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root cmd gets help subcmd

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This commit is contained in:
bth 2026-01-19 09:34:46 -08:00
commit d404b3d096
1 changed files with 14 additions and 3 deletions
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17
um.go
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@ -17,9 +17,18 @@ const (
next Subcommand = "next" next Subcommand = "next"
last Subcommand = "last" last Subcommand = "last"
sort Subcommand = "sort" sort Subcommand = "sort"
help Subcommand = "help"
) )
var help string = fmt.Sprintf("um [%s | %s | %s | %s] [--help | -h]", tag, next, last, sort) var helpShort string = fmt.Sprintf("um [%s | %s | %s | %s | %s]", tag, next, last, sort, help)
var helpLong string = fmt.Sprintf(`%s
An (U)ltralight database for (M)arkdown composition.
Each subcommand has a --help | -h flag.
https://git.bth.moi/bth/um
`, helpShort)
func main() { func main() {
// NOTE: no prefix at all so that I can use log.Fatalf // NOTE: no prefix at all so that I can use log.Fatalf
@ -28,7 +37,7 @@ func main() {
// TODO: do something useful: // TODO: do something useful:
// run empty tag query? // run empty tag query?
if len(os.Args) < 2 { if len(os.Args) < 2 {
log.Fatalln(help) log.Fatalln(helpShort)
} }
cmd := Subcommand(os.Args[1]) cmd := Subcommand(os.Args[1])
@ -43,8 +52,10 @@ func main() {
tagpkg.Tag(args) tagpkg.Tag(args)
case sort: case sort:
sortpkg.Sort(args) sortpkg.Sort(args)
case help:
log.Fatalln(helpLong)
default: default:
log.Println("um: command not found") log.Println("um: command not found")
log.Fatalln(help) log.Fatalln(helpShort)
} }
} }