Add a service sync script

README.md

@@ -1 +1,8 @@
 These are docker-compose stacks I run on various servers.
+
+My [homelab](homelab/) now uses podman, invoked by runit.
+I did this for two reasons:
+
+1. My homelab now runs from a RAM disk, 
+   and podman takes half as much space as docker.
+2. docker swarm had some CPU overhead that podman doesn't have.

homelab/service-sync/README.md

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+Periodically syncs the live system into my git repository.
+
+In case anybody is ever curious about how this works.

homelab/service-sync/log/config

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+s16384

homelab/service-sync/log/run

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+#! /bin/sh
+
+svlogd -tt .

homelab/service-sync/run

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+#! /bin/sh
+
+set -e
+exec 2>&1
+
+echo "=== Copying newer files"
+cd /etc/service
+find . \
+	! -path './*/supervise*' \
+	! -path './*/log/lock' \
+	! -path './*/log/current' \
+	! -path './*/log/@*' \
+| cpio -R neale -m -p /home/neale/src/stacks/homelab
+
+
+echo "=== Removing deleted files"
+cd /home/neale/src/stacks/homelab
+find */ \
+| while read fn; do
+	if ! [ -e /etc/service/"$fn" ]; then
+		echo " - $fn"
+		rm -rf "$fn"
+	fi
+done
+
+
+echo "=== Waiting..."
+sleep 4h

homelab/sync.sh

@@ -1,11 +0,0 @@
-#! /bin/sh
-
-service=/host/etc/service
-if ! [ -d $service ]; then
-  echo "=== $service is not a directory" 1>&2
-  exit 1
-fi
-
-rsync -vaxp --delete \
-	--exclude=supervise/ \
-	$service/* .