfs/pilot.eessi-hpc.org/versions/2021.12/init/print_deprecation_warning.sh
+
+if [ ! -z ${EESSI_FORCE_PILOT} ]; then
+    echo "Setting up the pilot repository, because \$EESSI_FORCE_PILOT is set..."
+    source /cvmfs/pilot.eessi-hpc.org/versions/2021.12/init/bash.force
+elif [ ! -d /cvmfs/software.eessi.io/versions/2023.06 ]; then
+    echo "Setting up the pilot repository, because the production repository (software.eessi.io) is not available on your system..."
+    echo "(see https://www.eessi.io/docs/getting_access/is_eessi_accessible/ for more information)"
+    source /cvmfs/pilot.eessi-hpc.org/versions/2021.12/init/bash.force
+else
+    echo "Automatically switching to version 2023.06 of the production repository (software.eessi.io)..."
+    source /cvmfs/software.eessi.io/versions/2023.06/init/bash
+fi
diff --git a/versions/2021.12/init/print_deprecation_warning.sh b/versions/2021.12/init/print_deprecation_warning.sh
new file mode 100755
index 0000000000..634327c594
--- /dev/null
+++ b/versions/2021.12/init/print_deprecation_warning.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+function echo_yellow_stderr() {
+    echo -e "\e[33m${1}\e[0m" >&2
+}
+
+echo_yellow_stderr
+echo_yellow_stderr "WARNING: the EESSI pilot repository is deprecated and no longer supported."
+echo_yellow_stderr
+echo_yellow_stderr "We strongly recommend to switch to the EESSI production repository (software.eessi.io)."
+echo_yellow_stderr "See https://www.eessi.io/docs/repositories/software.eessi.io/ for more information."
+echo_yellow_stderr
+echo_yellow_stderr "You can find instructions for making the production repository available at:"
+echo_yellow_stderr "https://www.eessi.io/docs/getting_access/is_eessi_accessible/"
+echo_yellow_stderr
+echo_yellow_stderr "If the production repository is available on your system, please run"
+echo_yellow_stderr
+echo_yellow_stderr "    source /cvmfs/software.eessi.io/versions/2023.06/init/bash"
+echo_yellow_stderr
+echo_yellow_stderr "to prepare your environment for using the EESSI production repository."
+echo_yellow_stderr
+echo_yellow_stderr "See also https://eessi.github.io/docs/using_eessi/setting_up_environment."
+echo_yellow_stderr
+echo_yellow_stderr "If you have any questions or if you need any help, please open a support ticket:"
+echo_yellow_stderr "https://www.eessi.io/docs/support"
+echo_yellow_stderr
+echo_yellow_stderr "This script will now try to automatically switch to the production repository,"
+echo_yellow_stderr "unless it's not available or if \$EESSI_FORCE_PILOT is set."
+echo_yellow_stderr
+echo_yellow_stderr
diff --git a/versions/2023.06/init/Magic_Castle/bash b/versions/2023.06/init/Magic_Castle/bash
new file mode 100644
index 0000000000..91620022c1
--- /dev/null
+++ b/versions/2023.06/init/Magic_Castle/bash
@@ -0,0 +1,13 @@
+/cvmfs/pilot.eessi-hpc.org/versions/2023.06/init/print_deprecation_warning.sh
+
+if [ ! -z ${EESSI_FORCE_PILOT} ]; then
+    echo "Setting up the pilot repository, because \$EESSI_FORCE_PILOT is set..."
+    source /cvmfs/pilot.eessi-hpc.org/versions/2023.06/init/Magic_Castle/bash.force
+elif [ ! -d /cvmfs/software.eessi.io/versions/2023.06 ]; then
+    echo "Setting up the pilot repository, because the production repository (software.eessi.io) is not available on your system..."
+    echo "(see https://www.eessi.io/docs/getting_access/is_eessi_accessible/ for more information)"
+    source /cvmfs/pilot.eessi-hpc.org/versions/2023.06/init/Magic_Castle/bash.force
+else
+    echo "Automatically switching to version 2023.06 of the production repository (software.eessi.io)..."
+    source /cvmfs/software.eessi.io/versions/2023.06/init/Magic_Castle/bash
+fi
diff --git a/versions/2023.06/init/bash b/versions/2023.06/init/bash
new file mode 100644
index 0000000000..3d7d4c34e0
--- /dev/null
+++ b/versions/2023.06/init/bash
@@ -0,0 +1,13 @@
+/cvmfs/pilot.eessi-hpc.org/versions/2023.06/init/print_deprecation_warning.sh
+
+if [ ! -z ${EESSI_FORCE_PILOT} ]; then
+    echo "Setting up the pilot repository, because \$EESSI_FORCE_PILOT is set..."
+    source /cvmfs/pilot.eessi-hpc.org/versions/2023.06/init/bash.force
+elif [ ! -d /cvmfs/software.eessi.io/versions/2023.06 ]; then
+    echo "Setting up the pilot repository, because the production repository (software.eessi.io) is not available on your system..."
+    echo "(see https://www.eessi.io/docs/getting_access/is_eessi_accessible/ for more information)"
+    source /cvmfs/pilot.eessi-hpc.org/versions/2023.06/init/bash.force
+else
+    echo "Automatically switching to version 2023.06 of the production repository (software.eessi.io)..."
+    source /cvmfs/software.eessi.io/versions/2023.06/init/bash
+fi
diff --git a/versions/2023.06/init/print_deprecation_warning.sh b/versions/2023.06/init/print_deprecation_warning.sh
new file mode 100755
index 0000000000..634327c594
--- /dev/null
+++ b/versions/2023.06/init/print_deprecation_warning.sh
@@ -0,0 +1,29 @@
+#!/bin/bash
+function echo_yellow_stderr() {
+    echo -e "\e[33m${1}\e[0m" >&2
+}
+
+echo_yellow_stderr
+echo_yellow_stderr "WARNING: the EESSI pilot repository is deprecated and no longer supported."
+echo_yellow_stderr
+echo_yellow_stderr "We strongly recommend to switch to the EESSI production repository (software.eessi.io)."
+echo_yellow_stderr "See https://www.eessi.io/docs/repositories/software.eessi.io/ for more information."
+echo_yellow_stderr
+echo_yellow_stderr "You can find instructions for making the production repository available at:"
+echo_yellow_stderr "https://www.eessi.io/docs/getting_access/is_eessi_accessible/"
+echo_yellow_stderr
+echo_yellow_stderr "If the production repository is available on your system, please run"
+echo_yellow_stderr
+echo_yellow_stderr "    source /cvmfs/software.eessi.io/versions/2023.06/init/bash"
+echo_yellow_stderr
+echo_yellow_stderr "to prepare your environment for using the EESSI production repository."
+echo_yellow_stderr
+echo_yellow_stderr "See also https://eessi.github.io/docs/using_eessi/setting_up_environment."
+echo_yellow_stderr
+echo_yellow_stderr "If you have any questions or if you need any help, please open a support ticket:"
+echo_yellow_stderr "https://www.eessi.io/docs/support"
+echo_yellow_stderr
+echo_yellow_stderr "This script will now try to automatically switch to the production repository,"
+echo_yellow_stderr "unless it's not available or if \$EESSI_FORCE_PILOT is set."
+echo_yellow_stderr
+echo_yellow_stderr