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Implement fn_find_backups to reduce code duplication.

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Robert Bruce Park 2013-11-13 10:16:27 -08:00
parent 72df5bf33e
commit 32e71ce9aa
1 changed files with 10 additions and 4 deletions
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14
rsync_tmbackup.sh
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@ -78,12 +78,17 @@ fi
# Setup additional variables # Setup additional variables
# ----------------------------------------------------------------------------- # -----------------------------------------------------------------------------
fn_find_backups() {
find "$DEST_FOLDER" -type d -name "$BACKUP_FOLDER_PATTERN" -prune
}
export IFS=$'\n' # Better for handling spaces in filenames.
BACKUP_FOLDER_PATTERN=????-??-??-?????? BACKUP_FOLDER_PATTERN=????-??-??-??????
NOW=$(date +"%Y-%m-%d-%H%M%S") NOW=$(date +"%Y-%m-%d-%H%M%S")
PROFILE_FOLDER="$HOME/.rsync_tmbackup" PROFILE_FOLDER="$HOME/.rsync_tmbackup"
LOG_FILE="$PROFILE_FOLDER/$NOW.log" LOG_FILE="$PROFILE_FOLDER/$NOW.log"
DEST=$DEST_FOLDER/$NOW DEST=$DEST_FOLDER/$NOW
PREVIOUS_DEST=$(find "$DEST_FOLDER" -type d -name "$BACKUP_FOLDER_PATTERN" -prune | sort | tail -n 1) PREVIOUS_DEST=$(fn_find_backups | sort | tail -n 1)
INPROGRESS_FILE=$DEST_FOLDER/backup.inprogress INPROGRESS_FILE=$DEST_FOLDER/backup.inprogress
KEEP_ALL_DATE=$(date -d '-1 day' +%s) KEEP_ALL_DATE=$(date -d '-1 day' +%s)
KEEP_DAILIES_DATE=$(date -d '-1 month' +%s) KEEP_DAILIES_DATE=$(date -d '-1 month' +%s)
@ -106,10 +111,10 @@ if [ -f "$INPROGRESS_FILE" ]; then
# - Last backup is moved to current backup folder so that it can be resumed. # - Last backup is moved to current backup folder so that it can be resumed.
# - 2nd to last backup becomes last backup. # - 2nd to last backup becomes last backup.
fn_log_info "$INPROGRESS_FILE already exists - the previous backup failed or was interrupted. Backup will resume from there." fn_log_info "$INPROGRESS_FILE already exists - the previous backup failed or was interrupted. Backup will resume from there."
LINE_COUNT=$(find "$DEST_FOLDER" -type d -name "$BACKUP_FOLDER_PATTERN" -prune | sort | tail -n 2 | wc -l) LINE_COUNT=$(fn_find_backups | sort | tail -n 2 | wc -l)
mv -- "$PREVIOUS_DEST" "$DEST" mv -- "$PREVIOUS_DEST" "$DEST"
if [ "$LINE_COUNT" -gt 1 ]; then if [ "$LINE_COUNT" -gt 1 ]; then
PREVIOUS_PREVIOUS_DEST=$(find "$DEST_FOLDER" -type d -name "$BACKUP_FOLDER_PATTERN" -prune | sort | tail -n 2 | head -n 1) PREVIOUS_PREVIOUS_DEST=$(fn_find_backups | sort | tail -n 2 | head -n 1)
PREVIOUS_DEST=$PREVIOUS_PREVIOUS_DEST PREVIOUS_DEST=$PREVIOUS_PREVIOUS_DEST
else else
PREVIOUS_DEST="" PREVIOUS_DEST=""
@ -148,7 +153,8 @@ while [ "1" ]; do
# Purge certain old backups before beginning new backup. # Purge certain old backups before beginning new backup.
# ----------------------------------------------------------------------------- # -----------------------------------------------------------------------------
for date in $(ls -1 -- "$DEST_FOLDER" | grep "$BACKUP_FOLDER_PATTERN" | sort -r); do for fname in $(fn_find_backups | sort -r); do
date=$(basename "$fname")
stamp=$(fn_parse_date $date) stamp=$(fn_parse_date $date)
# Skip if failed to parse date... # Skip if failed to parse date...