Add borg backup script

arch-desktop_borg.sh

@@ -0,0 +1,78 @@
+#!/bin/sh
+
+# Setting this so the repo does not need to be given on the command line:
+BORG_REPO=ssh://flyingscorpio@2px.mooo.com:22/~/"$(hostname)".borg
+export BORG_REPO
+
+export BORG_PASSPHRASE='ribosome66'
+
+# some helpers and error handling:
+info() { printf "\n%s %s\n\n" "$(date)" "$*" >&2; }
+trap 'echo $(date) Backup interrupted >&2; exit 2' INT TERM
+
+info "Starting backup"
+
+# Backup the most important directories into an archive named after
+# the machine this script is currently running on:
+borg create                     	 \
+  --verbose                     	 \
+  --filter AME                  	 \
+  --list                        	 \
+  --stats                       	 \
+  --show-rc                     	 \
+  --compression lz4             	 \
+  --exclude-caches              	 \
+  --exclude '/home/*/.*/*'  	 	 \
+  --exclude '/home/*/.*'  	 	 \
+  --exclude '/home/*/builds/*'    	 \
+  --exclude '/home/*/github_dotfiles/*'  \
+  --exclude '/home/*/github_misc/*'  	 \
+  --exclude '/home/*/Keepass/*' 	 \
+  --exclude '/home/*/Lessons/*' 	 \
+  --exclude '/home/*/Music/*'	 	 \
+  --exclude '/home/*/PersonnalScripts/*' \
+  --exclude '/home/*/RootMe/*'	 	 \
+  --exclude '/home/*/SetupCockpit/*'	 \
+  --exclude '/home/*/SRC/*'	 	 \
+  --exclude '/home/*/VirtualBox VMs/*'	 \
+  --exclude '/home/*/Videos/*'	 	 \
+  --exclude '/var/cache/*'      	 \
+  --exclude '/var/log/*'      	 	 \
+  --exclude '/var/tmp/*'        	 \
+                                	 \
+  ::'{hostname}-{now}'          	 \
+  /etc                          	 \
+  /home                         	 \
+  /root                         	 \
+  /var                          	 \
+
+backup_exit=$?
+
+info "Pruning repository"
+
+# Use the `prune` subcommand to maintain 7 daily, 4 weekly and 6 monthly
+# archives of THIS machine. The '{hostname}-' prefix is very important to
+# limit prune's operation to this machine's archives and not apply to
+# other machines' archives also:
+borg prune                      \
+  --list                        \
+  --prefix '{hostname}-'        \
+  --show-rc                     \
+  --keep-daily    7             \
+  --keep-weekly   4             \
+  --keep-monthly  6             \
+
+prune_exit=$?
+
+# Use highest exit code as global exit code
+global_exit=$(( backup_exit > prune_exit ? backup_exit : prune_exit ))
+
+if [ ${global_exit} -eq 0 ]; then
+  info "Backup and Prune finished succesfully"
+elif [ ${global_exit} -eq 1 ]; then
+  info "Backup and/or Prune finished with warnings"
+else
+  info "Backup and/or Prune finished with errors"
+fi
+
+exit ${global_exit}