From c5510367db582d1c0683f182dd0e151ea0ab3b5f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= <cynerd@email.cz>
Date: Fri, 10 Jun 2022 14:14:22 +0200
Subject: Improvements for NixOS

---
 local/bin/allsync | 32 ++++++++++++++++++++++++--------
 1 file changed, 24 insertions(+), 8 deletions(-)

(limited to 'local/bin/allsync')

diff --git a/local/bin/allsync b/local/bin/allsync
index c268b97..e5bb633 100755
--- a/local/bin/allsync
+++ b/local/bin/allsync
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 set -eu
 cronline="* * * * * /bin/sh -c 'AUTORUN=y /home/cynerd/.local/bin/allsync'"
 
@@ -16,20 +16,32 @@ i3_astroid() {
 
 cron_enable() {
 	pass mail/cynerd@email.cz >/dev/null # Cache keys
-	{
-		crontab -l 
-		echo "$cronline"
-	} | crontab -
+	if command -v crontab >/dev/null; then
+		{
+			crontab -l 
+			echo "$cronline"
+		} | crontab -
+	else
+		systemctl --user start allsync.timer
+	fi
 	notify_i3block
 }
 
 cron_disable() {
-	crontab -l | grep -Fv "$cronline" | crontab -
+	if command -v crontab >/dev/null; then
+		crontab -l | grep -Fv "$cronline" | crontab -
+	else
+		systemctl --user stop allsync.timer
+	fi
 	notify_i3block
 }
 
 cron_enabled() {
-	crontab -l | grep -Fq "$cronline"
+	if command -v crontab >/dev/null; then
+		crontab -l | grep -Fq "$cronline"
+	else
+		systemctl --user is-active allsync.timer >/dev/null
+	fi
 }
 
 if [ "$#" -gt 0 ]; then
@@ -67,6 +79,7 @@ fi
 
 ##################################################################################
 
+flock_nonblock=""
 if [ "${AUTORUN:-n}" = "y" ]; then
 	exec &> >(logger -t "${0##*/}")
 
@@ -75,10 +88,13 @@ if [ "${AUTORUN:-n}" = "y" ]; then
 		cron_disable
 		exit 1
 	fi
+	flock_nonblock="--nonblock"
 fi
 
 if [ "${ALLSYNC_FLOCK:-n}" != "y" ]; then
-	ALLSYNC_FLOCK=y exec flock --exclusive "$HOME/.mail" "$0" "$@"
+	ALLSYNC_FLOCK=y exec flock $flock_nonblock --exclusive "$HOME/.mail" "$0" "$@"
+	echo "Another instance is alredy running" >&2
+	exit 1
 fi
 
 
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