point to new ko repo

vendor/github.com/google/ko/LICENSE

@@ -0,0 +1,202 @@
+
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vendor/github.com/google/ko/cmd/ko/test/kodata/kenobi

@@ -0,0 +1 @@
+../kenobi

vendor/github.com/google/ko/pkg/build/build.go

@@ -15,7 +15,7 @@
 package build
 
 import (
-	"github.com/google/go-containerregistry/pkg/v1"
+	v1 "github.com/google/go-containerregistry/pkg/v1"
 )
 
 // Interface abstracts different methods for turning a supported importpath

vendor/github.com/google/ko/pkg/build/future.go

@@ -0,0 +1,75 @@
+// Copyright 2018 Google LLC All Rights Reserved.
+//
+// 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 build
+
+import (
+	"sync"
+
+	v1 "github.com/google/go-containerregistry/pkg/v1"
+)
+
+func newFuture(work func() (v1.Image, error)) *future {
+	// Create a channel on which to send the result.
+	ch := make(chan *result)
+	// Initiate the actual work, sending its result
+	// along the above channel.
+	go func() {
+		img, err := work()
+		ch <- &result{img: img, err: err}
+	}()
+	// Return a future for the above work.  Callers should
+	// call .Get() on this result (as many times as needed).
+	// One of these calls will receive the result, store it,
+	// and close the channel so that the rest of the callers
+	// can consume it.
+	return &future{
+		promise: ch,
+	}
+}
+
+type result struct {
+	img v1.Image
+	err error
+}
+
+type future struct {
+	m sync.RWMutex
+
+	result  *result
+	promise chan *result
+}
+
+// Get blocks on the result of the future.
+func (f *future) Get() (v1.Image, error) {
+	// Block on the promise of a result until we get one.
+	result, ok := <-f.promise
+	if ok {
+		func() {
+			f.m.Lock()
+			defer f.m.Unlock()
+			// If we got the result, then store it so that
+			// others may access it.
+			f.result = result
+			// Close the promise channel so that others
+			// are signaled that the result is available.
+			close(f.promise)
+		}()
+	}
+
+	f.m.RLock()
+	defer f.m.RUnlock()
+
+	return f.result.img, f.result.err
+}

vendor/github.com/google/ko/pkg/build/gobuild.go

@@ -26,13 +26,17 @@ import (
 	"os/exec"
 	"path/filepath"
 
-	"github.com/google/go-containerregistry/pkg/v1"
+	v1 "github.com/google/go-containerregistry/pkg/v1"
 	"github.com/google/go-containerregistry/pkg/v1/mutate"
 	"github.com/google/go-containerregistry/pkg/v1/tarball"
 )
 
-const appPath = "/ko-app"
+const (
+	appDir             = "/ko-app"
+	defaultAppFilename = "ko-app"
+)
 
+// GetBase takes an importpath and returns a base v1.Image.
 type GetBase func(string) (v1.Image, error)
 type builder func(string) (string, error)
 
@@ -42,6 +46,7 @@ type gobuild struct {
 	build        builder
 }
 
+// Option is a functional option for NewGo.
 type Option func(*gobuildOpener) error
 
 type gobuildOpener struct {
@@ -52,7 +57,7 @@ type gobuildOpener struct {
 
 func (gbo *gobuildOpener) Open() (Interface, error) {
 	if gbo.getBase == nil {
-		return nil, errors.New("a way of providing base images must be specified, see build.WithBaseImages.")
+		return nil, errors.New("a way of providing base images must be specified, see build.WithBaseImages")
 	}
 	return &gobuild{
 		getBase:      gbo.getBase,
@@ -106,6 +111,7 @@ func build(ip string) (string, error) {
 	cmd.Stderr = &output
 	cmd.Stdout = &output
 
+	log.Printf("Building %s", ip)
 	if err := cmd.Run(); err != nil {
 		os.RemoveAll(tmpDir)
 		log.Printf("Unexpected error running \"go build\": %v\n%v", err, output.String())
@@ -114,11 +120,53 @@ func build(ip string) (string, error) {
 	return file, nil
 }
 
-func tarBinary(binary string) (*bytes.Buffer, error) {
+func appFilename(importpath string) string {
+	base := filepath.Base(importpath)
+
+	// If we fail to determine a good name from the importpath then use a
+	// safe default.
+	if base == "." || base == string(filepath.Separator) {
+		return defaultAppFilename
+	}
+
+	return base
+}
+
+func tarAddDirectories(tw *tar.Writer, dir string) error {
+	if dir == "." || dir == string(filepath.Separator) {
+		return nil
+	}
+
+	// Write parent directories first
+	if err := tarAddDirectories(tw, filepath.Dir(dir)); err != nil {
+		return err
+	}
+
+	// write the directory header to the tarball archive
+	if err := tw.WriteHeader(&tar.Header{
+		Name:     dir,
+		Typeflag: tar.TypeDir,
+		// Use a fixed Mode, so that this isn't sensitive to the directory and umask
+		// under which it was created. Additionally, windows can only set 0222,
+		// 0444, or 0666, none of which are executable.
+		Mode: 0555,
+	}); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+func tarBinary(name, binary string) (*bytes.Buffer, error) {
 	buf := bytes.NewBuffer(nil)
 	tw := tar.NewWriter(buf)
 	defer tw.Close()
 
