Fix checksums-out command (RHBZ#895904).

This was broken by the earlier
commit 0306c98d31.

This commit also adds a regression test.

daemon/checksum.c

@@ -161,8 +161,7 @@ do_checksums_out (const char *csumtype, const char *dir)
 
   char *cmd;
   if (asprintf_nowarn (&cmd, "cd %Q && %s -type f -print0 | %s -0 %s",
-                       str_find, str_xargs,
-                       sysrootdir, program) == -1) {
+                       sysrootdir, str_find, str_xargs, program) == -1) {
     reply_with_perror ("asprintf");
     free (sysrootdir);
     return -1;

tests/regressions/Makefile.am

@@ -29,6 +29,7 @@ TESTS = \
 	rhbz789960.sh \
 	rhbz790721 \
 	rhbz811649.sh \
+	rhbz895904.sh \
 	test-noexec-stack.pl
 
 tests_not_run = \

tests/regressions/rhbz895904.sh

@@ -0,0 +1,43 @@
+#!/bin/bash -
+# libguestfs
+# Copyright (C) 2013 Red Hat 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
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+# Regression test for:
+# https://bugzilla.redhat.com/show_bug.cgi?id=895904
+# Ensure we have a test of the 'checksums-out' command.
+
+set -e
+export LANG=C
+
+output=$(
+../../fish/guestfish -N fs -m /dev/sda1 <<EOF | sort -k 3
+mkdir /test
+touch /test/file1
+mkdir /test/subdir
+write /test/subdir/file2 abc
+checksums-out crc /test -
+EOF
+)
+
+if [ "$output" != "4294967295 0 ./file1
+1219131554 3 ./subdir/file2" ]; then
+    echo "$0: unexpected output from checksums-out command:"
+    echo "$output"
+    exit 1
+fi
+
+rm test1.img