From 859a6d1e732bfc40e65f5ed7b33d4014d77740a8 Mon Sep 17 00:00:00 2001
From: lassulus <lassulus@lassul.us>
Date: Sat, 23 Jan 2021 17:34:59 +0100
Subject: l bindfs: add clearTarget option

---
 lass/3modules/bindfs.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/lass/3modules/bindfs.nix b/lass/3modules/bindfs.nix
index 5c8df8dc5..c489ef163 100644
--- a/lass/3modules/bindfs.nix
+++ b/lass/3modules/bindfs.nix
@@ -28,6 +28,13 @@ in {
           type = types.listOf types.str;
           default = [];
         };
+        clearTarget = mkOption {
+          description = ''
+            whether to clear the target folder before mounting
+          '';
+          type = types.bool;
+          default = false;
+        };
       };
     }));
     default = {};
@@ -41,6 +48,9 @@ in {
       path = [ pkgs.coreutils ];
       serviceConfig = {
         ExecStartPre = pkgs.writeDash "bindfs-init-${name}" ''
+          ${optionalString mount.clearTarget ''
+            rm -rf '${mount.target}'
+          ''}
           mkdir -p '${mount.source}'
           mkdir -p '${mount.target}'
         '';
-- 
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