# Config file for Super Deluxe SquashFu Backup Express

# Show debugging information. This might be useful in the event
# you need to troubleshoot.
DEBUG=false

# Use color in informational output
COLOR=true

# The base directory where backups will go.
# This is the only directory that absolutely needs to be
# created by the user. All others will be created as needed
# by the actual backup (and inside this root).
BKUP_ROOT="/this/is/intentionally/a/bad/path"

# Location of the 
BINS_DIR="${BKUP_ROOT}/.bins"

# Mount directories for the union and the squash.
SQUASH_MOUNT="${BKUP_ROOT}/ro"
UNION_MOUNT="${BKUP_ROOT}/rw"

# Cheezy name, important file. This is a catalog of your incrementals.
# Bad things will happen if this file is corrupted or lost.
BINVENTORY="/var/lib/squashfu.inv"

# Filename for the seed generated. You shouldn't need
# to change this
SEED="${BKUP_ROOT}/$HOSTNAME-seed.sfs"

# The minimum number of incrementals Squashfu will maintain. In other
# words, if you set this to 10, you will always be able to roll back
# 10 backups.
MIN_BINS=5

# The maximum number of incremenetals Squashfu will maintain. When this
# number is reached, Squashfu will automatically merge the oldest
# incrementals until the MIN_BINS is reached. If you set your min and
# max to be the same value, Squashfu will recompress after every backup.
# Depending on how big your total backup size is, this may not be wise.
# Warning: Without recompiling aufs, there is a limit of 127 branches
# for an AUFS mount, which means you cannot exceed 127 MAX_BINS.
MAX_BINS=10

# Specify the rsync errors which, when encountered, will trigger
# squashfu to consider the backup to be invalid, and undo the changes
# it has already done. That is -- delete the newly allocated bin and
# update the inventory. See rsync's man page for details about the
# various exit codes.
# DEL_BIN_ON_FAIL=(1 2 3 10 11 12)
DEL_BIN_ON_FAIL=(1)

# These are the options that are passed directly to rsync.
# The -u flag is a necessity, or else incrementals will
# not be true incrementals. See 'man rsync' for more info.
RSYNC_OPTS=("-Rua" "--delete" "--stats")

# Select compression algorithm.
# Available options: gzip, lzo, lz4, xz, zstd, lzma
# For details, see mksquashfs manpage.
COMPRESSION_ALGO="zstd"

# Add options for compression algorithm.
# For zstd, only compression level is configurable.
# For other compression algorithms, see mksquashfs manpage.
COMPRESSION_ARGS=("-Xcompression-level" 15)

# The following defines what will and won't be backed up. These are
# simply Bash arrays and are interpreted as such.

INCLUDES=(
/home
/etc
/usr
/var
) #end includes

EXCLUDES=(
/lost+found
/var/log
) #end excludes