mirror of
https://github.com/token2/snapd.git
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81 lines
1.8 KiB
Go
81 lines
1.8 KiB
Go
// -*- Mode: Go; indent-tabs-mode: t -*-
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/*
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* Copyright (C) 2019 Canonical Ltd
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 3 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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package main
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import (
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"fmt"
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"os"
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"github.com/jessevdk/go-flags"
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"github.com/snapcore/snapd/logger"
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)
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var (
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shortHelp = "Bootstrap a Ubuntu Core system"
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longHelp = `
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snap-bootstrap is a tool to bootstrap Ubuntu Core from ephemeral systems
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such as initramfs.
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`
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opts struct{}
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commandBuilders []func(*flags.Parser)
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)
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func main() {
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err := run(os.Args[1:])
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if err != nil {
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fmt.Fprintf(os.Stderr, "error: %s\n", err)
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os.Exit(1)
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}
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}
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func run(args []string) error {
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if os.Getuid() != 0 {
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return fmt.Errorf("please run as root")
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}
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logger.BootSetup()
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return parseArgs(args)
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}
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func parseArgs(args []string) error {
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p := parser()
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_, err := p.ParseArgs(args)
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if err != nil {
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logger.Noticef("execution error: %v", err)
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}
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return err
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}
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func parser() *flags.Parser {
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p := flags.NewParser(&opts, flags.HelpFlag|flags.PassDoubleDash|flags.PassAfterNonOption)
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p.ShortDescription = shortHelp
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p.LongDescription = longHelp
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for _, builder := range commandBuilders {
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builder(p)
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}
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return p
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}
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func addCommandBuilder(builder func(*flags.Parser)) {
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commandBuilders = append(commandBuilders, builder)
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}
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