setup-apkrepos: add option to just add random mirror and don't prompt anymore

setup-apkrepos.in

@@ -120,6 +120,28 @@ edit_repositories() {
 	test "$(md5sum $APKREPOS_PATH)" != "$md5"
 }
 
+usage() {
+	cat <<__EOF__
+usage: setup-apkrepos [-hr]
+
+Setup apk repositories
+
+options:
+ -h  Show this help
+ -r  Add a random mirror and do not prompt
+__EOF__
+	exit 1
+
+}
+
+while getopts "hr" opt; do
+        case $opt in
+                h) usage;;
+                r) JUSTADDRANDOM=1;;
+        esac
+done
+
+
 # main
 # install alpine-mirrors if its not already there
 to_uninstall=
@@ -143,10 +165,16 @@ if [ -r "$APKREPOS_PATH" ]; then
 	APKREPOS=`cat "$APKREPOS_PATH"`
 fi
 
+
+
 get_alpine_release
 default_answer=f
 changed=
 while true; do
+	if [ -n "$JUSTADDRANDOM" ]; then
+		show_mirror_list > /dev/null
+		add_random_mirror && changed=1 && break
+	else
 		show_mirror_list
 		prompt_setup_method $default_answer
 	
@@ -162,6 +190,7 @@ while true; do
 		if [ -n "$changed" ]; then
 			default_answer="done"
 		fi
+	fi
 done
 
 if [ -n "$changed" ]; then