From 9be4fe3e8401ea782ed6f5f3ab7ba321f28ee5e3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=A9bastien=20Gross?=
 <seb•ɑƬ•chezwam•ɖɵʈ•org>
Date: Mon, 6 Jul 2020 02:26:21 +0200
Subject: [PATCH] cmd/mount: honour --no-lock flag
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Do not lock the repository if --no-lock global flag is set. This allows
to mount repositories which are archived on a read only system.

Signed-off-by: Sébastien Gross <seb•ɑƬ•chezwam•ɖɵʈ•org>
---
 changelog/unreleased/pull-2821 |  8 ++++++++
 cmd/restic/cmd_mount.go        | 10 ++++++----
 2 files changed, 14 insertions(+), 4 deletions(-)
 create mode 100644 changelog/unreleased/pull-2821

diff --git a/changelog/unreleased/pull-2821 b/changelog/unreleased/pull-2821
new file mode 100644
index 000000000..ee0d7b483
--- /dev/null
+++ b/changelog/unreleased/pull-2821
@@ -0,0 +1,8 @@
+Change: Honor the --no-lock flag in the mount command
+
+The mount command now does not lock the repository if given the
+--no-lock flag. This allows to mount repositories which are archived
+on a read only backend/filesystem.
+
+https://github.com/restic/restic/issues/1597
+https://github.com/restic/restic/pull/2821
diff --git a/cmd/restic/cmd_mount.go b/cmd/restic/cmd_mount.go
index 59fb4e82a..626915dfe 100644
--- a/cmd/restic/cmd_mount.go
+++ b/cmd/restic/cmd_mount.go
@@ -90,10 +90,12 @@ func mount(opts MountOptions, gopts GlobalOptions, mountpoint string) error {
 		return err
 	}
 
-	lock, err := lockRepo(repo)
-	defer unlockRepo(lock)
-	if err != nil {
-		return err
+	if !gopts.NoLock {
+		lock, err := lockRepo(repo)
+		defer unlockRepo(lock)
+		if err != nil {
+			return err
+		}
 	}
 
 	err = repo.LoadIndex(gopts.ctx)