From 13eb2d51c7284472efabc278bf9b7ec0b8575e47 Mon Sep 17 00:00:00 2001
From: doc <doc@filenotfound.org>
Date: Sun, 14 Sep 2025 22:13:41 +0000
Subject: first commit

---
 arch-lastsync.sh | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100755 arch-lastsync.sh

(limited to 'arch-lastsync.sh')

diff --git a/arch-lastsync.sh b/arch-lastsync.sh
new file mode 100755
index 0000000..a2c0106
--- /dev/null
+++ b/arch-lastsync.sh
@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Upstream (Arch Geo CDN points to a Tier-1 close to you)
+UPSTREAM="https://geo.mirror.pkgbuild.com/lastsync"
+
+# Your mirror (the VIP that Arch probes)
+MIRROR="https://stygian.failzero.net/mirror/archlinux/lastsync"
+
+# Log file
+LOGFILE="/var/log/mirrors/delay.log"
+mkdir -p "$(dirname "$LOGFILE")"
+
+# Fetch timestamps (seconds since epoch)
+u=$(curl -fsS "$UPSTREAM" || echo 0)
+m=$(curl -fsS "$MIRROR" || echo 0)
+
+if [[ "$u" =~ ^[0-9]+$ && "$m" =~ ^[0-9]+$ ]]; then
+    delay_min=$(( (u - m) / 60 ))
+    echo "$(date -Is) upstream=$u mirror=$m delay=${delay_min}m" >> "$LOGFILE"
+else
+    echo "$(date -Is) error fetching lastsync" >> "$LOGFILE"
+
+curl -fsS https://geo.mirror.pkgbuild.com/lastsync > "$LIVE/lastsync" \
+  || date -u +%s > "$LIVE/lastsync"
+
+fi
-- 
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