Automation for composer authentication at repo.magento.com

Setup script will ask you to instert repo.magento.com username (public_key) and password (private_key). Inserted authentication data will be placed to container's composer config and initial installation performed withuout issues. Also it is possible to save authentication data to host's composer config (optionaly).

compose/magento-2/bin/setup

@@ -19,6 +19,36 @@ bin/copytocontainer --all
 
 bin/clinotty chmod u+x bin/magento
 
+if hash composer 2>/dev/null; then
+    PUBLIC_KEY="$(composer config -gl | grep '\[http-basic.repo.magento.com.username\]' | cut -c40-)"
+    PRIVATE_KEY="$(composer config -gl | grep '\[http-basic.repo.magento.com.password\]' | cut -c40-)"
+fi
+
+if [ -z "$PUBLIC_KEY" ] || [ -z "$PRIVATE_KEY" ]; then
+    exec < /dev/tty
+    echo
+    echo
+    echo "    Authentication required (repo.magento.com, public_key and private_key):"
+    read -p "        Username: " PUBLIC_KEY
+    read -p "        Password: " PRIVATE_KEY
+    echo
+    if [ -n "$PUBLIC_KEY" ] && [ -n "$PRIVATE_KEY" ] && hash composer 2>/dev/null; then
+        read -p "    Add authentication information to host composer config? y/n: " ADD_AUTH
+        echo
+        if [[ $ADD_AUTH =~ ^[Yy]$ ]]; then
+            composer global config http-basic.repo.magento.com $PUBLIC_KEY $PRIVATE_KEY
+        fi
+        ADD_AUTH=''
+    fi
+    exec <&-
+fi
+
+if [ -n "$PUBLIC_KEY" ] && [ -n "$PRIVATE_KEY" ]; then
+    bin/clinotty composer config http-basic.repo.magento.com $PUBLIC_KEY $PRIVATE_KEY
+    PUBLIC_KEY=''
+    PRIVATE_KEY=''
+fi
+
 echo "Forcing reinstall of composer deps to ensure perms & reqs..."
 bin/clinotty composer install