From 07ed51f9ad4f6e7c6b9ca03ad85d5b21ff4373dc Mon Sep 17 00:00:00 2001
From: Christoph <ckubu@oopen.de>
Date: Tue, 2 Jul 2024 10:35:58 +0200
Subject: [PATCH] borg-backup-nc.sh: add support for symlinks

---
 borg-backup-nc.sh | 18 ++++++++++++++++--
 1 file changed, 16 insertions(+), 2 deletions(-)

diff --git a/borg-backup-nc.sh b/borg-backup-nc.sh
index d3252ec..353aa1f 100755
--- a/borg-backup-nc.sh
+++ b/borg-backup-nc.sh
@@ -293,6 +293,20 @@ BORG_LOG_FILE="${BORG_LOG_DIR}/${backup_date}.log"
 
 [[ -z "${BACKUP_OTHER_DIRECTORIES}" ]] && BACKUP_OTHER_DIRECTORIES="${DEFAULT_BACKUP_OTHER_DIRECTORIES}"
 
+# By default: Borg won't follow symlinks
+#
+BORG_BACKUP_DIRS=""
+for _dir in $BACKUP_OTHER_DIRECTORIES ; do  
+   if [[ -h "${_dir}" ]] ; then 
+      BORG_BACKUP_DIRS="$BORG_BACKUP_DIRS $(realpath "${_dir}")"
+   fi
+   BORG_BACKUP_DIRS="$BORG_BACKUP_DIRS ${_dir}"
+done
+
+# remove leading whitespace characters
+#
+BORG_BACKUP_DIRS="${BORG_BACKUP_DIRS#"${BORG_BACKUP_DIRS%%[![:space:]]*}"}"
+
 
 BORG_URL="ssh://${SSH_USER}@${BORG_HOST}:${SSH_PORT}${BORG_REPO}"
 
@@ -538,7 +552,7 @@ borg create                            \\
     ${NC_DB_BACKUP_DIR}                \\
     ${NC_PATH}                         \\
     ${NC_DATA_DIR}                     \\
-    ${BACKUP_OTHER_DIRECTORIES}
+    ${BORG_BACKUP_DIRS}
 EOF
 
 borg create                            \
@@ -559,7 +573,7 @@ borg create                            \
     ${NC_DB_BACKUP_DIR}                \
     ${NC_PATH}                         \
     ${NC_DATA_DIR}                     \
-    ${BACKUP_OTHER_DIRECTORIES}        \
+    ${BORG_BACKUP_DIRS}                \
     > ${log_file} 2>&1