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add -version flag

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This commit is contained in:
sentriz
2019-11-27 15:56:54 +00:00
parent 26b4d5c882
commit 8c1ba0d147
1 changed files with 6 additions and 2 deletions
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8
cmd/gonic/main.go
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@@ -2,6 +2,7 @@ package main
import ( import (
"flag" "flag"
"fmt"
"log" "log"
"os" "os"
"time" "time"
@@ -20,14 +21,13 @@ const (
) )
func main() { func main() {
log.Println("starting gonic")
log.Printf("version %q\n", version.VERSION)
set := flag.NewFlagSet(programName, flag.ExitOnError) set := flag.NewFlagSet(programName, flag.ExitOnError)
listenAddr := set.String("listen-addr", "0.0.0.0:4747", "listen address (optional)") listenAddr := set.String("listen-addr", "0.0.0.0:4747", "listen address (optional)")
musicPath := set.String("music-path", "", "path to music") musicPath := set.String("music-path", "", "path to music")
dbPath := set.String("db-path", "gonic.db", "path to database (optional)") dbPath := set.String("db-path", "gonic.db", "path to database (optional)")
scanInterval := set.Int("scan-interval", 0, "interval (in minutes) to automatically scan music (optional)") scanInterval := set.Int("scan-interval", 0, "interval (in minutes) to automatically scan music (optional)")
_ = set.String("config-path", "", "path to config (optional)") _ = set.String("config-path", "", "path to config (optional)")
showVersion := set.Bool("version", false, "show gonic version")
if err := ff.Parse(set, os.Args[1:], if err := ff.Parse(set, os.Args[1:],
ff.WithConfigFileFlag("config-path"), ff.WithConfigFileFlag("config-path"),
ff.WithConfigFileParser(ff.PlainParser), ff.WithConfigFileParser(ff.PlainParser),
@@ -35,6 +35,10 @@ func main() {
); err != nil { ); err != nil {
log.Fatalf("error parsing args: %v\n", err) log.Fatalf("error parsing args: %v\n", err)
} }
if *showVersion {
fmt.Println(version.VERSION)
os.Exit(0)
}
if _, err := os.Stat(*musicPath); os.IsNotExist(err) { if _, err := os.Stat(*musicPath); os.IsNotExist(err) {
log.Fatal("please provide a valid music directory") log.Fatal("please provide a valid music directory")
} }