initial commit

backup-systemonly.sh

@@ -0,0 +1,97 @@
+#!/bin/sh
+
+backup_name=systemonly
+backup_dir=/backups/borg/$backup_name/
+log_dir=/backups/log/
+unique_identifier=Manjaro18
+
+#########################################################################
+
+readonly backup_name
+readonly backup_dir
+readonly log_dir
+readonly unique_identifier
+
+# Setting this, so you won't be asked for your repository passphrase:
+export BORG_PASSPHRASE='d00x^UXryuEYTwPuZwQh'
+
+# Setting this, so the repo does not need to be given on the commandline:
+export BORG_REPO=$backup_dir
+
+# some helpers and error handling:
+log_file=$log_dir$backup_name-$(date +%d%m%Y-%H%M%S)
+readonly log_file
+
+# if borg is currently running - stop sync
+if [ $(pidof borg | wc -w) -eq 1 ]
+then
+  echo "Another Backup is currently running. Exiting." >> $log_file 2>&1
+  exit 2
+fi
+
+info() { printf "\n%s %s\n\n" "$( date )" "$*" >> $log_file 2>&1; }
+trap 'echo $( date ) Backup interrupted >> $log_file 2>&1; exit 2' INT TERM
+
+info "Starting backup" >> $log_file 2>&1
+
+# Backup the most important directories into an archive named after
+# the machine this script is currently running on:
+
+borg create                                             \
+    --verbose                                           \
+    --filter AME                                        \
+    --list                                              \
+    --stats                                             \
+    --show-rc                                           \
+    --compression zstd,1                                \
+    --exclude-caches                                    \
+    --exclude '/home/*/.cache/*'                        \
+    --exclude '/home/*/.local/share/Trash/*'            \
+    --exclude '/home/pratik/Downloads/Videos/*'         \
+    --exclude '/home/pratik/Downloads/Study/Video/*'    \
+    --exclude '/var/cache/*'                            \
+    --exclude '/var/tmp/*'                              \
+    --exclude "$backup_dir"                             \
+    --exclude "$log_file"                               \
+                                                        \
+    ::"$unique_identifier-$backup_name-{now}"           \
+    /etc                                                \
+    /root                                               \
+    /var                                                \
+    >> $log_file 2>&1                                   \
+
+backup_exit=$?
+
+info "Pruning repository" >> $log_file 2>&1
+
+# Use the `prune` subcommand to maintain 7 daily, 4 weekly and 6 monthly
+# archives of THIS machine. The '{hostname}-' prefix is very important to
+# limit prune's operation to this machine's archives and not apply to
+# other machines' archives also:
+
+borg prune                                       \
+    --list                                       \
+    --stats                                      \
+    --prefix "$unique_identifier-$backup_name-"  \
+    --show-rc                                    \
+    --keep-within 2d                             \
+    --keep-last 5                                \
+    --keep-daily 7                               \
+    >> $log_file 2>&1                            \
+
+prune_exit=$?
+
+# use highest exit code as global exit code
+global_exit=$(( backup_exit > prune_exit ? backup_exit : prune_exit ))
+
+if [ ${global_exit} -eq 1 ];
+then
+    info "Backup and/or Prune finished with a warning" >> $log_file 2>&1
+fi
+
+if [ ${global_exit} -gt 1 ];
+then
+    info "Backup and/or Prune finished with an error" >> $log_file 2>&1
+fi
+
+exit ${global_exit}