From 46a314c40c6cd4220c2fc24268008dd11a9110e4 Mon Sep 17 00:00:00 2001 From: Stefan Majewsky Date: Mon, 10 Jul 2017 21:41:47 +0200 Subject: sketch out first steps of prettyprompt.go --- pkg/prompt/main.go | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 pkg/prompt/main.go (limited to 'pkg/prompt/main.go') diff --git a/pkg/prompt/main.go b/pkg/prompt/main.go new file mode 100644 index 0000000..6b4764a --- /dev/null +++ b/pkg/prompt/main.go @@ -0,0 +1,46 @@ +/******************************************************************************* +* +* Copyright 2017 Stefan Majewsky +* +* This program is free software: you can redistribute it and/or modify it under +* the terms of the GNU General Public License as published by the Free Software +* Foundation, either version 3 of the License, or (at your option) any later +* version. +* +* This program is distributed in the hope that it will be useful, but WITHOUT ANY +* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR +* A PARTICULAR PURPOSE. See the GNU General Public License for more details. +* +* You should have received a copy of the GNU General Public License along with +* this program. If not, see . +* +*******************************************************************************/ + +package prompt + +import "os" + +//Exec executes the prettyprompt applet and returns an exit code (0 for +//success, >0 for error). +func Exec() int { + var buf LineBuffer + addLogin(&buf) + + os.Stdout.Write(buf.Bytes()) + os.Stdout.Write([]byte("\n")) + return 0 +} + +func getenvOrDefault(key, defaultValue string) (value string) { + value = os.Getenv(key) + if value == "" { + value = defaultValue + } + return +} + +func handleError(err error) { + if err != nil { + os.Stderr.Write([]byte("\x1B[1;31mPrompt error: " + err.Error() + "\x1B[0m\n")) + } +} -- cgit v1.3.1