text that turns binary further on has no content, like an image

1 files changed, 4 insertions, 2 deletions

diff --git a/internal/extract/plain.go b/internal/extract/plain.go
index f7470be..3f04c7e 100644
--- a/internal/extract/plain.go
+++ b/internal/extract/plain.go
@@ -38,7 +38,9 @@ func readDecoded(path string) (string, error) {
 // the sample alone (UTF-16 text is full of NUL bytes by design), but a
 // sample that merely looks like UTF-8 must hold for the WHOLE file — no
 // NUL byte anywhere, and no invalid UTF-8 anywhere past the sample — or
-// the file is ErrMixed, unreadable; the Latin-1 fallback in decode
+// the file is ErrUnsupported after all (a self-extracting installer has no
+// text in krino's sense, Łukasz's decision after the plan 10 re-check); the
+// Latin-1 fallback in decode
 // never applies to a sniffed file, only to a file whose extension already
 // names it as text. D2: when the file continues past the sample (n ==
 // sniffSize), the validity check is run against a trimmed copy with any
@@ -81,7 +83,7 @@ func sniffText(path string) (string, error) {
 		return decode(data), nil
 	}
 	if !utf8.Valid(data) || bytes.Contains(data, []byte{0}) {
-		return "", ErrMixed
+		return "", ErrUnsupported
 	}
 	return decode(data), nil
 }