diff options
Diffstat (limited to 'tests/mv/symlink-onto-hardlink-to-self.sh')
| -rwxr-xr-x | tests/mv/symlink-onto-hardlink-to-self.sh | 35 |
1 files changed, 21 insertions, 14 deletions
diff --git a/tests/mv/symlink-onto-hardlink-to-self.sh b/tests/mv/symlink-onto-hardlink-to-self.sh index f3e8ff987..1a567df8c 100755 --- a/tests/mv/symlink-onto-hardlink-to-self.sh +++ b/tests/mv/symlink-onto-hardlink-to-self.sh @@ -1,6 +1,6 @@ #!/bin/sh -# Demonstrate that when moving a symlink onto a hardlink-to-that-symlink, the -# source symlink is removed. Depending on your kernel (e.g., Linux, Solaris, +# Demonstrate that when moving a symlink onto a hardlink-to-that-symlink, +# an error is presented. Depending on your kernel (e.g., Linux, Solaris, # but not NetBSD), prior to coreutils-8.16, the mv would successfully perform # a no-op. I.e., surprisingly, mv s1 s2 would succeed, yet fail to remove s1. @@ -26,27 +26,34 @@ print_ver_ mv touch f || framework_failure_ ln -s f s2 || framework_failure_ -for opt in '' --backup; do +# Attempt to create a hard link to that symlink. +# On some systems, it's not possible: they create a hard link to the referent. +ln s2 s1 || framework_failure_ - # Attempt to create a hard link to that symlink. - # On some systems, it's not possible: they create a hard link to the referent. - ln s2 s1 || framework_failure_ +# If s1 is not a symlink, skip this test. +test -h s1 \ + || skip_ your kernel or file system cannot create a hard link to a symlink - # If s1 is not a symlink, skip this test. - test -h s1 \ - || skip_ your kernel or file system cannot create a hard link to a symlink +for opt in '' --backup; do - mv $opt s1 s2 > out 2>&1 || fail=1 - compare /dev/null out || fail=1 + if test "$opt" = --backup; then + mv $opt s1 s2 > out 2>&1 || fail=1 + compare /dev/null out || fail=1 - # Ensure that s1 is gone. - test -e s1 && fail=1 + # Ensure that s1 is gone. + test -e s1 && fail=1 - if test "$opt" = --backup; then # With --backup, ensure that the backup file was created. ref=$(readlink s2~) || fail=1 test "$ref" = f || fail=1 else + echo "mv: 's1' and 's2' are the same file" > exp + mv $opt s1 s2 2>err && fail=1 + compare exp err || fail=1 + + # Ensure that s1 is still present. + test -e s1 || fail=1 + # Without --backup, ensure there is no backup file. test -e s2~ && fail=1 fi |