Add backup script

.scripts/backup.sh

@@ -0,0 +1,94 @@
+#!/bin/sh
+
+BACKUP_COUNT_MAX=5
+
+# Backup individual files
+FILES="
+/etc/netctl/eth0-dhcp
+"
+
+# Backup all files from folder
+FOLDER_FILES="
+/etc/netctl
+"
+
+# Backup complete folder (recursively)
+FOLDERS="
+/etc/netctl
+"
+
+# Database credentials
+USER="username"
+PASSWORD="password"
+HOST="127.0.0.1"
+
+# Database names
+DATABASES="
+example
+example2
+"
+
+# ------------------------------------ #
+
+### Remove / create backup directories ###
+
+if [ "$(dirname "$0")" != "." ]; then
+	echo "Please run this script from the directory it resides."
+	exit 1
+fi
+
+# All directories
+BACKUP_FILES="$(find . -mindepth 1 -maxdepth 1 -type d -printf '%f\n' | sort -r)"
+
+# Current amount of backups
+BACKUP_COUNT=$(echo "$BACKUP_FILES" | wc -l)
+
+# Remove the oldest backup folders
+if [ "$BACKUP_COUNT" -ge $BACKUP_COUNT_MAX ]; then
+	BACKUPS_OLDEST="$(echo "$BACKUP_FILES" | sed -nE "
+		1,${BACKUP_COUNT_MAX}d;
+		s/^([0-9]{2}|-|_|:){12}$/\0/p
+	")"
+
+	printf "%s\n%s\n" "Removing directories:" "$BACKUPS_OLDEST"
+	rm -rf $BACKUPS_OLDEST
+fi
+
+# Execution location
+DIR="$(pwd)"
+
+# Create new backup folder
+BACKUP_NAME="$(date +%Y-%m-%d_%H:%M:%S)"
+mkdir "$DIR/$BACKUP_NAME"
+
+### Start backup procedure ###
+
+# Individual files
+for FILE in $FILES; do
+	mkdir -p "$DIR/$BACKUP_NAME/$(dirname "$FILE")"
+	cp "$FILE" "$DIR/$BACKUP_NAME/$FILE"
+done
+
+# All files inside folder
+for FOLDER_FILE in $FOLDER_FILES; do
+	mkdir -p "$DIR/$BACKUP_NAME/$FOLDER_FILE"
+
+	# Usind find -> read ensures filename space support
+	find "$FOLDER_FILE" -maxdepth 1 -type f | while read -r FILE; do
+		cp "$FILE" "$DIR/$BACKUP_NAME/$FILE"
+	done
+done
+
+# Complete folder
+for FOLDER in $FOLDERS; do
+	mkdir -p "$DIR/$BACKUP_NAME/$FOLDER"
+	cp -r "$FOLDER" "$DIR/$BACKUP_NAME/$(dirname "$FOLDER")"
+done
+
+# Set default file permissions
+umask 177
+# MYSQL Dump
+for DATABASE in $DATABASES; do
+	mysqldump --user=$USER --password=$PASSWORD --host=$HOST $DATABASE \
+			  > "$DIR/$BACKUP_NAME/$DATABASE-$BACKUP_NAME.sql"
+done