go.mod: github.com/containerd/fifo v1.0.0

full diff: https://github.com/containerd/fifo/compare/115abcc95a1d...v1.0.0

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor/github.com/containerd/fifo/.gitattributes

@@ -0,0 +1 @@
+*.go text eol=lf

vendor/github.com/containerd/fifo/errors.go

@@ -16,9 +16,7 @@
 
 package fifo
 
-import (
-	"errors"
-)
+import "errors"
 
 var (
 	ErrClosed      = errors.New("fifo closed")

vendor/github.com/containerd/fifo/fifo.go

@@ -1,3 +1,5 @@
+// +build !windows
+
 /*
    Copyright The containerd Authors.
 
@@ -74,7 +76,7 @@ func OpenFifo(ctx context.Context, fn string, flag int, perm os.FileMode) (io.Re
 func openFifo(ctx context.Context, fn string, flag int, perm os.FileMode) (*fifo, error) {
 	if _, err := os.Stat(fn); err != nil {
 		if os.IsNotExist(err) && flag&syscall.O_CREAT != 0 {
-			if err := mkfifo(fn, uint32(perm&os.ModePerm)); err != nil && !os.IsExist(err) {
+			if err := syscall.Mkfifo(fn, uint32(perm&os.ModePerm)); err != nil && !os.IsExist(err) {
 				return nil, errors.Wrapf(err, "error creating fifo %v", fn)
 			}
 		} else {

vendor/github.com/containerd/fifo/handle_nolinux.go

@@ -1,4 +1,4 @@
-// +build !linux
+// +build !linux,!windows
 
 /*
    Copyright The containerd Authors.
@@ -38,8 +38,8 @@ func getHandle(fn string) (*handle, error) {
 
 	h := &handle{
 		fn:  fn,
-		dev: uint64(stat.Dev),
-		ino: uint64(stat.Ino),
+		dev: uint64(stat.Dev), //nolint: unconvert
+		ino: uint64(stat.Ino), //nolint: unconvert
 	}
 
 	return h, nil
@@ -50,7 +50,7 @@ func (h *handle) Path() (string, error) {
 	if err := syscall.Stat(h.fn, &stat); err != nil {
 		return "", errors.Wrapf(err, "path %v could not be statted", h.fn)
 	}
-	if uint64(stat.Dev) != h.dev || uint64(stat.Ino) != h.ino {
+	if uint64(stat.Dev) != h.dev || uint64(stat.Ino) != h.ino { //nolint: unconvert
 		return "", errors.Errorf("failed to verify handle %v/%v %v/%v for %v", stat.Dev, h.dev, stat.Ino, h.ino, h.fn)
 	}
 	return h.fn, nil

vendor/github.com/containerd/fifo/mkfifo_solaris.go

@@ -1,27 +0,0 @@
-// +build solaris
-
-/*
-   Copyright The containerd Authors.
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-   you may not use this file except in compliance with the License.
-   You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-   Unless required by applicable law or agreed to in writing, software
-   distributed under the License is distributed on an "AS IS" BASIS,
-   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-   See the License for the specific language governing permissions and
-   limitations under the License.
-*/
-
-package fifo
-
-import (
-	"golang.org/x/sys/unix"
-)
-
-func mkfifo(path string, mode uint32) (err error) {
-	return unix.Mkfifo(path, mode)
-}

vendor/github.com/containerd/fifo/raw.go

@@ -1,4 +1,4 @@
-// +build go1.12
+// +build !windows
 
 /*
    Copyright The containerd Authors.

vendor/github.com/containerd/fifo/utils.go

@@ -1,5 +1,3 @@
-// +build !solaris
-
 /*
    Copyright The containerd Authors.
 
@@ -18,8 +16,20 @@
 
 package fifo
 
-import "syscall"
+import "os"
 
-func mkfifo(path string, mode uint32) (err error) {
-	return syscall.Mkfifo(path, mode)
+// IsFifo checks if a file is a (named pipe) fifo
+// if the file does not exist then it returns false
+func IsFifo(path string) (bool, error) {
+	stat, err := os.Stat(path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return false, nil
+		}
+		return false, err
+	}
+	if stat.Mode()&os.ModeNamedPipe == os.ModeNamedPipe {
+		return true, nil
+	}
+	return false, nil
 }