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Fix user option bug

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This commit is contained in:
daniele 2015-12-03 19:50:27 +01:00
parent a708ec80ca
commit 898ef3bcd9
1 changed files with 113 additions and 162 deletions
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275
simple_backup
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@ -15,7 +15,7 @@
#You should have received a copy of the GNU General Public License
#along with this program. If not, see <http://www.gnu.org/licenses/>.
#Version 1.2.1
#Version 1.2.2
#Simple backup script. Reads options, sources and destination from a configuration file or standard input
#Help function
@ -37,9 +37,11 @@ function help_function {
echo " Default: keep all."
echo "-u, --user USER User performing the backup."
echo " Default: current user."
echo " WARNING: This currently doesn't work with"
echo " other options!"
echo ""
echo "If no option is given, the program uses the default"
echo "configuration file: $HOME/.simple_backup/config."
echo "configuration file: $HOMEDIR/.simple_backup/config."
echo ""
echo "Report bugs to dfucini@gmail.com"
exit 0
@ -48,28 +50,35 @@ function help_function {
#Read configuration file
function read_conf {
if [[ "$#" -eq 0 ]]; then
CONFIG="$HOME/.simple_backup/config"
CONFIG="$HOMEDIR/.simple_backup/config"
if [[ ! -f "$CONFIG" ]]; then
#If default config file doesn't exist, exit
echo "$(date): Backup failed (see errors.log)" >> $LOG
echo "Error: Configuration file not found" | tee $ERR
#If libnotify is installed, show desktop notification that backup failed
! command -v notify-send > /dev/null 2>&1 || DISPLAY=:0.0 notify-send -u low -t 10000 "Backup failed"
mv $LOG "$HOMEDIR/.simple_backup/simple_backup.log"
mv $ERR "$HOMEDIR/.simple_backup/errors.log"
mv $WARN "$HOMEDIR/.simple_backup/warnings.log"
exit 1
fi
else
CONFIG="$1"
if [[ ! -f "$CONFIG" ]]; then
#If the provided configuration file doesn't exist, exit
echo "$(date): Backup failed (see errors.log)" >> $HOME/.simple_backup/simple_backup.log
echo "Error: Configuration file not found" | tee -a $HOME/.simple_backup/errors.log
echo "$(date): Backup failed (see errors.log)" >> $LOG
echo "Error: Configuration file not found" | tee -a $ERR
#If libnotify is installed, show desktop notification that backup failed
! command -v notify-send > /dev/null 2>&1 || DISPLAY=:0.0 notify-send -u low -t 10000 "Backup failed"
if [[ -f $HOME/.simple_backup/simple_backup.log.old ]]; then
rm -f $HOME/.simple_backup/simple_backup.log.old
fi
if [[ -f $HOME/.simple_backup/errors.log.old ]]; then
rm -f $HOME/.simple_backup/errors.log.old
fi
if [[ -f $HOME/.simple_backup/warnings.log.old ]]; then
rm -f $HOME/.simple_backup/warnings.log.old
fi
mv $LOG "$HOMEDIR/.simple_backup/simple_backup.log"
mv $ERR "$HOMEDIR/.simple_backup/errors.log"
mv $WARN "$HOMEDIR/.simple_backup/warnings.log"
exit 1
fi
@ -84,7 +93,7 @@ function read_conf {
#Parse the configuration file
awk -v INPUTS="$INPUTS" -v EXCLUDE="$EXCLUDE" -v BACKUP="$BACKUP" \
-v NKEEP="$NKEEP" -v UHOME="$HOME/" -F '[=,]' \
-v NKEEP="$NKEEP" -v UHOME="$HOMEDIR/" -F '[=,]' \
'$1=="inputs" { for ( i=2; i<=NF; i++ ) { sub(/^~\//,UHOME,$i); print $i > INPUTS } }
$1=="backup_dir" { sub(/^~\//,UHOME,$2); print $2 > BACKUP }
