From 246d3032ae94ccbc3612a3128aa584e392a39c18 Mon Sep 17 00:00:00 2001
From: Michael Eischer <michael.eischer@fau.de>
Date: Mon, 3 Oct 2022 14:51:00 +0200
Subject: [PATCH] restic: Don't list snapshots if FindSnapshot gets full id

---
 internal/restic/snapshot_find.go | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/internal/restic/snapshot_find.go b/internal/restic/snapshot_find.go
index d0d294a40..eadb01f4b 100644
--- a/internal/restic/snapshot_find.go
+++ b/internal/restic/snapshot_find.go
@@ -73,15 +73,19 @@ func findLatestSnapshot(ctx context.Context, be Lister, loader LoaderUnpacked, h
 // FindSnapshot takes a string and tries to find a snapshot whose ID matches
 // the string as closely as possible.
 func FindSnapshot(ctx context.Context, be Lister, loader LoaderUnpacked, s string) (*Snapshot, error) {
-	// find snapshot id with prefix
-	name, err := Find(ctx, be, SnapshotFile, s)
+	// no need to list snapshots if `s` is already a full id
+	id, err := ParseID(s)
 	if err != nil {
-		return nil, err
-	}
+		// find snapshot id with prefix
+		name, err := Find(ctx, be, SnapshotFile, s)
+		if err != nil {
+			return nil, err
+		}
 
-	id, err := ParseID(name)
-	if err != nil {
-		return nil, err
+		id, err = ParseID(name)
+		if err != nil {
+			return nil, err
+		}
 	}
 	return LoadSnapshot(ctx, loader, id)
 }