move dependencies to vendor

vendor/github.com/docker/libcompose/docker/context.go

@@ -0,0 +1,36 @@
+package docker
+
+import (
+	"github.com/docker/docker/cliconfig"
+	"github.com/docker/libcompose/project"
+)
+
+// Context holds context meta information about a libcompose project and docker
+// client information (like configuration file, builder to use, …)
+type Context struct {
+	project.Context
+	Builder       Builder
+	ClientFactory ClientFactory
+	ConfigDir     string
+	ConfigFile    *cliconfig.ConfigFile
+}
+
+func (c *Context) open() error {
+	return c.LookupConfig()
+}
+
+// LookupConfig tries to load the docker configuration files, if any.
+func (c *Context) LookupConfig() error {
+	if c.ConfigFile != nil {
+		return nil
+	}
+
+	config, err := cliconfig.Load(c.ConfigDir)
+	if err != nil {
+		return err
+	}
+
+	c.ConfigFile = config
+
+	return nil
+}