V8.00.000.2025.06.17

Signed-off-by: Marc S. Weidner <msw@coresecret.dev>

ciss_debian_installer.sh

@@ -30,7 +30,7 @@ declare -grx VAR_SETUP_PATH="$(cd "$(dirname "${0}")" && pwd)"          # '/opt/
 declare -grx VAR_SETUP_FULL="$(cd "$(dirname "${0}")" && pwd)/${0##*/}" # '/opt/git/CISS.debian.installer/setup.sh'
 
 ### PRELIMINARY CHECKS.
-  ### No ash, dash, ksh, sh, zsh.
+  ### No ash, dash, ksh, sh.
   # shellcheck disable=2292
   [ -z "${BASH_VERSINFO[0]}" ] && {
     . ./meta_loader_early.sh
@@ -38,6 +38,13 @@ declare -grx VAR_SETUP_FULL="$(cd "$(dirname "${0}")" && pwd)/${0##*/}" # '/opt/
     exit "${ERR_UNSUPPORTED_BASH}"
     }
 
+  ### No zsh.
+  [[ -n "${ZSH_VERSION:-}" ]] && {
+    . ./meta_loader_early.sh
+    printf "%b❌ Please make sure you are using 'bash'! Bye... %b%b" "${RED}" "${RES}" "${NL}" >&2
+    exit "${ERR_UNSUPPORTED_BASH}"
+    }
+
   ### Not root.
   [[ ${EUID} -ne 0 ]] && {
     . ./meta_loader_early.sh
@@ -87,8 +94,8 @@ for arg in "$@"; do case "${arg,,}" in -h|--help)    . ./meta_loader_cuv.sh; usa
 for arg in "$@"; do case "${arg,,}" in -v|--version) . ./meta_loader_cuv.sh; version; exit 0;; esac; done
 
 ### SOURCING MUST SET EARLY VARIABLES. SOURCING COLOR_ECHO() AND GUARD_SOURCING().
-. ./lib/0010_guard_sourcing.sh
-. ./lib/0010_source_guard.sh
+. ./lib/0010_guard_sourcing.sh           # The function guard_sourcing MUST be present in each file to source.
+. ./lib/0010_source_guard.sh             # Wrapper for sourcing modules, libraries, variables.
 source_guard "./var/color.var.sh"
 source_guard "./var/early.var.sh"
 source_guard "./lib/0004_color_echo.sh"