Inaugural public version, suitable for mass ridicule or pity.

COPYING

@@ -0,0 +1,5 @@
+
+Copyright D. Joe Anderson 2019
+
+Available for use under GPL version 2 or any later GPL version.
+

README.md

@@ -0,0 +1,14 @@
+
+# Snap and rotate
+
+## Crude rotating rsync-based backup
+
+This will probably destroy your data horribly so please use with caution.
+
+I'm so behind-the-times I run it with cron.
+
+[Mike Rubel was inspirational](http://mikerubel.org/computers/rsync_snapshots/) 
+in his description of using rsync for backups.
+
+He is not to blame for my poorly-considered implementation.
+

snap-and-rotate

@@ -0,0 +1,55 @@
+#!/bin/bash
+
+# Log the start
+
+/usr/bin/logger Starting snap-and-rotate
+
+# I start an ssh-agent, hand it a key, and put its env variables in agent-info
+
+source $HOME/agent-info
+
+
+# remote host ssh is running on a non-standard port
+# security through security is a mug's game, kids, but 
+# it keeps my logs cleaner
+
+REMPORT=6666
+
+# exclude what you want. I have a chroot running from which I want to exclude certain things
+
+/usr/bin/rsync -e "ssh -p$REMPORT" -vaSHP \
+--exclude 'chroot/home/remuser/scratch' \
+--exclude 'chroot/proc' \
+--exclude 'chroot/sys' \
+--exclude 'chroot/dev' \
+--delete  \
+root@myvps.example.com:/mnt/sda/ $HOME/scratch/snapshot/myvps/snapshot/
+
+# Yes, as root. I know, I'm a monster unfit for human company.
+
+# Also, remote host has drive I want bind mounted on /mnt/sda. 
+# You need to figure out how you want to deal with this yourself.
+
+# Wasteful, but whatever
+
+rm -rf $HOME/scratch/snapshot/myvps/daily/$(date +%d)
+
+# Also wasteful. Meh.
+
+cp -al $HOME/scratch/snapshot/myvps/snapshot \
+       $HOME/scratch/snapshot/myvps/daily/$(date +%d)
+
+# Monthlies, yay. 
+# Script should check for and create subdirs if necessary, probably.
+
+if [ $(date +%d) -eq 17 ]; then
+     cp -al $HOME/scratch/snapshot/myvps/daily/15 \
+            $HOME/scratch/snapshot/myvps/monthly/from-the-15th/$(date +%m)
+fi
+
+# rm, cp, and date above should all be given full paths probably
+
+/usr/bin/logger Finished snap-and-rotate
+
+# Log the end.  The End.
+