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Using the actual invoked command for help messages

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Signed-off-by: Lorenzo Fontana <lo@linux.com>
This commit is contained in:
Lorenzo Fontana
2017-04-26 23:51:55 +02:00
parent 1cd201aac5
commit b28eab3912
8 changed files with 29 additions and 12 deletions
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4
src/cmd/linuxkit/run_gcp.go
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@@ -4,6 +4,7 @@ import (
"flag"
"fmt"
"os"
"path/filepath"
log "github.com/Sirupsen/logrus"
)
@@ -27,8 +28,9 @@ const (
// Process the run arguments and execute run
func runGcp(args []string) {
gcpCmd := flag.NewFlagSet("gcp", flag.ExitOnError)
invoked := filepath.Base(os.Args[0])
gcpCmd.Usage = func() {
fmt.Printf("USAGE: %s run gcp [options] [name]\n\n", os.Args[0])
fmt.Printf("USAGE: %s run gcp [options] [name]\n\n", invoked)
fmt.Printf("'name' specifies either the name of an already uploaded\n")
fmt.Printf("GCP image or the full path to a image file which will be\n")
fmt.Printf("uploaded before it is run.\n\n")