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move flags to FlagSet

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This commit is contained in:
Bradley Cicenas
2018-12-02 12:50:49 +00:00
parent 523d6c7277
commit ae62c388bc
1 changed files with 14 additions and 15 deletions
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29
main.go
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@@ -29,25 +29,24 @@ var (
status *widgets.StatusLine status *widgets.StatusLine
versionStr = fmt.Sprintf("ctop version %v, build %v %v", version, build, goVersion) versionStr = fmt.Sprintf("ctop version %v, build %v %v", version, build, goVersion)
fs = flag.NewFlagSet("ctop", flag.ExitOnError)
versionFlag = fs.Bool("version", false, "output version information and exit")
helpFlag = fs.Bool("h", false, "display this help dialog")
filterFlag = fs.String("f", "", "filter containers")
activeOnlyFlag = fs.Bool("a", false, "show active containers only")
sortFieldFlag = fs.String("s", "", "select container sort field")
reverseSortFlag = fs.Bool("r", false, "reverse container sort order")
invertFlag = fs.Bool("i", false, "invert default colors")
scaleCpu = fs.Bool("scale-cpu", false, "show cpu as % of system total")
connectorFlag = fs.String("connector", "docker", "container connector to use")
namespaceFlag = fs.String("n", "default", "Kubernetes namespace for monitoring")
) )
func main() { func main() {
defer panicExit() defer panicExit()
// parse command line arguments fs.Parse(os.Args[1:])
var (
versionFlag = flag.Bool("version", false, "output version information and exit")
helpFlag = flag.Bool("h", false, "display this help dialog")
filterFlag = flag.String("f", "", "filter containers")
activeOnlyFlag = flag.Bool("a", false, "show active containers only")
sortFieldFlag = flag.String("s", "", "select container sort field")
reverseSortFlag = flag.Bool("r", false, "reverse container sort order")
invertFlag = flag.Bool("i", false, "invert default colors")
scaleCpu = flag.Bool("scale-cpu", false, "show cpu as % of system total")
connectorFlag = flag.String("connector", "docker", "container connector to use")
namespaceFlag = flag.String("n", "default", "Kubernetes namespace for monitoring")
)
flag.Parse()
if *versionFlag { if *versionFlag {
fmt.Println(versionStr) fmt.Println(versionStr)
@@ -151,7 +150,7 @@ options:
func printHelp() { func printHelp() {
fmt.Println(helpMsg) fmt.Println(helpMsg)
flag.PrintDefaults() fs.PrintDefaults()
fmt.Printf("\navailable connectors: ") fmt.Printf("\navailable connectors: ")
fmt.Println(strings.Join(connector.Enabled(), ", ")) fmt.Println(strings.Join(connector.Enabled(), ", "))
} }