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#!/usr/bin/zsh
# rsyncs data from one directory to another. By default all subdirectories of the src directory are copied to the dst directory. Nothing happens unless both arguments are valid directories.
LOG_DIR="$HOME/rsync_logs"
LOG_FILE="$LOG_DIR/$(date --iso-8601).log"
RSYNC_OPTS=("-aP" "--no-owner" "--delete-during" "--exclude=lost+found" "--log-file=$LOG_FILE")
if [ $# -lt 2 ]; then
echo "Usage: backup <src> <dst>"
exit 1
fi
if [ ! -d "$1" ]; then
echo "$1 does not exist or is not a directory"
exit 1
fi
if [ ! -d "$2" ]; then
echo "$2 does not exist or is not a directory"
exit 1
fi
if [ ! -d "$LOG_DIR" ]; then
echo "Log directory does not exist, creating"
mkdir -p "$LOG_DIR"
if [ $? -ne 0 ]; then
echo "Failed to create log directory, exiting"
exit 1
fi
fi
echo "$(date)" > "$LOG_FILE"
if [ $? -ne 0 ]; then
echo "Failed to create log file, exiting"
exit 1
fi
echo "rsync $RSYNC_OPTS ${1%/}/* $2" >> "$LOG_FILE"
rsync $RSYNC_OPTS ${1%/}/* $2
if [ $? -eq 0 ]; then
echo "Backup successful." >> "$LOG_FILE"
else
echo "Backup exited with code $?"
fi
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