[Bug-tar] --remove-files deletes files even if archive couldn't be created, when used with compression

[Bart Botta]

using tar (GNU tar) 1.20, 1.22, or recent git checkout, on ubuntu 9.04/x86_64:

$ ../src/tar --version
tar (GNU tar) 1.22.90
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by John Gilmore and Jay Fenlason.
$ mkdir a
$ mkdir b
$ touch b/c
$ ../src/tar cfv a --remove-files b
../src/tar: a: Cannot open: Is a directory
../src/tar: Error is not recoverable: exiting now
$ ls b
c
$ ../src/tar cfvz a --remove-files b
../src/tar: a: Cannot open: Is a directory
../src/tar: Error is not recoverable: exiting now
b/
b/c
../src/tar: Child returned status 2
../src/tar: Exiting with failure status due to previous errors
$ ls b
ls: cannot access b: No such file or directory
$ ls
a/

--
3b