+	// write the parent directories to the tarball archive
+	if err := tarAddDirectories(tw, filepath.Dir(name)); err != nil {
+		return nil, err
+	}
+
 	file, err := os.Open(binary)
 	if err != nil {
 		return nil, err
@@ -129,7 +177,7 @@ func tarBinary(binary string) (*bytes.Buffer, error) {
 		return nil, err
 	}
 	header := &tar.Header{
-		Name:     appPath,
+		Name:     name,
 		Size:     stat.Size(),
 		Typeflag: tar.TypeReg,
 		// Use a fixed Mode, so that this isn't sensitive to the directory and umask
@@ -246,8 +294,10 @@ func (gb *gobuild) Build(s string) (v1.Image, error) {
 	}
 	layers = append(layers, dataLayer)
 
+	appPath := filepath.Join(appDir, appFilename(s))
+
 	// Construct a tarball with the binary and produce a layer.
-	binaryLayerBuf, err := tarBinary(file)
+	binaryLayerBuf, err := tarBinary(appPath, file)
 	if err != nil {
 		return nil, err
 	}

vendor/github.com/google/ko/pkg/build/options.go

@@ -15,7 +15,7 @@
 package build
 
 import (
-	"github.com/google/go-containerregistry/pkg/v1"
+	v1 "github.com/google/go-containerregistry/pkg/v1"
 )
 
 // WithBaseImages is a functional option for overriding the base images

vendor/github.com/google/ko/pkg/build/recorder.go

@@ -0,0 +1,46 @@
+// Copyright 2018 Google LLC All Rights Reserved.
+//
+// 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 build
+
+import (
+	"sync"
+
+	v1 "github.com/google/go-containerregistry/pkg/v1"
+)
+
+// Recorder composes with another Interface to record the built import paths.
+type Recorder struct {
+	m           sync.Mutex
+	ImportPaths []string
+	Builder     Interface
+}
+
+// Recorder implements Interface
+var _ Interface = (*Recorder)(nil)
+
+// IsSupportedReference implements Interface
+func (r *Recorder) IsSupportedReference(ip string) bool {
+	return r.Builder.IsSupportedReference(ip)
+}
+
+// Build implements Interface
+func (r *Recorder) Build(ip string) (v1.Image, error) {
+	func() {
+		r.m.Lock()
+		defer r.m.Unlock()
+		r.ImportPaths = append(r.ImportPaths, ip)
+	}()
+	return r.Builder.Build(ip)
+}

vendor/github.com/google/ko/pkg/build/shared.go

@@ -0,0 +1,79 @@
+// Copyright 2018 Google LLC All Rights Reserved.
+//
+// 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 build
+
+import (
+	"sync"
+
+	v1 "github.com/google/go-containerregistry/pkg/v1"
+)
+
+// Caching wraps a builder implementation in a layer that shares build results
+// for the same inputs using a simple "future" implementation.  Cached results
+// may be invalidated by calling Invalidate with the same input passed to Build.
+type Caching struct {
+	inner Interface
+
+	m       sync.Mutex
+	results map[string]*future
+}
+
+// Caching implements Interface
+var _ Interface = (*Caching)(nil)
+
+// NewCaching wraps the provided build.Interface in an implementation that
+// shares build results for a given path until the result has been invalidated.
+func NewCaching(inner Interface) (*Caching, error) {
+	return &Caching{
+		inner:   inner,
+		results: make(map[string]*future),
+	}, nil
+}
+
+// Build implements Interface
+func (c *Caching) Build(ip string) (v1.Image, error) {
+	f := func() *future {
+		// Lock the map of futures.
+		c.m.Lock()
+		defer c.m.Unlock()
+
+		// If a future for "ip" exists, then return it.
+		f, ok := c.results[ip]
+		if ok {
+			return f
+		}
+		// Otherwise create and record a future for a Build of "ip".
+		f = newFuture(func() (v1.Image, error) {
+			return c.inner.Build(ip)
+		})
+		c.results[ip] = f
+		return f
+	}()
+
+	return f.Get()
+}
+
+// IsSupportedReference implements Interface
+func (c *Caching) IsSupportedReference(ip string) bool {
+	return c.inner.IsSupportedReference(ip)
+}
+
+// Invalidate removes an import path's cached results.
+func (c *Caching) Invalidate(ip string) {
+	c.m.Lock()
+	defer c.m.Unlock()
+
+	delete(c.results, ip)
+}