From f9e84a378a705dc1225e76bd15a54e85e0de90ac Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Fri, 6 Mar 2026 10:55:35 +0300
Subject: [PATCH] meta4ra-check -plain

---
 cmd/check.go | 36 ++++++++++++++++++++++++++++--------
 1 file changed, 28 insertions(+), 8 deletions(-)

diff --git a/cmd/check.go b/cmd/check.go
index aa180f3..657782b 100644
--- a/cmd/check.go
+++ b/cmd/check.go
@@ -24,12 +24,15 @@ import (
 	"log"
 	"os"
 	"path"
+	"strings"
 	"time"
 
 	meta4ra "go.stargrave.org/meta4ra/internal"
 )
 
 func runCheck() {
+	plain := flag.Bool("plain", false,
+		".meta4 is only a plain hashes list. That implies -pipe")
 	pipe := flag.Bool("pipe", false, "Verify file data from stdin, copy to stdout")
 	progress := flag.Bool("progress", false, "Show progress of piping/downloading")
 	allHashes := flag.Bool("all-hashes", false, "Check all hashes, not the first common one")
@@ -67,18 +70,35 @@ format, then you can just specify an empty ("") FILE.
 		if err != nil {
 			log.Fatal(err)
 		}
-		err = xml.Unmarshal(data, &meta)
-		if err != nil {
-			log.Fatal(err)
+		if *plain {
+			*pipe = true
+			meta.Files = []meta4ra.File{{Name: "-"}}
+			for line := range strings.SplitSeq(string(data), "\n") {
+				cols := strings.Split(line, " ")
+				if len(cols) != 2 {
+					continue
+				}
+				meta.Files[0].Hashes = append(meta.Files[0].Hashes,
+					meta4ra.Hash{Type: cols[0], Hash: cols[1]})
+			}
+		} else {
+			err = xml.Unmarshal(data, &meta)
+			if err != nil {
+				log.Fatal(err)
+			}
 		}
 	}
 
 	toCheck := make(map[string]string)
-	for _, fn := range flag.Args()[1:] {
-		toCheck[path.Base(fn)] = fn
-	}
-	if *pipe && len(toCheck) != 1 {
-		log.Fatal("exactly single FILE must be specified when using -pipe")
+	if *plain {
+		toCheck["-"] = "-"
+	} else {
+		for _, fn := range flag.Args()[1:] {
+			toCheck[path.Base(fn)] = fn
+		}
+		if *pipe && len(toCheck) != 1 {
+			log.Fatal("exactly single FILE must be specified when using -pipe")
+		}
 	}
 
 	bad := false
-- 
2.52.0