User password can be given on cli for automatic user creation.

utils/authd-user-add.cr

@@ -8,6 +8,7 @@ profile_file : String? = nil
 register = false
 email = nil
 phone = nil
+password : String? = nil
 
 OptionParser.parse do |parser|
 	parser.unknown_args do |args|
@@ -24,6 +25,10 @@ OptionParser.parse do |parser|
 		profile_file = file
 	end
 
+	parser.on "-X user-password", "--user-password pass", "Read the new user password." do |pass|
+		password = pass
+	end
+
 	parser.on "-K file", "--key-file file", "Read the authd shared key from a file." do |file|
 		key_file = file
 	end
@@ -55,13 +60,15 @@ profile = profile_file.try do |file|
 	end
 end
 
-STDOUT << "password: "
-STDOUT << `stty -echo`
-STDOUT.flush
-password = STDIN.gets.try &.chomp
+if password.nil?
+	STDOUT << "password: "
+	STDOUT << `stty -echo`
+	STDOUT.flush
+	password = STDIN.gets.try &.chomp
 
-STDOUT << '\n'
-STDOUT << `stty echo`
+	STDOUT << '\n'
+	STDOUT << `stty echo`
+end
 
 exit 1 unless password
 
@@ -72,13 +79,13 @@ phone = nil if phone == ""
 
 begin
 	if register
-		pp! authd.register login, password, email, phone, profile: profile
+		pp! authd.register login, password.not_nil!, email, phone, profile: profile
 	else
 		key_file.try do |file| # FIXME: fail if missing?
 			authd.key = File.read(file).chomp
 		end
 
-		pp! authd.add_user login, password, email, phone, profile: profile
+		pp! authd.add_user login, password.not_nil!, email, phone, profile: profile
 	end
 rescue e : AuthD::Exception
 	puts "error: #{e.message}"