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flags : more common help functions, but redefining the subcmds in each package is probably wrong, esp. since last had to be deduped

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This commit is contained in:
bth 2026-01-20 13:10:47 -08:00
commit 77e3e23446
5 changed files with 31 additions and 14 deletions
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14
next/next.go
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@ -10,6 +10,8 @@ import (
"github.com/brtholomy/um/go/flags"
)
const cmd = "next"
type options struct {
Descriptor flags.Arg
Tags flags.Arg
@ -33,10 +35,10 @@ func parseArgs(args []string) options {
case i == 1 && !flags.HasDashPrefix(arg):
opts.Tags.Val = arg
case arg == opts.Help.Long || arg == opts.Help.Short:
flags.Help("next", opts)
flags.Help(cmd, opts)
default:
log.Printf("um next: invalid argument: %s", arg)
flags.Help("next", opts)
flags.HelpInvalidArg(cmd, arg)
flags.Help(cmd, opts)
}
}
return opts
@ -107,13 +109,13 @@ func Next(args []string) {
opts := parseArgs(args)
l, err := last()
if err != nil {
log.Fatalf("um next: %v", err)
log.Fatalf("um %s: %v", cmd, err)
}
filename, err := next(l, opts.Descriptor.Val)
if err != nil {
log.Fatalf("um next: %v", err)
log.Fatalf("um %s: %v", cmd, err)
}
if err := emacsNext(filename, opts.Tags.Val); err != nil {
log.Fatalf("um next: %v", err)
log.Fatalf("um %s: %v", cmd, err)
}
}