From 0edae5eee675704e3719c0df0a2e59af817cff85 Mon Sep 17 00:00:00 2001
From: Jim Meyering <jim@meyering.net>
Date: Sat, 17 Mar 2007 11:44:42 +0100
Subject: [PATCH] Avoid test failure on NFS-mounted Solaris ZFS file system. *
 tests/du/basic: Skip a test if "." is on a non-local file system.

---
 ChangeLog      |  3 +++
 tests/du/basic | 38 +++++++++++++++++++++-----------------
 2 files changed, 24 insertions(+), 17 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 5bb7f96095..60ea4d9770 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2007-03-17  Jim Meyering  <jim@meyering.net>
 
+	Avoid test failure on NFS-mounted Solaris ZFS file system.
+	* tests/du/basic: Skip a test if "." is on a non-local file system.
+
 	Avoid an obscure build failure, prefer waitpid over wait.
 	* src/install.c (strip): Use waitpid, not wait.  It's equivalent,
 	but feels less obsolescent.
diff --git a/tests/du/basic b/tests/du/basic
index d03ce0c162..665a416c80 100755
--- a/tests/du/basic
+++ b/tests/du/basic
@@ -1,7 +1,7 @@
 #!/bin/sh
 # Compare actual numbers from du, assuming block size matches mine.
 
-# Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+# Copyright (C) 2003, 2006-2007 Free Software Foundation, Inc.
 
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -80,20 +80,23 @@ EOF
 cmp out exp || fail=1
 test $fail = 1 && diff -u out exp 2> /dev/null
 
-rm -f out exp
-du --block-size=$B -a d | sort -r -k2,2 > out || fail=1
-echo === >> out
-du --block-size=$B -S d | sort -r -k2,2 >> out || fail=1
-
-t2=`stat --format=%b d/sub/2`
-ts=`stat --format=%b d/sub`
-t1=`stat --format=%b d/1`
-td=`stat --format=%b d`
-tot=`expr $t1 + $t2 + $ts + $td`
-d1=`expr $td + $t1`
-s2=`expr $ts + $t2`
-
-cat <<EOF | sed 's/ *#.*//' > exp
+# Perform this test only if "." is on a local file system.
+# Otherwise, it would fail e.g., on an NFS-mounted Solaris ZFS file system.
+if df --local . >/dev/null 2>&1; then
+  rm -f out exp
+  du --block-size=$B -a d | sort -r -k2,2 > out || fail=1
+  echo === >> out
+  du --block-size=$B -S d | sort -r -k2,2 >> out || fail=1
+
+  t2=`stat --format=%b d/sub/2`
+  ts=`stat --format=%b d/sub`
+  t1=`stat --format=%b d/1`
+  td=`stat --format=%b d`
+  tot=`expr $t1 + $t2 + $ts + $td`
+  d1=`expr $td + $t1`
+  s2=`expr $ts + $t2`
+
+  cat <<EOF | sed 's/ *#.*//' > exp
 $t2	d/sub/2
 $s2	d/sub
 $t1	d/1
@@ -103,7 +106,8 @@ $s2	d/sub
 $d1	d           # d + d/1; don't count the dir. entry for d/sub
 EOF
 
-cmp out exp || fail=1
-test $fail = 1 && diff out exp 2> /dev/null
+  cmp out exp || fail=1
+  test $fail = 1 && diff out exp 2> /dev/null
+fi
 
 (exit $fail); exit $fail
-- 
2.47.3