#!/bin/bash
# デフォルトは /bin/sh だが /bin/bash にしておく

INSTALL_PLUGINS="ExamplePlugin,Example2Plugin"

## split comma separated string into array
if [ -z ${INSTALL_PLUGINS} ]; then
    declare -a plugins=()
else
    plugins=(${INSTALL_PLUGINS//,/ })
fi

# get length of an array
arraylength=${#plugins[@]}

# use for loop to read all values and indexes
for (( i=0; i<${arraylength}; i++ ));
do
    echo "-----START: Install ${plugins[$i]} plugin -----";
    bin/console eccube:composer:require ec-cube/${plugins[$i],,} --from=plugin_repos/${plugins[$i]}
    # Uncomment in production environment
    # composer config repositories.plugin_repos${plugins[$i],,} '{"type":"path","url":"./plugin_repos/'${plugins[$i]}'", "options": { "symlink": false }}'
    bin/console eccube:plugin:install --code=${plugins[$i]} --if-not-exists
    bin/console eccube:plugin:enable --code=${plugins[$i]}
    echo "-----END: Install ${plugins[$i]} plugin -----";
done

"allow-plugins": {
            "composer/*": true,
            "kylekatarnls/update-helper": true,
            "ec-cube/plugin-installer": true,
            "symfony/flex": true
        }

12.10 In PluginInstaller.php line 48:
12.10                                                                                
12.10   You can not install the EC-CUBE plugin via `composer` command.               
12.10   Please use the `bin/console eccube:composer:require ec-cube/coupon42` inste  
12.10   ad.