implement an environment variable to exclude stuff

.borg-env.example

@@ -14,6 +14,9 @@ export BORG_PASSPHRASE="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
 # This array must containing everything you want to include in the backup
 export BORG_TARGETS=("$HOME")
 
+# Exclude directories and files
+export BORG_EXCLUDE=("$HOME/.config/borg" "$HOME/.cache" "'*.db'")
+
 # [optional] Use a ntfy service to publish backup results
 # export NTFY=true
 

borgbackup.sh

@@ -47,20 +47,20 @@ trap 'echo $( date ) Backup interrupted >&2; exit 2' INT TERM
 
 info "Starting backup"
 
+exclude() {
+    for entry in "${BORG_EXCLUDE[@]}"; do
+        echo "--exclude $entry"
+    done
+}
+
 # Backup the most important directories into an archive named after
 # the machine this script is currently running on:
 
-/usr/local/bin/borg create          \
-    --verbose                       \
-    --filter AME                    \
-    --list                          \
-    --stats                         \
-    --show-rc                       \
-    --compression lz4               \
-    --exclude-caches                \
-                                    \
-    ::"${mode}-{hostname}-{now}"    \
-    "${BORG_TARGETS[@]}"            \
+borg_command=("/usr/local/bin/borg create" "--verbose" "--filter AME" "--list" "--stats" "--show-rc" "--compression lz4" "--exclude-caches")
+borg_command+=($(exclude))
+borg_command+=("::backup-{hostname}-{now}" "${BORG_TARGETS[@]}")
+
+"${borg_command[@]}"
 
 backup_exit=$?