Bug#322848: lintian: false positive on possible bashism

[Gustavo Noronha Silva <kov@debian.org>]

Package: lintian
Version: 1.23.11
Severity: normal

While checking my package I got these:

W: devhelp: possible-bashism-in-maintainer-script preinst:5 '[ "$1" = "upgrade" -o '
W: devhelp: possible-bashism-in-maintainer-script postrm:16 '&>'
W: devhelp: possible-bashism-in-maintainer-script postrm:17 '&>'

The first one is a real problem, but the other two are not. The
significant lines are:

    rmdir /etc/emacs/site-start.d > /dev/null 2&>1 || true
    rmdir /etc/emacs > /dev/null 2&>1 || true

I believe lintian may be confusing that with simply using >&. I tried
that kind of redirection on dash and surveyed #debian-devel. IIRC that
kind was used exactly because of being POSIX compliant.

Thanks,

-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (500, 'unstable'), (500, 'stable'), (1, 'experimental')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.8-2-686
Locale: LANG=pt_BR.UTF-8, LC_CTYPE=pt_BR.UTF-8 (charmap=UTF-8)

Versions of packages lintian depends on:
ii  binutils                   2.16.1-2      The GNU assembler, linker and bina
ii  diffstat                   1.39-1        produces graph of changes introduc
ii  file                       4.12-1        Determines file type using "magic"
ii  gettext                    0.14.5-2      GNU Internationalization utilities
ii  intltool-debian            0.30+20040213 Help i18n of RFC822 compliant conf
ii  libparse-debianchangelog-p 0.6-1         parse Debian changelogs and output
ii  man-db                     2.4.3-1       The on-line manual pager
ii  perl [libdigest-md5-perl]  5.8.7-4       Larry Wall's Practical Extraction 

lintian recommends no packages.

-- no debconf information