Initial commit

vendor/github.com/hyperhq/hypercli/api/client/diff.go

@@ -0,0 +1,49 @@
+package client
+
+import (
+	"fmt"
+
+	"golang.org/x/net/context"
+
+	Cli "github.com/hyperhq/hypercli/cli"
+	"github.com/hyperhq/hypercli/pkg/archive"
+	flag "github.com/hyperhq/hypercli/pkg/mflag"
+)
+
+// CmdDiff shows changes on a container's filesystem.
+//
+// Each changed file is printed on a separate line, prefixed with a single
+// character that indicates the status of the file: C (modified), A (added),
+// or D (deleted).
+//
+// Usage: docker diff CONTAINER
+func (cli *DockerCli) Diff(args ...string) error {
+	cmd := Cli.Subcmd("diff", []string{"CONTAINER"}, Cli.DockerCommands["diff"].Description, true)
+	cmd.Require(flag.Exact, 1)
+
+	cmd.ParseFlags(args, true)
+
+	if cmd.Arg(0) == "" {
+		return fmt.Errorf("Container name cannot be empty")
+	}
+
+	changes, err := cli.client.ContainerDiff(context.Background(), cmd.Arg(0))
+	if err != nil {
+		return err
+	}
+
+	for _, change := range changes {
+		var kind string
+		switch change.Kind {
+		case archive.ChangeModify:
+			kind = "C"
+		case archive.ChangeAdd:
+			kind = "A"
+		case archive.ChangeDelete:
+			kind = "D"
+		}
+		fmt.Fprintf(cli.out, "%s %s\n", kind, change.Path)
+	}
+
+	return nil
+}