/
main.go
75 lines (60 loc) · 1.38 KB
/
main.go
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package main
import (
"context"
"flag"
"os"
"os/signal"
"syscall"
"github.com/genuinetools/pkg/cli"
"github.com/jessfraz/battery/version"
"github.com/sirupsen/logrus"
)
var (
name string
debug bool
)
func main() {
// Create a new cli program.
p := cli.NewProgram()
p.Name = "battery"
p.Description = "Linux battery status checker"
// Set the GitCommit and Version.
p.GitCommit = version.GITCOMMIT
p.Version = version.VERSION
// Setup the global flags.
p.FlagSet = flag.NewFlagSet("global", flag.ExitOnError)
p.FlagSet.StringVar(&name, "name", "BAT0", "name of your battery")
p.FlagSet.BoolVar(&debug, "d", false, "enable debug logging")
// Set the before function.
p.Before = func(ctx context.Context) error {
// Set the log level.
if debug {
logrus.SetLevel(logrus.DebugLevel)
}
return nil
}
// Set the main program action.
p.Action = func(ctx context.Context, args []string) error {
// On ^C, or SIGTERM handle exit.
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt)
signal.Notify(c, syscall.SIGTERM)
go func() {
for sig := range c {
logrus.Infof("Received %s, exiting.", sig.String())
os.Exit(0)
}
}()
battery, err := New(name)
if err != nil {
logrus.Fatal(err)
}
if err := battery.GetStatus(); err != nil {
logrus.Fatal(err)
}
logrus.Infoln(battery.String())
return nil
}
// Run our program.
p.Run()
}