Add a way to add excludes to directory backup

backup/borg/directory_backup.sh

@@ -7,13 +7,14 @@
 # -r pi2 \
 # -R ~/backups/pi1/AA
 
-while getopts d:b:r:R: flag
+while getopts d:b:r:R:e: flag
 do
 	case "${flag}" in
 	    d) DIR=${OPTARG};; # Directory to backup
 	    b) BACKUP_DIR=${OPTARG};; # Where the backup is on local host
 	    r) REMOTE=${OPTARG};; # user@remote or alias (from SSH config), prefer to use alias, as it can deal with port differences
 	    R) REMOTE_DIR=${OPTARG};; # Location of remote backup i.e. /backup/borg/HOSTNAME/docker (then /npm, /vaultwarden, etc.)
+	    e) EXCLUDES=${OPTARG};; # Exclude certain directories
 	esac
 done
 
@@ -28,7 +29,7 @@ borg_backup (){
 	fi
 
 	export BORG_REPO=$BACKUP_DIR
-	borg create ::{hostname}-{now} $DIR
+	borg create ::{hostname}-{now} $EXCLUDE_FLAGS $DIR
 }
 borg_prune () {
 	# Keep last 8 hours of backups, last 3 days, and last 2 weeks. LESS for local to save storage
@@ -42,7 +43,7 @@ borg_prune () {
 }
 offsite_borg () {
 	export BORG_REPO=$REMOTE:$REMOTE_DIR
-	borg create ::{hostname}-{now} $DIR # Backup with of the directory itself (seperate borg repo)
+	borg create ::{hostname}-{now} $EXCLUDE_FLAGS $DIR # Backup with of the directory itself (seperate borg repo)
 }
 offsite_prune () {
 	export BORG_REPO=$REMOTE:$REMOTE_DIR
@@ -56,9 +57,17 @@ offsite_prune () {
 	# Then compact (actually clear up the disk space of the files removed via prune)
 	borg compact
 }
+# Convert EXCLUDES string to array of "--exclude" flags
+build_excludes() {
+    EXCLUDE_FLAGS=""
+    for EX in $EXCLUDES; do
+        EXCLUDE_FLAGS+=" --exclude $EX"
+    done
+}
 
 # Script
 # LOCAL
+build_excludes
 borg_backup
 borg_prune # Run prune bash script