$1=="exclude" { for ( i=2; i<=NF; i++ ) { sub(/^~\//,UHOME,$i); print $i > EXCLUDE } }
@ -98,22 +107,14 @@ function read_conf {
if [[ -z "$BACKUP_DEV" || ! -d "$BACKUP_DEV" ]]; then
#If the backup directory is not set or doesn't exist, exit
echo "$(date): Backup failed (see errors.log)" >> $HOME/.simple_backup/simple_backup.log
echo "Error: Output folder \"$BACKUP_DEV\" not found" | tee -a $HOME/.simple_backup/errors.log
echo "$(date): Backup failed (see errors.log)" >> $LOG
echo "Error: Output folder \"$BACKUP_DEV\" not found" | tee -a $ERR
#If libnotify is installed, show desktop notification that backup failed
! command -v notify-send > /dev/null 2>&1 || DISPLAY=:0.0 notify-send -u low -t 10000 "Backup failed"
if [[ -f $HOME/.simple_backup/simple_backup.log.old ]]; then
rm -f $HOME/.simple_backup/simple_backup.log.old
fi
if [[ -f $HOME/.simple_backup/errors.log.old ]]; then
rm -f $HOME/.simple_backup/errors.log.old
fi
if [[ -f $HOME/.simple_backup/warnings.log.old ]]; then
rm -f $HOME/.simple_backup/warnings.log.old
fi
mv $LOG "$HOMEDIR/.simple_backup/simple_backup.log"
mv $ERR "$HOMEDIR/.simple_backup/errors.log"
mv $WARN "$HOMEDIR/.simple_backup/warnings.log"
rm "$INPUTS"
rm "$EXCLUDE"
@ -159,18 +160,6 @@ function parse_options {
-h | --help)
help_function
if [[ -f $HOME/.simple_backup/simple_backup.log.old ]]; then
mv -f $HOME/.simple_backup/simple_backup.log.old $HOME/.simple_backup/simple_backup.log
fi
if [[ -f $HOME/.simple_backup/errors.log.old ]]; then
mv -f $HOME/.simple_backup/errors.log.old $HOME/.simple_backup/errors.log
fi
if [[ -f $HOME/.simple_backup/warnings.log.old ]]; then
mv -f $HOME/.simple_backup/warnings.log.old $HOME/.simple_backup/warnings.log
fi
rm $INPUTS
rm $EXCLUDE
@ -184,28 +173,23 @@ function parse_options {
input="$2"
if [[ -z "$input" ]]; then
echo "$(date): Backup failed (see errors.log)" >> $HOME/.simple_backup/simple_backup.log
echo "Error: bad options format" | tee -a $HOME/.simple_backup/errors.log
echo "$(date): Backup failed (see errors.log)" >> $LOG
echo "Error: bad options format" | tee -a $ERR
#If libnotify is installed, show desktop notification that backup failed
! command -v notify-send > /dev/null 2>&1 || DISPLAY=:0.0 notify-send -u low -t 10000 "Backup failed"
if [[ -f $HOME/.simple_backup/simple_backup.log.old ]]; then
rm -f $HOME/.simple_backup/simple_backup.log.old
fi
mv $LOG "$HOMEDIR/.simple_backup/simple_backup.log"
mv $ERR "$HOMEDIR/.simple_backup/errors.log"
mv $WARN "$HOMEDIR/.simple_backup/warnings.log"
if [[ -f $HOME/.simple_backup/errors.log.old ]]; then
rm -f $HOME/.simple_backup/errors.log.old
fi
if [[ -f $HOME/.simple_backup/warnings.log.old ]]; then
rm -f $HOME/.simple_backup/warnings.log.old
fi
rm $INPUTS
rm $EXCLUDE
exit 1
fi
if [[ ! -e "$input" ]]; then
echo "Warning: input \"${INPUTS[$i]}\" not found. Skipping" | tee -a $HOME/.simple_backup/warnings.log
echo "Warning: input \"${INPUTS[$i]}\" not found. Skipping" | tee -a $WARN
else
i=$((i+1))
n_in=$((n_in+1))
@ -221,22 +205,17 @@ function parse_options {
BACKUP_DEV="$2"
if [[ -z "$BACKUP_DEV" || ! -d "$BACKUP_DEV" ]]; then
echo "$(date): Backup failed (see errors.log)" >> $HOME/.simple_backup/simple_backup.log
echo "Error: output folder \"$BACKUP_DEV\" not found" | tee -a $HOME/.simple_backup/errors.log
echo "$(date): Backup failed (see errors.log)" >> $LOG
echo "Error: output folder \"$BACKUP_DEV\" not found" | tee -a $ERR
