[19.03] vendor: buildkit v0.6.4-5-g59e305aa

full diff: b26cff2413...59e305aa33

- moby/buildkit#1469 Avoid creation of irrelevant temporary files on Windows
    - backport of moby/buildkit#1462 for the docker-19.03/v0.6 branch

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

vendor.conf

@@ -26,7 +26,7 @@ github.com/imdario/mergo                            7c29201646fa3de8506f70121347
 golang.org/x/sync                                   e225da77a7e68af35c70ccbf71af2b83e6acac3c
 
 # buildkit
-github.com/moby/buildkit                            b26cff2413cc6a466f8739262efa13bd126f8fc7 # v0.6.4 + aa7df97d7136e732561b59f87a38ad52d46d3b19
+github.com/moby/buildkit                            59e305aa33fd96e51d5c458f55104250b3e39f56 # v0.6.4-5-g59e305aa
 github.com/tonistiigi/fsutil                        6c909ab392c173a4264ae1bfcbc0450b9aac0c7d
 github.com/grpc-ecosystem/grpc-opentracing          8e809c8a86450a29b90dcc9efbf062d0fe6d9746
 github.com/opentracing/opentracing-go               1361b9cd60be79c4c3a7fa9841b3c132e40066a7

vendor/github.com/moby/buildkit/util/binfmt_misc/check.go

@@ -1,42 +0,0 @@
-package binfmt_misc
-
-import (
-	"bytes"
-	"compress/gzip"
-	"io"
-	"io/ioutil"
-	"os"
-	"os/exec"
-	"path/filepath"
-)
-
-func check(bin string) error {
-	tmpdir, err := ioutil.TempDir("", "qemu-check")
-	if err != nil {
-		return err
-	}
-	defer os.RemoveAll(tmpdir)
-	pp := filepath.Join(tmpdir, "check")
-
-	r, err := gzip.NewReader(bytes.NewReader([]byte(bin)))
-	if err != nil {
-		return err
-	}
-	defer r.Close()
-
-	f, err := os.OpenFile(pp, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0700)
-	if err != nil {
-		return err
-	}
-
-	if _, err := io.Copy(f, r); err != nil {
-		f.Close()
-		return err
-	}
-	f.Close()
-
-	cmd := exec.Command("/check")
-	withChroot(cmd, tmpdir)
-	err = cmd.Run()
-	return err
-}

vendor/github.com/moby/buildkit/util/binfmt_misc/check_unix.go

@@ -3,7 +3,13 @@
 package binfmt_misc
 
 import (
+	"bytes"
+	"compress/gzip"
+	"io"
+	"io/ioutil"
+	"os"
 	"os/exec"
+	"path/filepath"
 	"syscall"
 )
 
@@ -12,3 +18,34 @@ func withChroot(cmd *exec.Cmd, dir string) {
 		Chroot: dir,
 	}
 }
+
+func check(bin string) error {
+	tmpdir, err := ioutil.TempDir("", "qemu-check")
+	if err != nil {
+		return err
+	}
+	defer os.RemoveAll(tmpdir)
+	pp := filepath.Join(tmpdir, "check")
+
+	r, err := gzip.NewReader(bytes.NewReader([]byte(bin)))
+	if err != nil {
+		return err
+	}
+	defer r.Close()
+
+	f, err := os.OpenFile(pp, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0700)
+	if err != nil {
+		return err
+	}
+
+	if _, err := io.Copy(f, r); err != nil {
+		f.Close()
+		return err
+	}
+	f.Close()
+
+	cmd := exec.Command("/check")
+	withChroot(cmd, tmpdir)
+	err = cmd.Run()
+	return err
+}

vendor/github.com/moby/buildkit/util/binfmt_misc/check_windows.go

@@ -3,8 +3,13 @@
 package binfmt_misc
 
 import (
+	"errors"
 	"os/exec"
 )
 
 func withChroot(cmd *exec.Cmd, dir string) {
 }
+
+func check(bin string) error {
+	return errors.New("binfmt is not supported on Windows")
+}