feat: add non-destructive file-restore mode to restore.sh

2026-07-25 19:01:33 +02:00
parent 769eeea2b9
commit ea361904ba
2 changed files with 55 additions and 0 deletions
@@ -65,6 +65,27 @@ list_archives() {
    borg list --lock-wait 60
 }

+extract_path() {
+    local rel_path="$1" dest_dir="$2" archive="$3"
+    mkdir -p "$dest_dir"
+    ( cd "$dest_dir" && run_cmd borg extract --lock-wait 600 "${REPO}::${archive}" "${ARCHIVE_TARGET_PATH}/${rel_path}" )
+    echo "${dest_dir%/}/${ARCHIVE_TARGET_PATH}/${rel_path}"
+}
+
+cmd_file() {
+    local rel_path="$1" dest
+    resolve_archive
+    dest="${DEST:-/tmp/restore-file-$$}"
+    step "Restoring '$rel_path' from archive $RESOLVED_ARCHIVE into $dest"
+    if [[ "$DRY_RUN" == true ]]; then
+        log "[DRY-RUN] would extract ${ARCHIVE_TARGET_PATH}/${rel_path} from ${REPO}::${RESOLVED_ARCHIVE} into $dest"
+        return 0
+    fi
+    local final
+    final="$(extract_path "$rel_path" "$dest" "$RESOLVED_ARCHIVE" | tail -n1)"
+    log "Restored file available at: $final"
+}
+
 usage() {
    cat <<'EOF'
 Usage: