Merge branch 'issue#269' of https://github.com/vkartik97/kaniko into vkartik97-issue#269

pkg/buildcontext/buildcontext.go

@@ -42,6 +42,8 @@ func GetBuildContext(srcContext string) (BuildContext, error) {
 		return &S3{context: context}, nil
 	case constants.LocalDirBuildContextPrefix:
 		return &Dir{context: context}, nil
+	case constants.GitBuildContextPrefix:
+		return &Git{context: context}, nil
 	}
-	return nil, errors.New("unknown build context prefix provided, please use one of the following: gs://, dir://, s3://")
+	return nil, errors.New("unknown build context prefix provided, please use one of the following: gs://, dir://, s3://, git://")
 }

pkg/buildcontext/git.go

@@ -0,0 +1,39 @@
+/*
+Copyright 2018 Google LLC
+
+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 buildcontext
+
+import (
+	"os"
+
+	"github.com/GoogleContainerTools/kaniko/pkg/constants"
+	git "gopkg.in/src-d/go-git.v4"
+)
+
+// Git unifies calls to download and unpack the build context.
+type Git struct {
+	context string
+}
+
+// UnpackTarFromBuildContext will provide the directory where Git Repository is Cloned
+func (g *Git) UnpackTarFromBuildContext() (string, error) {
+	directory := constants.BuildContextDir
+	_, err := git.PlainClone(directory, false, &git.CloneOptions{
+		URL:      "https://" + g.context,
+		Progress: os.Stdout,
+	})
+	return directory, err
+}

pkg/constants/constants.go

@@ -57,6 +57,7 @@ const (
 	GCSBuildContextPrefix      = "gs://"
 	S3BuildContextPrefix       = "s3://"
 	LocalDirBuildContextPrefix = "dir://"
+	GitBuildContextPrefix      = "git://"
 
 	HOME = "HOME"
 	// DefaultHOMEValue is the default value Docker sets for $HOME