Update beta 1.2.2.2

scripts/backup_restore/backup_host.sh

@@ -343,7 +343,7 @@ _bk_local() {
         # Fallback: gzip (rename archive)
         archive="${archive%.zst}"
         archive="${archive%.tar}.tar.gz"
-        if command -v pv >/dev/null 2>&1; then
+        if hb_ensure_pv; then
             local stage_bytes
             local pipefail_state
             stage_bytes=$(du -sb "$staging_root" 2>/dev/null | awk '{print $1}')
@@ -1115,7 +1115,7 @@ _rs_export_to_file() {
     tar_ok=0
     : > "$log_file"
 
-    if command -v pv >/dev/null 2>&1; then
+    if hb_ensure_pv; then
         # Stream tar through pv so the operator sees a live progress
         # bar instead of staring at a frozen title for minutes. We
         # mirror the same pattern used by the local backup path
@@ -1132,10 +1132,11 @@ _rs_export_to_file() {
         fi
         [[ "$pipefail_state" == "off" ]] && set +o pipefail
     else
-        # pv isn't installed — at least tell the operator something
-        # is happening and hint at the package they can install for
-        # a better experience next time.
-        msg_info "$(translate "Creating export archive (install 'pv' for a live progress bar)...")"
+        # Offline / apt unavailable — silently fall back to a plain
+        # tar so we still produce the archive. No "install pv" message:
+        # if we couldn't install it ourselves, sending the operator off
+        # to apt is just shifting our problem onto them.
+        msg_info "$(translate "Creating export archive...")"
         stop_spinner
         if tar -czf "$archive" -C "$staging_root" . >>"$log_file" 2>&1; then
             tar_ok=1

scripts/backup_restore/lib_host_backup_common.sh

@@ -1889,6 +1889,18 @@ hb_require_cmd() {
     command -v "$cmd" >/dev/null 2>&1
 }
 
+# Silent best-effort install of `pv` so callers can pipe tar through it
+# for a live progress bar. Returns 0 if pv ends up available, 1 if not.
+# Never speaks — pv is purely an UX improvement, asking the operator to
+# install it themselves would be backwards (we have apt; they shouldn't).
+hb_ensure_pv() {
+    command -v pv >/dev/null 2>&1 && return 0
+    if command -v apt-get >/dev/null 2>&1; then
+        DEBIAN_FRONTEND=noninteractive apt-get install -y -qq pv >/dev/null 2>&1
+    fi
+    command -v pv >/dev/null 2>&1
+}
+
 # ==========================================================
 # Compatibility check — compares backup metadata against the
 # current host and surfaces hostname / PVE version / kernel /