Add tests from the old svn tree

We're losing the svn history (which we could probably keep if we tried
hard enough) but don't consider that worthwhile.

Note these tests are destructive, so run them only in a throwaway
environment like a chroot, container, or vm.

The tests/run.all script should be the one which launches all the tests.

Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>

tests/usertools/14_usermod_move_homedir_other_device/usermod.test

@@ -0,0 +1,68 @@
+#!/bin/sh
+
+set -e
+
+cd $(dirname $0)
+
+. ../../common/config.sh
+. ../../common/log.sh
+
+log_start "$0" "usermod keeps links or devices when it moves the user's home directory"
+
+save_config
+
+# restore the files on exit
+trap 'log_status "$0" "FAILURE"; restore_config; rm -rf /home/foo /home/foo2; umount /tmp/home; rmdir /tmp/home' 0
+
+change_config
+
+mkdir /home/foo
+mkdir /home/foo/titi
+echo toto > /home/foo/toto
+ln /home/foo/toto /home/foo/.tata
+ln -s /home/foo/toto /home/foo/tutu
+mknod /home/foo/null c 1 3
+chown -R foo:foo /home/foo
+
+mkdir /tmp/home
+mount --bind /home /tmp/home
+
+echo -n "Change the user's home directory (usermod -m -d /tmp/home/foo2 foo)..."
+usermod -m -d /tmp/home/foo2 foo
+echo "OK"
+
+echo -n "Check the passwd file..."
+../../common/compare_file.pl data/passwd /etc/passwd
+echo "OK"
+echo -n "Check the group file..."
+../../common/compare_file.pl config/etc/group /etc/group
+echo "OK"
+echo -n "Check the shadow file..."
+../../common/compare_file.pl config/etc/shadow /etc/shadow
+echo "OK"
+echo -n "Check the gshadow file..."
+../../common/compare_file.pl config/etc/gshadow /etc/gshadow
+echo "OK"
+echo -n "Check the user's home directory was removed..."
+test ! -d /home/foo
+echo "OK"
+echo -n "Check the user's home directory was moved..."
+test -d /home/foo2
+echo "OK"
+echo -n "Check content of /tmp/home/foo2/..."
+stat --printf "%A %U:%G %N\n" /tmp/home/foo2/* /tmp/home/foo2/.* 2>/dev/null | sort > tmp/home_ls-a
+diff -rauN data/home_ls-a tmp/home_ls-a
+echo "OK"
+rm -f tmp/home_ls-a
+
+echo -n "Remove the new home directory..."
+rm -rf /tmp/home/foo2
+echo "done"
+
+umount /tmp/home
+rmdir /tmp/home
+
+log_status "$0" "SUCCESS"
+restore_config
+trap '' 0
+