gocryptfs: support fstab mount

fusermount must be in PATH.

pkgs/tools/filesystems/gocryptfs/default.nix

@@ -2,6 +2,8 @@
 , stdenv
 , buildGoModule
 , fetchFromGitHub
+, fuse
+, makeWrapper
 , openssl
 , pandoc
 , pkg-config
@@ -22,6 +24,7 @@ buildGoModule rec {
   vendorSha256 = "sha256-Q/oBT5xdLpgQCIk7KES6c8+BaCQVUIwCwVufl4oTFRs=";
 
   nativeBuildInputs = [
+    makeWrapper
     pkg-config
     pandoc
   ];
@@ -48,6 +51,12 @@ buildGoModule rec {
     popd
   '';
 
+  postInstall = ''
+    wrapProgram $out/bin/gocryptfs \
+      --prefix PATH : ${lib.makeBinPath [ fuse ]}
+    ln -s $out/bin/gocryptfs $out/bin/mount.fuse.gocryptfs
+  '';
+
   meta = with lib; {
     description = "Encrypted overlay filesystem written in Go";
     license = licenses.mit;