#If libnotify is installed, show desktop notification that backup failed
! command -v notify-send > /dev/null 2>&1 || DISPLAY=:0.0 notify-send -u low -t 10000 "Backup failed"
if [[ -f $HOME/.simple_backup/simple_backup.log.old ]]; then
rm -f $HOME/.simple_backup/simple_backup.log.old
fi
mv $LOG "$HOMEDIR/.simple_backup/simple_backup.log"
mv $ERR "$HOMEDIR/.simple_backup/errors.log"
mv $WARN "$HOMEDIR/.simple_backup/warnings.log"
if [[ -f $HOME/.simple_backup/errors.log.old ]]; then
rm -f $HOME/.simple_backup/errors.log.old
fi
if [[ -f $HOME/.simple_backup/warnings.log.old ]]; then
rm -f $HOME/.simple_backup/warnings.log.old
fi
rm $INPUTS
rm $EXCLUDES
exit 1
fi
@ -282,28 +261,47 @@ function parse_options {
-u | --user)
rm "$EXCLUDE"
rm "$INPUTS"
if [[ ! -d "/home/$2" ]]; then
echo "$(date): Backup failed (see errors.log)" >> $LOG
echo "Error: user $2 doesn't exist" | tee -a $ERR
#If libnotify is installed, show desktop notification that backup failed
! command -v notify-send > /dev/null 2>&1 || DISPLAY=:0.0 notify-send -u low -t 10000 "Backup failed"
mv $LOG "HOMEDIR/.simple_backup/simple_backup.log"
mv $ERR "HOMEDIR/.simple_bakup/errors.log"
mv $WARN "HOMEDIR/.simple_backup/warnings.log"
exit 1
fi
if [[ ! -d "/home/$2/.simple_backup" ]]; then
mkdir "/home/$2/.simple_backup"
echo "Created directory \"$HOMEDIR/.simple_backup\"."
echo "Copy there sample configuration and edit it"
echo "to your needs before running the backup."
exit 1
fi
HOMEDIR="/home/$2"
config="/home/$2/.simple_backup/config"
read_conf "$config"
return
;;
*)
echo "$(date): Backup failed (see errors.log)" >> $HOME/.simple_backup/simple_backup.log
echo "Error: Option $1 not recognised. Use 'simple-backup -h' to see available options" | tee -a $HOME/.simple_backup/errors.log
echo "$(date): Backup failed (see errors.log)" >> $LOG
echo "Error: Option $1 not recognised. Use 'simple-backup -h' to see available options" | tee -a $ERR
#If libnotify is installed, show desktop notification that backup failed
! command -v notify-send > /dev/null 2>&1 || DISPLAY=:0.0 notify-send -u low -t 10000 "Backup failed"
if [[ -f $HOME/.simple_backup/simple_backup.log.old ]]; then
rm -f $HOME/.simple_backup/simple_backup.log.old
fi
if [[ -f $HOME/.simple_backup/errors.log.old ]]; then
rm -f $HOME/.simple_backup/errors.log.old
fi
if [[ -f $HOME/.simple_backup/warnings.log.old ]]; then
rm -f $HOME/.simple_backup/warnings.log.old
fi
mv $LOG "$HOMEDIR/.simple_backup/simple_backup.log"
mv $ERR "$HOMEDIR/.simple_backup/errors.log"
mv $WARN "$HOMEDIR/.simple_backup/warnings.log"
exit 1
;;
@ -315,83 +313,44 @@ function parse_options {
return
}
#Create HOME/.simple_backup if it doesn't exist
if [[ ! -d "$HOME/.simple_backup" ]]; then
mkdir "$HOME/.simple_backup"
fi
#Create temporary log files
LOG=$(mktemp)
ERR=$(mktemp)
WARN=$(mktemp)
HOMEDIR="$HOME"
#Check number of parameters
if [[ "$#" -lt 1 ]]; then
#Read parameters from configuration file
default_config=1
else
default_config=0
fi
if [[ "$#" -eq 0 ]]; then
if [[ ! -d "$HOMEDIR/.simple_backup" ]]; then
mkdir "$HOMEDIR/.simple_backup"
#Backup old log files
if [[ -f $HOME/.simple_backup/simple_backup.log ]]; then
mv -f $HOME/.simple_backup/simple_backup.log $HOME/.simple_backup/simple_backup.log.old
fi
echo "Created directory \"$HOMEDIR/.simple_backup\"."
