config.sh

variables="\                                                
YNH_CONFIG_FIRST_TAB_SECOND_SECTION_FIRST_OPTION            
YNH_CONFIG_SECOND_TAB_POUET_FIRST_OPTION                    
YNH_CONFIG_SECOND_TAB_PASSWOWORD_FIRST_OPTION               
YNH_CONFIG_SECOND_TAB_POUET_SECOND_OPTION                   
YNH_CONFIG_FIRST_TAB_FIRST_SECTION_FIRST_OPTION             
YNH_CONFIG_FIRST_TAB_FIRST_SECTION_SECOND_OPTION\           
"                                                           
                                                            
config_path=/etc/yunohost/apps/${YNH_APP_ID}/stupid_config/ 
                                                            
mkdir -p "$config_path"                                     
                                                            
show_config(){                                              
    for i in $variables                                     
    do                                                      
        if [ -e "$config_path"/"$i" ]                       
        then                                                
            echo "$i=$(cat "$config_path"/"$i")"            
        fi                                                  
    done                                                    
}                                                           
                                                            
apply_config() {                                            
    for i in $variables                                     
    do                                                      
        echo "${!i}" > "$config_path"/"$i"                  
    done                                                    
}                                                           
                                                            
case $1 in                                                  
  show) show_config;;                                       
  apply) apply_config;;                                     
esac                                                        

config_panel.toml

version = "0.1"                                                  
name = "Example config panel"                                    
                                                                 
[first_tab]                                                      
name = "First tab configuration"                                 
                                                                 
    [first_tab.first_section]                                    
    name = "First section of first tab with only booleans"       
                                                                 
        [first_tab.first_section.first_option]                   
        ask = "This is the first option, a boolean one"          
        type = "boolean"                                         
        default = true                                           
        help="some help"                                         
                                                                 
        [first_tab.first_section.second_option]                  
        ask = "This is the second option, a boolean one"         
        type = "boolean"                                         
        default = false                                          
                                                                 
    [first_tab.second_section]                                   
    name = "Second section of first tab, with choices"           
                                                                 
        [first_tab.second_section.first_option]                  
        ask = "This is the first option, a choice one"           
        default = "pouet"                                        
        choices = ["pouet", "plip", "plop"]                      
                                                                 
[second_tab]                                                     
name = "Second tab configuration"                                
                                                                 
    [second_tab.pouet]                                           
    name = "First section of second tab, with text fields"       
                                                                 
        [second_tab.pouet.first_option]                          
        ask = "This is the first option, a text one"             
        default = "some default"                                 
                                                                 
        [second_tab.pouet.second_option]                         
        ask = "This is the second option, a text one"            
        optional = true                                          
                                                                 
    [second_tab.passwoword]                                      
    name = "Second tab with password"                            
                                                                 
        [second_tab.passwoword.first_option]                     
        ask = "This is the first option, a password"             
        type = "password"                                        
                                                                 
        [second_tab.passwoword.second_option]                    
        ask = "This is the first option, a password"             
        type = "domain"                                          
                                                                 
        [second_tab.passwoword.user]                             
        ask = "This is a user choice"                            
        type = "user"