From ac52cb3aedacca84e8dd711c6d5e45f594ff8b61 Mon Sep 17 00:00:00 2001
From: Ruben Maher <ruben@maher.fyi>
Date: Mon, 12 Feb 2018 23:02:38 +0000
Subject: [PATCH] nixos/prometheus/alertmanager: double hyphenate long opts
 (#34914)

Alertmanager 0.13.0 doesn't support single dash long options, so '-config.file'
for example is parsed as '-c', which leads to the service not starting.
---
 .../services/monitoring/prometheus/alertmanager.nix    | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/nixos/modules/services/monitoring/prometheus/alertmanager.nix b/nixos/modules/services/monitoring/prometheus/alertmanager.nix
index cf761edad92..8a47c9f1e7d 100644
--- a/nixos/modules/services/monitoring/prometheus/alertmanager.nix
+++ b/nixos/modules/services/monitoring/prometheus/alertmanager.nix
@@ -111,11 +111,11 @@ in {
       after    = [ "network.target" ];
       script = ''
         ${pkgs.prometheus-alertmanager.bin}/bin/alertmanager \
-        -config.file ${alertmanagerYml} \
-        -web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
-        -log.level ${cfg.logLevel} \
-        ${optionalString (cfg.webExternalUrl != null) ''-web.external-url ${cfg.webExternalUrl} \''}
-        ${optionalString (cfg.logFormat != null) "-log.format ${cfg.logFormat}"}
+        --config.file ${alertmanagerYml} \
+        --web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
+        --log.level ${cfg.logLevel} \
+        ${optionalString (cfg.webExternalUrl != null) ''--web.external-url ${cfg.webExternalUrl} \''}
+        ${optionalString (cfg.logFormat != null) "--log.format ${cfg.logFormat}"}
       '';
 
       serviceConfig = {