From 4f474f1661fd5c655db25f766e2be072e1bb3bf2 Mon Sep 17 00:00:00 2001
From: Christian Kellner <christian@kellner.me>
Date: Wed, 10 Nov 2021 14:09:46 +0000
Subject: [PATCH] disk: introduce ContainsMountpoint helper

Simple wrapper around FindFilesystemForMountpoint that will
return a boolean if a filesystem with the given mountpoint
is defined in the partition table.
---
 internal/disk/disk.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/internal/disk/disk.go b/internal/disk/disk.go
index 76bbeddc3..cb89a7191 100644
--- a/internal/disk/disk.go
+++ b/internal/disk/disk.go
@@ -223,6 +223,12 @@ func (pt *PartitionTable) FindFilesystemForMountpoint(mountpoint string) *Filesy
 	return res
 }
 
+// Returns if the partition table contains a filesystem with the given
+// mount point.
+func (pt *PartitionTable) ContainsMountpoint(mountpoint string) bool {
+	return pt.FindFilesystemForMountpoint(mountpoint) != nil
+}
+
 // Returns the Filesystem instance that corresponds to the root
 // filesystem, i.e. the filesystem whose mountpoint is '/'.
 func (pt *PartitionTable) RootFilesystem() *Filesystem {