X-Git-Url: http://www.git.cypherpunks.ru/?a=blobdiff_plain;f=dot.go;h=19994ded165d8162e23e6c5ab467a92d21765e3a;hb=HEAD;hp=0ea2b4ae13fcffb9bd1fc858a329eadb216b8070;hpb=af40222f5a3e6fa82207f7ba31c338eb44566ba3;p=goredo.git

diff --git a/dot.go b/dot.go
index 0ea2b4a..19994de 100644
--- a/dot.go
+++ b/dot.go
@@ -1,32 +1,26 @@
-/*
-goredo -- djb's redo implementation on pure Go
-Copyright (C) 2020-2023 Sergey Matveev <stargrave@stargrave.org>
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, version 3 of the License.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
+// goredo -- djb's redo implementation on pure Go
+// Copyright (C) 2020-2024 Sergey Matveev <stargrave@stargrave.org>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, version 3 of the License.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 // Dependency DOT graph generation
 
 package main
 
 import (
-	"errors"
 	"fmt"
-	"io"
 	"os"
 	"path"
-
-	"go.cypherpunks.ru/recfile"
 )
 
 type DotNodes struct {
@@ -35,26 +29,34 @@ type DotNodes struct {
 }
 
 func dotWalker(data map[DotNodes]bool, tgt *Tgt) (map[DotNodes]bool, error) {
-	fdDep, err := os.Open(tgt.Dep())
+	raw, err := os.ReadFile(tgt.dep)
 	if err != nil {
 		return nil, ErrLine(err)
 	}
-	defer fdDep.Close()
+	_, raw, err = depHeadParse(raw)
+	if err != nil {
+		return nil, ErrLine(err)
+	}
+	var typ byte
+	var name string
 	var dep *Tgt
-	r := recfile.NewReader(fdDep)
-	for {
-		m, err := r.NextMap()
+	var chunk []byte
+	tgtH, _ := pathSplit(tgt.a)
+	for len(raw) > 0 {
+		typ, chunk, raw, err = chunkRead(raw)
 		if err != nil {
-			if errors.Is(err, io.EOF) {
-				break
-			}
 			return nil, ErrLine(err)
 		}
-		switch m["Type"] {
+		switch typ {
 		case DepTypeIfcreate:
-			data[DotNodes{tgt.rel, NewTgt(string(chunk)).rel}] = true
-		case DepTypeIfchange:
-			dep = NewTgt(path.Join(tgt.h, m["Target"]))
+			data[DotNodes{tgt.rel, NewTgt(path.Join(tgtH, string(chunk))).rel}] = true
+		case DepTypeIfchange, DepTypeIfchangeNonex:
+			if typ == DepTypeIfchangeNonex {
+				name = string(chunk)
+			} else {
+				name = string(chunk[InodeLen+HashLen:])
+			}
+			dep = NewTgt(path.Join(tgtH, name))
 			if dep.a == tgt.a {
 				continue
 			}