74 lines
2.0 KiB
Bash
Executable File
74 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
|
|
#
|
|
# Bashup - A set of bash scripts for managing backups.
|
|
# https://git.stack-source.com/msb/bashup
|
|
# MIT License Copyright (c) 2021 Matthew Saunders Brown
|
|
|
|
# load include file
|
|
source $(dirname $0)/bashup.sh
|
|
|
|
bashup::set-retention_array
|
|
bashup::set-existing_backups
|
|
|
|
# create backup for today
|
|
if [[ " ${retention_array[@]} " =~ " ${today} " ]]; then
|
|
|
|
# create backup (date) dir if it doesn't already exist
|
|
if [[ ! -d "$backup_storage_dir/$today" ]]; then
|
|
|
|
mkdir $backup_storage_dir/$today
|
|
|
|
fi
|
|
|
|
# only proceed if files have not already been backed up
|
|
if [[ ! -d "$backup_storage_dir/$today/files" ]]; then
|
|
|
|
# create files backup dir
|
|
mkdir $backup_storage_dir/$today/files
|
|
|
|
for dir in "${backup_dirs[@]}"; do
|
|
|
|
#only proceed if source dir exits
|
|
if [[ -d $dir ]]; then
|
|
|
|
# only proceed if dir has not already been backed up
|
|
if [[ ! -d $backup_storage_dir/$today/files$dir ]]; then
|
|
|
|
# check if existing_backups is not empty, and if so if the dir to back up exists in the previous backup
|
|
if [[ ${existing_backups[@]} && -d $backup_storage_dir/${existing_backups[-1]}/files$dir ]]; then
|
|
|
|
# make parent destination dir, if it doesn't exist
|
|
if [[ ! -d $backup_storage_dir/$today/files`dirname $dir` ]]; then
|
|
|
|
mkdir -p $backup_storage_dir/$today/files`dirname $dir`
|
|
|
|
fi
|
|
|
|
# create a hard-link copy of the backup before doing rsync
|
|
cp --archive --link $backup_storage_dir/${existing_backups[-1]}/files$dir $backup_storage_dir/$today/files$dir
|
|
|
|
fi
|
|
|
|
# backup up files with rsync, updating existing hard link copy if it exists
|
|
rsync --relative --archive --numeric-ids --one-file-system --delete $dir $backup_storage_dir/$today/files
|
|
|
|
fi
|
|
|
|
else
|
|
|
|
echo "NOTICE: Dir $dir does not exist, can not perform backup."
|
|
|
|
fi
|
|
|
|
done
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
bashup::remove_expired_backups files
|
|
bashup::unmount_storage_dir
|
|
|
|
exit 0
|
|
|