From 5faafbb1b4904ba228a405894080044e0594412f Mon Sep 17 00:00:00 2001
From: Christian Schwarz <me@cschwarz.com>
Date: Wed, 13 Sep 2017 23:46:15 +0200
Subject: [PATCH] cmd: noprune prune policy

---
 cmd/config_parse.go      |  2 ++
 cmd/config_prune_none.go | 11 +++++++++++
 2 files changed, 13 insertions(+)
 create mode 100644 cmd/config_prune_none.go

diff --git a/cmd/config_parse.go b/cmd/config_parse.go
index 47524ab..a680ccc 100644
--- a/cmd/config_parse.go
+++ b/cmd/config_parse.go
@@ -167,6 +167,8 @@ func parsePrunePolicy(v map[string]interface{}) (p PrunePolicy, err error) {
 	switch policyName {
 	case "grid":
 		return parseGridPrunePolicy(v)
+	case "noprune":
+		return NoPrunePolicy{}, nil
 	default:
 		err = errors.Errorf("unknown policy '%s'", policyName)
 		return
diff --git a/cmd/config_prune_none.go b/cmd/config_prune_none.go
new file mode 100644
index 0000000..785941b
--- /dev/null
+++ b/cmd/config_prune_none.go
@@ -0,0 +1,11 @@
+package cmd
+
+import "github.com/zrepl/zrepl/zfs"
+
+type NoPrunePolicy struct{}
+
+func (p NoPrunePolicy) Prune(fs *zfs.DatasetPath, versions []zfs.FilesystemVersion) (keep, remove []zfs.FilesystemVersion, err error) {
+	keep = versions
+	remove = []zfs.FilesystemVersion{}
+	return
+}