From 76b071cf742fdf6926c9f00cd6e15d7c9e9845f0 Mon Sep 17 00:00:00 2001
From: Jonathan Boulle <jonathanboulle@gmail.com>
Date: Thu, 26 Oct 2017 00:56:43 +0200
Subject: [PATCH] cmd/copy: add {src,dst}-shared-blob-dir flags

Only works for OCI layout sources and destinations.
---
 cmd/skopeo/copy.go  | 10 ++++++++++
 cmd/skopeo/utils.go |  1 +
 2 files changed, 11 insertions(+)

diff --git a/cmd/skopeo/copy.go b/cmd/skopeo/copy.go
index cbee3c00..fc522d9f 100644
--- a/cmd/skopeo/copy.go
+++ b/cmd/skopeo/copy.go
@@ -121,5 +121,15 @@ var copyCmd = cli.Command{
 			Value: "",
 			Usage: "`DIRECTORY` to use for OSTree temporary files",
 		},
+		cli.StringFlag{
+			Name:  "src-shared-blob-dir",
+			Value: "",
+			Usage: "`DIRECTORY` to use to fetch retrieved blobs (OCI layout sources only)",
+		},
+		cli.StringFlag{
+			Name:  "dest-shared-blob-dir",
+			Value: "",
+			Usage: "`DIRECTORY` to use to store retrieved blobs (OCI layout destinations only)",
+		},
 	},
 }
diff --git a/cmd/skopeo/utils.go b/cmd/skopeo/utils.go
index cdd99915..e78fce6d 100644
--- a/cmd/skopeo/utils.go
+++ b/cmd/skopeo/utils.go
@@ -17,6 +17,7 @@ func contextFromGlobalOptions(c *cli.Context, flagPrefix string) (*types.SystemC
 		// them if per subcommand flags are provided (see below).
 		DockerInsecureSkipTLSVerify: !c.GlobalBoolT("tls-verify"),
 		OSTreeTmpDirPath:            c.String(flagPrefix + "ostree-tmp-dir"),
+		OCISharedBlobDirPath:        c.String(flagPrefix + "shared-blob-dir"),
 	}
 	if c.IsSet(flagPrefix + "tls-verify") {
 		ctx.DockerInsecureSkipTLSVerify = !c.BoolT(flagPrefix + "tls-verify")