From b750101eb236130cf056c675997decbac904cc49 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 17:35:18 +0200
Subject: Adding upstream version 252.22.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/basic/check-filesystems.sh | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)
 create mode 100755 src/basic/check-filesystems.sh

(limited to 'src/basic/check-filesystems.sh')

diff --git a/src/basic/check-filesystems.sh b/src/basic/check-filesystems.sh
new file mode 100755
index 0000000..696ef61
--- /dev/null
+++ b/src/basic/check-filesystems.sh
@@ -0,0 +1,36 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+set -eu
+set -o pipefail
+
+cpp="$1"
+filesystems_gperf="$2"
+shift 2
+
+includes=""
+for i in "$@"; do
+    includes="$includes -include $i"
+done
+
+error=false
+
+# shellcheck disable=SC2086
+for fs in $($cpp -dM $includes - </dev/null | \
+            grep -E '_MAGIC' | \
+            grep -vE 'LINUX_MAGIC' | \
+            awk '/^#define[ \t]+[A-Z0-9_]+MAGIC[ \t]+/ { print $2; }'); do
+    if ! grep -E "\{.*$fs.*\}" "$filesystems_gperf" >/dev/null; then
+        # STACK_END_MAGIC doesn't refer to a filesystem
+        # mtd_inode was removed in 2015
+        # futexfs was removed in 2018
+        if [[ "$fs" =~ ^(STACK_END_MAGIC|MTD_INODE_FS_MAGIC|FUTEXFS_SUPER_MAGIC)$ ]]; then
+            continue
+        fi
+        echo "Filesystem found in kernel header but not in $(basename "$filesystems_gperf"): $fs";
+        error=true
+    fi
+done
+
+if $error; then
+    exit 1
+fi
-- 
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