Cockpit: default to Debian 13, 45Drives now ships Trixie packages | little refactor (#15984)

install/cockpit-install.sh

@@ -15,42 +15,33 @@ network_check
 update_os
 
 msg_info "Installing Cockpit"
-source /etc/os-release
+CODENAME=$(get_os_info codename)
 cat <<EOF >/etc/apt/sources.list.d/debian-backports.sources
 Types: deb deb-src
 URIs: http://deb.debian.org/debian
-Suites: ${VERSION_CODENAME}-backports
+Suites: ${CODENAME}-backports
 Components: main
 Enabled: yes
 Signed-By: /usr/share/keyrings/debian-archive-keyring.gpg
 EOF
 
 $STD apt update
-$STD apt install -t ${VERSION_CODENAME}-backports cockpit cracklib-runtime --no-install-recommends -y
+$STD apt install -t ${CODENAME}-backports cockpit cracklib-runtime --no-install-recommends -y
 sed -i "s/root//g" /etc/cockpit/disallowed-users
 msg_ok "Installed Cockpit"
 
 # 45Drives only publishes amd64 packages
 [[ "$(arch_resolve)" == "arm64" ]] || read -r -p "Would you like to install 45Drives' cockpit-file-sharing, cockpit-identities, and cockpit-navigator  <y/N> " prompt
 if [[ "${prompt,,}" =~ ^(y|yes)$ ]]; then
-  install_45drives=true
-  if [[ "${VERSION_ID}" -ge 13 ]]; then
-    read -r -p "Debian ${VERSION_ID} is not officially supported by 45Drives yet, would you like to continue anyway? <y/N> " prompt
-    if [[ ! "${prompt,,}" =~ ^(y|yes)$ ]]; then
-      install_45drives=false
-    fi
-  fi
-  if [[ "$install_45drives" == "true" ]]; then
-    msg_info "Installing 45Drives' cockpit extensions"
-    setup_deb822_repo "45drives" \
-      "https://repo.45drives.com/key/gpg.asc" \
-      "https://repo.45drives.com/enterprise/debian" \
-      "bookworm" \
-      "main" \
-      "amd64"
-    $STD apt install -y cockpit-file-sharing cockpit-identities cockpit-navigator
-    msg_ok "Installed 45Drives' cockpit extensions"
-  fi
+  msg_info "Installing 45Drives' cockpit extensions"
+  setup_deb822_repo "45drives" \
+    "https://repo.45drives.com/key/gpg.asc" \
+    "https://repo.45drives.com/enterprise/debian" \
+    "${CODENAME}" \
+    "main" \
+    "amd64"
+  $STD apt install -y cockpit-file-sharing cockpit-identities cockpit-navigator
+  msg_ok "Installed 45Drives' cockpit extensions"
 fi
 
 motd_ssh