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Viewing changes to main.go

  • Committer: Kyle Fazzari
  • Date: 2015-10-29 19:47:19 UTC
  • Revision ID: kyle@canonical.com-20151029194719-u66rrs8cg8atib2l
Add code necessary to wrap Snappy install/uninstall process and generate .desktop files.

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main.go
 
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package main
 
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import (
 
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        "fmt"
 
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        "launchpad.net/crackly/operations"
 
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        "log"
 
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        "os"
 
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)
 
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func main() {
 
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        arguments := os.Args[1:]
 
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        if len(arguments) != 2 {
 
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                printUsageAndExit("Invalid number of arguments!")
 
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        }
 
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        switch arguments[0] {
 
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        case "install":
 
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                err := operations.Install(arguments[1])
 
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                if err != nil {
 
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                        log.Fatalf(`Unable to install "%s": %s`, arguments[1], err)
 
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                }
 
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        case "remove":
 
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                err := operations.Remove(arguments[1])
 
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                if err != nil {
 
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                        log.Fatalf(`Unable to remove "%s": %s`, arguments[1], err)
 
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                }
 
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        default:
 
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                printUsageAndExit("Unsupported action: %s", arguments[0])
 
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        }
 
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}
 
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func printUsageAndExit(format string, a ...interface{}) {
 
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        fmt.Printf(format, a...)
 
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        fmt.Println("\n")
 
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        printUsage()
 
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        os.Exit(1)
 
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}
 
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func printUsage() {
 
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        fmt.Println("Usage:")
 
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        fmt.Printf("%s install <snap>\n", os.Args[0])
 
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}