Improvements.

_posts/2019-02-23-my-backup-system.md

@@ -136,7 +136,10 @@ following code is licensed under the [GNU Free Documentation License
 # Free Documentation License".
 
 declare -A BACKUP_ALIAS
-. ./backup.conf
+
+# Get correct path before loading the configuration file.
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+. ""${DIR}"/backup.conf"
 
 SRC="${1}"
 DST="${2}"
@@ -151,7 +154,7 @@ DST="${2}"
 START=$(date +%s)
 if [ "${SRC}" = '/*' ]; then
     # Use the exclude option to avoid infinite loops due to symlinks and to 
-    # avoid backing up the /data mountpoint.
+    # avoid backing up the /data mountpoint itself.
      rsync --archive --acls --xattrs --hard-links --delete /* "${DST}" --exclude={/dev/*,/proc/*,/sys/*,/tmp/*,/run/*,/mnt/*,/media/*,/lost+found,/data}
 elif [ "${SRC}" = '/data/*' ]; then
     rsync --archive --acls --xattrs --hard-links --delete /data/* "${DST}"
@@ -247,7 +250,9 @@ page.
 declare -A BACKUP_ALIAS_ROOT
 declare -A BACKUP_ALIAS_DATA
 
-. ./backup_enc.conf
+# Get correct path before loading the configuration file.
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+. ""${DIR}"/backup_enc.conf"
 
 WHAT="${1}"
 
@@ -275,7 +280,7 @@ dev="/dev/"$(lsblk -x name -i -o name,uuid | grep "${UUID}" | awk '{print $1}')"
 [ -z "${dev}" ] && exit 1
 
 cryptsetup open "${dev}" "${NAME}" && mount /dev/mapper/"${NAME}" "${DST}" \
-&& ./backup.sh "${SRC}" "${DST}"
+&& ""${DIR}"/backup.sh" "${SRC}" "${DST}"
 
 umount "${DST}" && cryptsetup close "${NAME}"
 ```