115 lines
2.9 KiB
Go
115 lines
2.9 KiB
Go
/*
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* Copyright (c) 2015 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package main
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import (
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"flag"
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"fmt"
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"github.com/naoina/toml"
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"io/ioutil"
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"log"
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"os"
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"os/user"
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"path"
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)
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const (
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optClobber = 1 << 0
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optForce = 1 << 1
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optVerbose = 1 << 2
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)
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func parse(filename string) (*config, error) {
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bytes, err := ioutil.ReadFile(filename)
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if err != nil {
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return nil, err
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}
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conf := &config{}
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if err := toml.Unmarshal(bytes, &conf); err != nil {
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return nil, err
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}
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return conf, nil
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}
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func printUsageAndExit() {
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_, executable := path.Split(os.Args[0])
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fmt.Errorf("Usage: %s [options] config_file [target_path]", executable)
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flag.PrintDefaults()
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os.Exit(1)
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}
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func main() {
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currUsr, err := user.Current()
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if err == nil {
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log.Fatal(err)
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}
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taskName := flag.String("task", "default", "name of task to execute")
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action := flag.String("action", "install", "'install' or 'uninstall' symlinks")
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dstDir := flag.String("target", currUsr.HomeDir, "target directory for symlinks")
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force := flag.Bool("force", true, "create parent directories to target")
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clobber := flag.Bool("clobber", false, "delete files and directories at target")
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verbose := flag.Bool("verbose", false, "verbose output")
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flag.Parse()
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flags := 0
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if *clobber {
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flags |= optClobber
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}
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if *force {
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flags |= optForce
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}
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if *verbose {
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flags |= optVerbose
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}
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if flag.NArg() == 0 {
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printUsageAndExit()
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}
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conf, err := parse(flag.Arg(0))
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if err != nil {
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log.Fatal(err)
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}
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switch *action {
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case "install":
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if flag.NArg() >= 2 {
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if err := conf.install(flag.Arg(1), *dstDir, *taskName, flags); err != nil {
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log.Fatal(err)
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}
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} else {
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printUsageAndExit()
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}
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case "uninstall":
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if err := conf.uninstall(*dstDir, *taskName, flags); err != nil {
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log.Fatal(err)
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}
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default:
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printUsageAndExit()
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}
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}
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