echo "Copy there sample configuration and edit it"
echo "to your needs before running the backup."
if [[ -f $HOME/.simple_backup/errors.log ]]; then
mv -f $HOME/.simple_backup/errors.log $HOME/.simple_backup/errors.log.old
fi
if [[ -f $HOME/.simple_backup/warnings.log ]]; then
mv -f $HOME/.simple_backup/warnings.log $HOME/.simple_backup/warnings.log.old
fi
#If no input parameter is given, check existence of config file
if [[ $default_config -eq 1 && ! -f $HOME/.simple_backup/config ]]; then
#If no config file and input parameter is given, exit
echo "$(date): Backup failed (see errors.log)" >> $HOME/.simple_backup/simple_backup.log
echo "Error: Configuration file not found" | tee $HOME/.simple_backup/errors.log
#If libnotify is installed, show desktop notification that backup failed
! command -v notify-send > /dev/null 2>&1 || DISPLAY=:0.0 notify-send -u low -t 10000 "Backup failed"
if [[ -f $HOME/.simple_backup/simple_backup.log.old ]]; then
rm -f $HOME/.simple_backup/simple_backup.log.old
exit 1
fi
if [[ -f $HOME/.simple_backup/errors.log.old ]]; then
rm -f $HOME/.simple_backup/errors.log.old
fi
if [[ -f $HOME/.simple_backup/warnings.log.old ]]; then
rm -f $HOME/.simple_backup/warnings.log.old
fi
exit 1
elif [[ $default_config -eq 1 && -f $HOME/.simple_backup/config ]]; then
#Read configuration file
read_conf
else
#Parse command line arguments
parse_options "$@"
parse_options $@
fi
if [[ -z $n_in || $n_in -eq 0 ]]; then
echo "$(date): Backup finished (no files copied)" >> $HOME/.simple_backup/simple_backup.log
echo "Warning: no valid input selected. Nothing to do" | tee -a $HOME/.simple_backup/warnings.log
echo "$(date): Backup finished (no files copied)" >> $LOG
echo "Warning: no valid input selected. Nothing to do" | tee -a $WARN
#If libnotify is installed, show desktop notification that backup finished
! command -v notify-send > /dev/null 2>&1 || DISPLAY=:0.0 notify-send -u low -t 10000 "Backup finished (warnings)"
if [[ -f $HOME/.simple_backup/simple_backup.log.old ]]; then
rm -f $HOME/.simple_backup/simple_backup.log.old
fi
if [[ -f $HOME/.simple_backup/errors.log.old ]]; then
rm -f $HOME/.simple_backup/errors.log.old
fi
if [[ -f $HOME/.simple_backup/warnings.log.old ]]; then
rm -f $HOME/.simple_backup/warnings.log.old
fi
mv $LOG "$HOMEDIR/.simple_backup/simple_backup.log"
mv $ERR "$HOMEDIR/.simple_backup/errors.log"
mv $WARN "$HOMEDIR/.simple_backup/warnings.log"
exit 0
fi
echo "$(date): Starting backup" > $HOME/.simple_backup/simple_backup.log
echo "$(date): Starting backup" > $LOG
#If libnotify is installed, show desktop notification that backup is starting
! command -v notify-send > /dev/null 2>&1 || DISPLAY=:0.0 notify-send -u low -t 10000 "Starting backup"
