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Merge branch 'master' of https://github.com/laurent22/rsync-time-backup

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Conflicts:
	rsync_tmbackup.sh
This commit is contained in:
Laurent Cozic 2013-11-12 15:31:20 +08:00
commit 1f5aabc31f
1 changed files with 24 additions and 14 deletions
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38
rsync_tmbackup.sh
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@ -5,15 +5,15 @@
# -----------------------------------------------------------------------------
fn_log_info() {
echo "[RB INFO] $1"
echo "rsync_tmbackup: $1"
}
fn_log_warn() {
echo "[RB WARN] $1"
echo "rsync_tmbackup: [WARNING] $1"
}
fn_log_error() {
echo "[RB ERROR] $1"
echo "rsync_tmbackup: [ERROR] $1"
}
# -----------------------------------------------------------------------------
@ -21,7 +21,7 @@ fn_log_error() {
# -----------------------------------------------------------------------------
fn_terminate_script() {
echo "SIGINT caught"
echo "rsync_tmbackup: SIGINT caught."
exit 1
}
@ -35,6 +35,13 @@ SRC_FOLDER=${1%/}
DEST_FOLDER=${2%/}
EXCLUSION_FILE=$3
for arg in "$SRC_FOLDER" "$DEST_FOLDER" "$EXCLUSION_FILE"; do
if [[ "$arg" == *"'"* ]]; then
fn_log_error 'Arguments may not have any single quote characters.'
exit 1
fi
done
# -----------------------------------------------------------------------------
# Check that the destination drive is a backup drive
# -----------------------------------------------------------------------------
@ -72,7 +79,7 @@ NOW=$(date +"%Y-%m-%d-%H%M%S")
PROFILE_FOLDER="$HOME/.rsync_tmbackup"
LOG_FILE="$PROFILE_FOLDER/$NOW.log"
DEST=$DEST_FOLDER/$NOW
LAST_TIME=$(ls -1 $DEST_FOLDER | grep "$BACKUP_FOLDER_PATTERN" | tail -n 1)
LAST_TIME=$(ls -1 -- "$DEST_FOLDER" | grep "$BACKUP_FOLDER_PATTERN" | tail -n 1)
PREVIOUS_DEST=$DEST_FOLDER/$LAST_TIME
INPROGRESS_FILE=$DEST_FOLDER/backup.inprogress
@ -94,10 +101,10 @@ if [ -f "$INPROGRESS_FILE" ]; then
# - Last backup is moved to current backup folder so that it can be resumed.
# - 2nd to last backup becomes last backup.
fn_log_info "$INPROGRESS_FILE already exists - the previous backup failed or was interrupted. Backup will resume from there."
LINE_COUNT=$(ls -1 $DEST_FOLDER | grep "$BACKUP_FOLDER_PATTERN" | tail -n 2 | wc -l)
mv $PREVIOUS_DEST $DEST
LINE_COUNT=$(ls -1 -- "$DEST_FOLDER" | grep "$BACKUP_FOLDER_PATTERN" | tail -n 2 | wc -l)
mv -- "$PREVIOUS_DEST" "$DEST"
if [ "$LINE_COUNT" -gt 1 ]; then
SECOND_LAST_TIME=$(ls -1 $DEST_FOLDER | grep "$BACKUP_FOLDER_PATTERN" | tail -n 2 | head -n 1)
SECOND_LAST_TIME=$(ls -1 -- "$DEST_FOLDER" | grep "$BACKUP_FOLDER_PATTERN" | tail -n 2 | head -n 1)
LAST_TIME=$SECOND_LAST_TIME
else
LAST_TIME=""
@ -119,7 +126,7 @@ while [ "1" ]; do
else
# If the path is relative, it needs to be relative to the destination. To keep
# it simple, just use an absolute path. See http://serverfault.com/a/210058/118679
PREVIOUS_DEST=`cd \`dirname "$PREVIOUS_DEST"\`; pwd`"/"`basename "$PREVIOUS_DEST"`
PREVIOUS_DEST=`cd \`dirname -- "$PREVIOUS_DEST"\`; pwd`"/"`basename -- "$PREVIOUS_DEST"`
fn_log_info "Previous backup found - doing incremental backup from $PREVIOUS_DEST"
LINK_DEST_OPTION="--link-dest=$PREVIOUS_DEST"
fi
@ -130,7 +137,7 @@ while [ "1" ]; do
if [ ! -d "$DEST" ]; then
fn_log_info "Creating destination $DEST"
mkdir -p $DEST
mkdir -p -- "$DEST"
fi
# -----------------------------------------------------------------------------
@ -156,16 +163,17 @@ while [ "1" ]; do
CMD="$CMD --verbose"
CMD="$CMD --log-file '$LOG_FILE'"
if [ "$EXCLUSION_FILE" != "" ]; then
CMD="$CMD --exclude-from \"$EXCLUSION_FILE\""
# We've already checked that $EXCLUSION_FILE doesn't contain a single quote
CMD="$CMD --exclude-from '$EXCLUSION_FILE'"
fi
CMD="$CMD $LINK_DEST_OPTION"
CMD="$CMD $SRC_FOLDER/ $DEST/"
CMD="$CMD -- '$SRC_FOLDER/' '$DEST/'"
CMD="$CMD | grep -E '^deleting|[^/]$'"
fn_log_info "Running command:"
fn_log_info "$CMD"
touch $INPROGRESS_FILE
touch -- "$INPROGRESS_FILE"
eval $CMD
RSYNC_EXIT_CODE=$?
@ -185,6 +193,7 @@ while [ "1" ]; do
rm -- "$LOG_FILE"
if [ "$NO_SPACE_LEFT" == "0" ]; then
# TODO: -y flag
read -p "It looks like there is no space left on the destination. Delete old backup? (Y/n) " yn
case $yn in
[Nn]* ) exit 0;;
@ -225,7 +234,8 @@ while [ "1" ]; do
exit $RSYNC_EXIT_CODE
fi
rm $INPROGRESS_FILE
rm -- "$INPROGRESS_FILE"
# TODO: grep for "^rsync error:.*$" in log
fn_log_info "Backup completed without errors."
exit 0
done