X-Git-Url: http://www.git.cypherpunks.ru/?p=goredo.git;a=blobdiff_plain;f=dep.go;h=38d8bb79c200ede2acedeb9ce357fe313211d7c2;hp=e6663e65fb7afaa64dac6f435a6b633d70ff9625;hb=14398260feaf14dac68b9bdb1c810ccba7d1e768;hpb=f8a8a335216a6ec9aa6119d473d2f6aeb43958ca

diff --git a/dep.go b/dep.go
index e6663e6..38d8bb7 100644
--- a/dep.go
+++ b/dep.go
@@ -1,6 +1,6 @@
 /*
 goredo -- redo implementation on pure Go
-Copyright (C) 2020 Sergey Matveev <stargrave@stargrave.org>
+Copyright (C) 2020-2021 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
@@ -28,10 +28,10 @@ import (
 	"os"
 	"path"
 	"strings"
-	"syscall"
 
 	"go.cypherpunks.ru/recfile"
 	"golang.org/x/crypto/blake2b"
+	"golang.org/x/sys/unix"
 )
 
 func recfileWrite(fdDep *os.File, fields ...recfile.Field) error {
@@ -74,12 +74,11 @@ func stamp(fdDep, src *os.File) error {
 }
 
 func fileCtime(fd *os.File) (string, error) {
-	fi, err := fd.Stat()
-	if err != nil {
+	var stat unix.Stat_t
+	if err := unix.Fstat(int(fd.Fd()), &stat); err != nil {
 		return "", err
 	}
-	stat := fi.Sys().(*syscall.Stat_t)
-	sec, nsec := stat.Ctimespec.Unix()
+	sec, nsec := stat.Ctim.Unix()
 	return fmt.Sprintf("%d.%d", sec, nsec), nil
 }
 
@@ -101,6 +100,13 @@ func writeDep(fdDep *os.File, cwd, tgt string) error {
 		return err
 	}
 	defer fd.Close()
+	fi, err := fd.Stat()
+	if err != nil {
+		return err
+	}
+	if fi.IsDir() {
+		return nil
+	}
 	ts, err := fileCtime(fd)
 	if err != nil {
 		return err