From 9a5916dc478c4d3f3d191a98b537eb31c2f22311 Mon Sep 17 00:00:00 2001
From: Renzo Carbonara <k0001@users.noreply.github.com>
Date: Mon, 1 May 2017 17:09:45 +0200
Subject: [PATCH] tarsnap service: add 'verbose' config option (#25353)

---
 nixos/modules/services/backup/tarsnap.nix | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/backup/tarsnap.nix b/nixos/modules/services/backup/tarsnap.nix
index 67112343c335..7c9dedb67ad2 100644
--- a/nixos/modules/services/backup/tarsnap.nix
+++ b/nixos/modules/services/backup/tarsnap.nix
@@ -230,6 +230,14 @@ in
                   Download bandwidth rate limit in bytes.
                 '';
               };
+
+              verbose = mkOption {
+                type = types.bool;
+                default = false;
+                description = ''
+                  Whether to produce verbose logging output.
+                '';
+              };
             };
           }
         ));
@@ -293,7 +301,10 @@ in
         '';
 
         script =
-          let run = ''tarsnap --configfile "/etc/tarsnap/${name}.conf" -c -f "${name}-$(date +"%Y%m%d%H%M%S")" ${concatStringsSep " " cfg.directories}'';
+          let run = ''tarsnap --configfile "/etc/tarsnap/${name}.conf" \
+                        -c -f "${name}-$(date +"%Y%m%d%H%M%S")" \
+                        ${optionalString cfg.verbose "-v"} \
+                        ${concatStringsSep " " cfg.directories}'';
           in if (cfg.cachedir != null) then ''
             mkdir -p ${cfg.cachedir}
             chmod 0700 ${cfg.cachedir}