fix(safeclean): dry-run/apply docker consistency, eCryptfs warning, rotated log cleanup

safeclean.sh

@@ -279,14 +279,44 @@ clean_docker() {
     if ! docker info >/dev/null 2>&1; then
         printf '  %-26s %sdaemon not reachable%s\n' "Docker" "$c_dim" "$c_rst"; return
     fi
+
+    local age_h=$(( AGE_DAYS * 24 ))
+
     echo "  Docker reclaimable space:"
     docker system df 2>/dev/null | sed 's/^/      /'
-    [ "$DRY_RUN" = 1 ] && return
+
+    if [ "$DRY_RUN" = 1 ]; then
+        if [ "$AGGRESSIVE_DOCKER" = 0 ] && [ "$AGE_DAYS" -gt 0 ]; then
+            # apply uses --filter until=Xh, so docker system df overstates actual reclaim.
+            # Estimate: sum sizes of dangling images older than age_h hours (what prune targets).
+            local img_bytes=0 img_count=0 id s
+            while IFS= read -r id; do
+                [ -z "$id" ] && continue
+                img_count=$(( img_count + 1 ))
+                s=$(docker image inspect --format '{{.Size}}' "$id" 2>/dev/null) || s=0
+                img_bytes=$(( img_bytes + ${s:-0} ))
+            done < <(docker image ls --filter "dangling=true" --filter "until=${age_h}h" \
+                --format "{{.ID}}" 2>/dev/null)
+            local img_human
+            img_human=$(numfmt --to=si --suffix=B -- "$img_bytes" 2>/dev/null \
+                || echo "${img_bytes}B")
+            echo
+            printf '      %sNOTE: apply uses --filter until=%dh — only items older than %d day(s) are removed.%s\n' \
+                "$c_yel" "$age_h" "$AGE_DAYS" "$c_rst"
+            printf '      Dangling images >%dd apply would actually remove: %s%s%s (%d image(s))\n' \
+                "$AGE_DAYS" "$c_bold" "$img_human" "$c_rst" "$img_count"
+            printf '      %s(stopped containers + build cache also contribute; totals shown above)%s\n' \
+                "$c_dim" "$c_rst"
+            printf '      %sTip: --docker-all removes ALL unused images regardless of age.%s\n' \
+                "$c_dim" "$c_rst"
+        fi
+        return
+    fi
 
     local flags="-f"
     [ "$AGGRESSIVE_DOCKER" = 1 ] && flags="-af"   # -a also removes unused (not just dangling) images
     local until_args=()
-    [ "$AGE_DAYS" -gt 0 ] && until_args=(--filter "until=$(( AGE_DAYS * 24 ))h")
+    [ "$AGE_DAYS" -gt 0 ] && until_args=(--filter "until=${age_h}h")
     if confirm "Run 'docker system prune ${flags} ${until_args[*]}' (volumes are NOT touched)?"; then
         docker system prune $flags "${until_args[@]}"
     else
@@ -298,9 +328,16 @@ clean_system() {
     echo
     echo "${c_bold}System (sudo) ─────────────────────────────────────────────${c_rst}"
     if [ "$DRY_RUN" = 1 ]; then
-        echo "  ${c_dim}dry-run: would offer apt clean, journald vacuum, old snap removal${c_rst}"
+        echo "  ${c_dim}dry-run: would offer apt clean, journald vacuum, rotated log cleanup, old snap removal${c_rst}"
         echo "  apt archive cache:"; sudo -n du -sh /var/cache/apt/archives 2>/dev/null | sed 's/^/      /' || true
         echo "  journal logs:";       journalctl --disk-usage 2>/dev/null | sed 's/^/      /' || true
+        echo "  rotated logs (/var/log/*.gz, *.1, *.2 …):"
+        local rot_total
+        rot_total=$(find /var/log -maxdepth 1 -type f \
+            \( -name '*.gz' -o -name '*.[0-9]' -o -name '*.[0-9][0-9]' \) \
+            -print0 2>/dev/null | xargs -0 -r du -sch 2>/dev/null \
+            | tail -n1 | awk '{print $1}') || rot_total=""
+        printf '      %s%s%s\n' "$c_bold" "${rot_total:-0}" "$c_rst"
         return
     fi
 
@@ -314,6 +351,22 @@ clean_system() {
         sudo journalctl --vacuum-time="${jdays}d"
     fi
 
+    local rotated=()
+    while IFS= read -r -d '' f; do rotated+=("$f"); done < <(
+        find /var/log -maxdepth 1 -type f \
+            \( -name '*.gz' -o -name '*.[0-9]' -o -name '*.[0-9][0-9]' \) \
+            -print0 2>/dev/null
+    )
+    if [ ${#rotated[@]} -gt 0 ]; then
+        local rot_size
+        rot_size=$(du -sch "${rotated[@]}" 2>/dev/null | tail -n1 | awk '{print $1}')
+        if confirm "Delete rotated system logs (${rot_size}, ${#rotated[@]} file(s) — not active logs)?"; then
+            sudo rm -f -- "${rotated[@]}" && printf '      %sremoved.%s\n' "$c_grn" "$c_rst"
+        else
+            echo "      skipped."
+        fi
+    fi
+
     if confirm "snap: remove disabled (old) revisions?"; then
         snap list --all 2>/dev/null | awk '/disabled/{print $1, $3}' | \
         while read -r name rev; do
@@ -342,6 +395,9 @@ echo
 
 echo "${c_bold}Largest items under $SCAN_ROOT:${c_rst}"
 du -h --max-depth=1 "$SCAN_ROOT" 2>/dev/null | sort -rh | head -n 12 | sed 's/^/  /'
+if [ -d "${SCAN_ROOT}/.Private" ] && mount 2>/dev/null | grep -q " on ${SCAN_ROOT} type ecryptfs"; then
+    printf '  %sNote: eCryptfs detected — .Private and home directory are the same data; sizes above may be double-counted.%s\n' "$c_yel" "$c_rst"
+fi
 echo
 
 echo "${c_bold}Reclaimable categories ──────────────────────────────────────${c_rst}"