Add HW 3

2026-09-24 21:30:37 +03:00
parent 0a1eb51bf8
commit 6210b46c1f
35 changed files with 4012 additions and 0 deletions
@@ -0,0 +1,15 @@
+#!/bin/sh
+set -eu
+
+# Docker exposes the filesystem source after the separator in mountinfo.
+# A bind mount whose host source is an ext4 filesystem on zram retains that
+# source; a plain host directory on the HDD must not pass this check.
+awk '
+    $5 == "/hw/tests/tmp" {
+        for (i = 6; i <= NF - 2; i++) {
+            if ($i == "-" && $(i + 1) == "ext4" && $(i + 2) ~ /^\/dev\/zram[0-9]+$/)
+                found = 1
+        }
+    }
+    END { exit !found }
+' /proc/self/mountinfo