From 9e2b97bf352ad1a04ee6c28e2cd2668b63bfec84 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Tue, 15 Aug 2006 23:41:24 +0000
Subject: * NEWS: Mention that df exits with nonzero status if it generates no
 output.  This change was in 6.0 but inadvertently unmentioned. *
 doc/coreutils.texi (df invocation): df exits nonzero if it outpus nothing. *
 src/df.c (file_systems_processed): Renamed from n_valid_args, and now a
 boolean. (show_dev): Don't set it until we actually output something. Print
 the header if this is the first output. (main): Don't print a header, as that
 is now show_dev's job. * tests/misc/Makefile.am (TESTS): Add df. *
 tests/misc/df: New file.

---
 tests/misc/df | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100755 tests/misc/df

(limited to 'tests/misc/df')

diff --git a/tests/misc/df b/tests/misc/df
new file mode 100755
index 000000000..b1efe61ab
--- /dev/null
+++ b/tests/misc/df
@@ -0,0 +1,17 @@
+#!/bin/sh
+# Ensure that "df ." outputs a header.
+
+if test "$VERBOSE" = yes; then
+  set -x
+  df --version
+fi
+
+case `df .` in
+*'
+'*)
+  fail=0;;
+*)
+  fail=1;;
+esac
+
+(exit $fail); exit $fail
-- 
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