From 3ad455fe206c705f4858ea2bc42af8cd6da2553a Mon Sep 17 00:00:00 2001
From: Cadence Ember <cloudrac3r@vivaldi.net>
Date: Sat, 15 Aug 2020 23:11:18 +1200
Subject: [PATCH] add counter restart feature

---
 run.fish           | 13 ++++++++++---
 utils/helpers.fish | 11 +++++++++++
 2 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/run.fish b/run.fish
index 9110c7e..ef6828b 100755
--- a/run.fish
+++ b/run.fish
@@ -24,6 +24,13 @@ end
 
 set pull_interval 10m
 set update_applied false
+set should_auto_restart (count $argv[1] >/dev/null; and echo true; or echo false)
+set auto_restart_cycles $argv[1]
+set auto_restart_countdown $auto_restart_cycles
+
+function do_restart_countdown
+	$should_auto_restart; and test (quick_math auto_restart_countdown - 1) -le 0
+end
 
 cd bibliogram/src/site
 
@@ -37,15 +44,15 @@ while true
 	set update_applied false
 
 	echo '' | node server.js &
-	set -l b_pid (jobs -p)
 
 	while not $update_applied
 		sleep $pull_interval
 
-		if do_update
+		if do_update; or do_restart_countdown
 			npm install --no-optional
 			set update_applied true
-			kill $b_pid
+			set auto_restart_countdown $auto_restart_cycles
+			kill (jobs -p)
 		else
 			echo '[ ] ['(date +%H%M%S)'] [UPD] No updates available yet.'
 		end
diff --git a/utils/helpers.fish b/utils/helpers.fish
index ae349ef..f0a6d0d 100644
--- a/utils/helpers.fish
+++ b/utils/helpers.fish
@@ -36,3 +36,14 @@ function update_origin_url
 		git fetch --quiet; or return 1
 	end
 end
+
+# Alter a variable with math.
+# argv[1]: the variable to alter.
+# argv[2...]: arguments to math.
+# text: the new value of the variable.
+function quick_math
+	set -l variable $argv[1]
+	set -l math_args $argv[2..-1]
+	set $variable (math $$variable $math_args)
+	echo $$variable
+end
-- 
2.26.2