diff options
Diffstat (limited to 'bin/backup')
| -rwxr-xr-x | bin/backup | 57 |
1 files changed, 33 insertions, 24 deletions
@@ -1,38 +1,47 @@ #!/bin/sh -# Incremental backup using rsync(1). -backup() { - date=$(date +%Y%m%d_%H%M%S) - last=$(rsync --list-only "$dest/" 2>/dev/null | awk '{r=$NF} END {print r}') +usage() { + echo "Usage: $0 [-nv] [[[user@]host]:dir] - case $last in - ([12]*) opt_link=--link-dest=../$last;; - (*) opt_link=;; - esac +Incremental backup using rsync(1). If run as root, a full system +backup is performed. Otherwise, the user's home directory is backed. - rsync -HSxa$optv --exclude-from=$ignore $opt_link $volumes "$dest/$date" -} +Options: +-n dry-run +-v verbose -dest=/.history -ignore=/etc/backupignore -volumes='/ /boot' +Files: +- $HOME/.backupignore exclude files from user backup (non root) +- /etc/backupignore exclude files from system backup (root) + +Environment: +- BACKUP backup directory" +} -while getopts :d:i:nuv opt; do +while getopts :nv opt; do case $opt in - (d) dest="$OPTARG" ;; - (i) ignore="$OPTARG" ;; (n|v) optv="$opt$optv" ;; - (u) optu=1 volumes="$HOME" ignore="$HOME/.backupignore" ;; - (*) echo "Usage: $0 [-nuv] [-d [[user@]host:]dir] [clean|diff]"; exit 1 ;; + (*) usage; exit 1 ;; esac done shift $((OPTIND - 1)) -[ "$optu" ] || [ "$USER" = root ] || exec sudo "$0" "$@" +BACKUP=${1:-$BACKUP} +[ "$BACKUP" ] || { usage; exit 1; } -[ "$1" ] && cmd=$1 && shift || cmd="" -case $cmd in -(""|save) backup ;; -(clean) exec backup-clean ${optv+-$optv} "$@" "$dest";; -(diff) exec diffdir "$@";; +[ "$USER" = root ] && + ignore=/etc/backupignore volumes='/ /boot' || + ignore="$HOME/.backupignore" volumes="$HOME" +[ -f "$ignore" ] && ignore="--exclude-from=$ignore" || ignore= + +last=$(rsync --list-only "$BACKUP/" 2>/dev/null | awk '{r=$NF} END {print r}') +case $last in +([12]*) opt_link=--link-dest=../$last;; +(*) opt_link=;; esac + +date=$(date +%Y-%m-%d-%H%M%S) + +[ "$optv" ] && echo "# Backup $volumes to $BACKUP/$date" + +exec rsync -HSxa$optv $ignore $opt_link $volumes "$BACKUP/$date" |