2 files changed, 18 insertions(+), 0 deletions(-)

M cmd/moac-pwgen/main.go
M cmd/moac/main.go

@@ 12,6 12,7 @@ import (
 	"git.sr.ht/~seirdy/moac/v2/internal/sanitize"
 	"git.sr.ht/~seirdy/moac/v2/pwgen"
 	"git.sr.ht/~sircmpwn/getopt"
+	"github.com/rivo/uniseg"
 )
 
 const (


@@ 152,6 153,14 @@ func main1() int {
 		return 1
 	}
 
+	graphemes := uniseg.NewGraphemes(strings.Join(args, ""))
+	for graphemes.Next() {
+		if len(graphemes.Runes()) > 1 {
+			fmt.Fprintf(os.Stderr, "warning: charsets contain grapheme clusters, will be treated as distinct codepoints\n")
+			break
+		}
+	}
+
 	pwr.CharsetsWanted = charsets.ParseCharsets(setCharsetNames(args))
 	pw, err := pwgen.GenPW(pwr)
 

@@ 12,6 12,7 @@ import (
 	"git.sr.ht/~seirdy/moac/v2/internal/cli"
 	"git.sr.ht/~sircmpwn/getopt"
 	"golang.org/x/term"
+	"github.com/rivo/uniseg"
 )
 
 const (


@@ 159,6 160,14 @@ func getOutput() (output float64, exitEarly bool, err error) {
 		return output, exitEarly, fmt.Errorf("moac: %w", err)
 	}
 
+	graphemes := uniseg.NewGraphemes(givens.Password)
+	for graphemes.Next() {
+		if len(graphemes.Runes()) > 1 {
+			fmt.Fprintf(os.Stderr, "warning: charsets contain grapheme clusters, will be treated as distinct codepoints\n")
+			break
+		}
+	}
+
 	cmd := strengthCmd
 
 	if len(os.Args) > optind {