@ -401,14 +360,14 @@ if [[ -n $KEEP ]]; then
N_BACKUP=$(($N_BACKUP-1))
if [[ $N_BACKUP -gt $KEEP ]]; then
echo "$(date): Removing old backups..." >> $HOME/.simple_backup/simple_backup.log
echo "$(date): Removing old backups..." >> $LOG
REMOVE=$(mktemp)
find $BACKUP_DEV/simple_backup/* -maxdepth 0 -type d | sort | head -n $(($N_BACKUP - $KEEP)) >> $REMOVE
while read line
do
rm -r $line
echo "Removed backup: $line" >> $HOME/.simple_backup/simple_backup.log
echo "Removed backup: $line" >> $LOG
done<$REMOVE
rm $REMOVE
@ -422,23 +381,27 @@ if [[ ! -z "$INPUTS" ]]; then
fi
if [[ -z "$LAST_BACKUP" ]]; then
rsync -acrv -H -X -R --exclude-from="$EXCLUDE" --files-from="$INPUTS" / "$BACKUP_DIR" --ignore-missing-args >> "$HOME/.simple_backup/simple_backup.log" 2>> "$HOME/.simple_backup/errors.log"
rsync -acrv -H -X -R --exclude-from="$EXCLUDE" --files-from="$INPUTS" / "$BACKUP_DIR" --ignore-missing-args >> $LOG 2>> $ERR
else
rsync -acrv -H -X -R --link-dest="$LAST_BACKUP" --exclude-from="$EXCLUDE" --files-from="$INPUTS" / "$BACKUP_DIR" --ignore-missing-args >> "$HOME/.simple_backup/simple_backup.log" 2>> "$HOME/.simple_backup/errors.log"
rsync -acrv -H -X -R --link-dest="$LAST_BACKUP" --exclude-from="$EXCLUDE" --files-from="$INPUTS" / "$BACKUP_DIR" --ignore-missing-args >> $LOG 2>> $ERR
fi
#Update the logs
if [[ -f $HOME/.simple_backup/errors.log && $(cat $HOME/.simple_backup/errors.log | wc -l) -gt 0 ]]; then
echo "$(date): Backup finished with errors" >> $HOME/.simple_backup/simple_backup.log
if [[ $(cat $ERR | wc -l) -gt 0 ]]; then
echo "$(date): Backup finished with errors" >> $LOG
error_flag=1
elif [[ -f $HOME/.simple_backup/warnings.log && $(cat $HOME/.simple_backup/warnings.log | wc -l) -gt 0 ]]; then
echo "$(date): Backup finished with warnings" >> $HOME/.simple_backup/simple_backup.log
elif [[ $(cat $WARN | wc -l) -gt 0 ]]; then
echo "$(date): Backup finished with warnings" >> $LOG
error_flag=2
else
echo "$(date): Backup finished" >> $HOME/.simple_backup/simple_backup.log
echo "$(date): Backup finished" >> $LOG
error_flag=0
fi
mv $LOG "$HOMEDIR/.simple_backup/simple_backup.log"
mv $ERR "$HOMEDIR/.simple_backup/errors.log"
mv $WARN "$HOMEDIR/.simple_backup/warnings.log"
if [[ ! -z "$EXCLUDE" ]]; then
rm "$EXCLUDE"
fi
@ -462,16 +425,4 @@ else
! command -v notify-send > /dev/null 2>&1 || DISPLAY=:0.0 notify-send -u low -t 10000 "Backup finished (warnings)"
fi
if [[ -f $HOME/.simple_backup/simple_backup.log.old ]]; then
rm -f $HOME/.simple_backup/simple_backup.log.old
fi
if [[ -f $HOME/.simple_backup/errors.log.old ]]; then
rm -f $HOME/.simple_backup/errors.log.old
fi
if [[ -f $HOME/.simple_backup/warnings.log.old ]]; then
rm -f $HOME/.simple_backup/warnings.log.old
fi
exit 0