Cause>>

                                                                                                                                         
                   MX linux 23.3(Debian 12.5 “bookworm” base) return sysv-init as lowercase with dash                                   
                   which cause install script fails with sysv-init_REQUIRE[@]: invalid variable name                                     
                                                                                                                                        

ERROR>>

                 https://www.gnu.org/software/guix/                                                                                      
                 This script installs GNU Guix on your system                                                                            
                 To uninstall, pass in the '--uninstall' parameter.                                                                      
                 Press return to continue...                                                                                             
                 [1718953785.295]: Starting installation (Fri Jun 21 01:39:45 PM +0630 2024)                                             
                 [1718953785.306]: [ INFO ] init system is: sysv-init                                                                    
                 ./guix-install.sh: line 164: sysv-init_REQUIRE[@]: invalid variable name                                               

Fix Patch >> Convert sysv-init to SYSV_INIT_REQUIRE to match with variable name

                   --- guix-install.sh     2024-06-21 15:22:03.000000000 +0630                                                           
                   +++ guix-install-patched.sh     2024-06-21 16:09:17.454668652 +0630                                                   
                   @@ -157,7 +157,9 @@                                                                                                   
                                                                                                                                         
                   add_init_sys_require()                                                                                                
                   { # Add the elements of FOO_INIT_SYS to REQUIRE                                                                       
                       -    local init_require="${INIT_SYS}_REQUIRE[@]"                                                                  
                       +    # Convert INIT_SYS return string to uppercase and replace dash with underscore                               
                       +    local init_require="${INIT_SYS^^}_REQUIRE[@]"                                                                
                       +    init_require="${init_require//-/_}"                                                                          
                       if [[ ! -z "$init_require" ]]; then                                                                               
                           # Have to add piecemeal because ${!foo[@]} performs direct array key                                          
                           # expansion, not indirect plain array expansion.