From 16cef3b4c6b5db5270a57b2e0588e2a5120a4514 Mon Sep 17 00:00:00 2001
From: Alexander Neumann <alexander@bumpern.de>
Date: Tue, 15 Nov 2016 21:04:08 +0100
Subject: [PATCH] Use the hostname filter to find a parent snasphot

Closes #674
---
 src/cmds/restic/cmd_backup.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/cmds/restic/cmd_backup.go b/src/cmds/restic/cmd_backup.go
index 9622b15da..3f532464d 100644
--- a/src/cmds/restic/cmd_backup.go
+++ b/src/cmds/restic/cmd_backup.go
@@ -354,7 +354,13 @@ func runBackup(opts BackupOptions, gopts GlobalOptions, args []string) error {
 
 	// Find last snapshot to set it as parent, if not already set
 	if !opts.Force && parentSnapshotID == nil {
-		id, err := restic.FindLatestSnapshot(repo, target, "")
+		hostname, err := os.Hostname()
+		if err != nil {
+			debug.Log("os.Hostname() returned err: %v", err)
+			hostname = ""
+		}
+
+		id, err := restic.FindLatestSnapshot(repo, target, hostname)
 		if err == nil {
 			parentSnapshotID = &id
 		} else if err != restic.ErrNoSnapshotFound {