Fix: Resolve relative path issue in backup script git operations

- Convert backup file path to absolute path before git add/commit
- Fixes 'pathspec did not match any files' error when using ../
- Use absolute_backup_path consistently in commit_to_git()
- Tested successfully: backups now commit to git without errors

pfsense.home.arpa/scripts/backup-pfsense-config.sh

@@ -212,15 +212,17 @@ validate_config() {
 commit_to_git() {
     log_info "Committing backup to git repository..."
 
-    local relative_path
-    relative_path=$(git -C "${REPO_ROOT}" ls-files --full-name "${BACKUP_FILE}" 2>/dev/null || echo "${BACKUP_FILE}")
+    # Convert to absolute path to avoid issues with relative paths containing ../
+    local absolute_backup_path
+    absolute_backup_path="$(cd "$(dirname "${BACKUP_FILE}")" && pwd)/$(basename "${BACKUP_FILE}")"
 
-    if [[ -z "${relative_path}" ]]; then
-        relative_path="${BACKUP_FILE}"
+    if [[ ! -f "${absolute_backup_path}" ]]; then
+        log_error "Backup file not found at: ${absolute_backup_path}"
+        return 1
     fi
 
-    # Add the backup file to git
-    if git -C "${REPO_ROOT}" add "${BACKUP_FILE}"; then
+    # Add the backup file to git using absolute path
+    if git -C "${REPO_ROOT}" add "${absolute_backup_path}"; then
         log_success "Added backup to git staging area"
     else
         log_error "Failed to add backup to git"
@@ -234,9 +236,9 @@ commit_to_git() {
 
     # Get configuration summary from XML
     local vlan_count
-    vlan_count=$(grep -c '<vlan>' "${BACKUP_FILE}" 2>/dev/null || echo "unknown")
+    vlan_count=$(grep -c '<vlan>' "${absolute_backup_path}" 2>/dev/null || echo "0")
     local rule_count
-    rule_count=$(grep -c '<rule>' "${BACKUP_FILE}" 2>/dev/null || echo "unknown")
+    rule_count=$(grep -c '<rule>' "${absolute_backup_path}" 2>/dev/null || echo "0")
 
     # Enhanced commit message with details
     local detailed_msg="${commit_msg}
@@ -247,7 +249,7 @@ Contains:
   - Backup timestamp: ${TIMESTAMP}
 
 File: $(basename "${BACKUP_FILE}")
-SHA256: $(shasum -a 256 "${BACKUP_FILE}" | awk '{print $1}')
+SHA256: $(shasum -a 256 "${absolute_backup_path}" | awk '{print $1}')
 "
 
     # Commit the backup