Bug#755932: Please remove cups.path symlink from multi-user.target on upgrades

[Michael Biebl <biebl@debian.org>]

Package: cups-daemon
Version: 1.7.4-2
Severity: normal
File: /lib/systemd/system/cups.path
User: pkg-systemd-maintainers@lists.alioth.debian.org
Usertags: systemd-units

Hi,

this is a follow up for #755690.

While i-s-h makes sure to create the new symlinks in paths.target, it
doesn't cleanup the old symlink from multi-user.target (yet).
It's in that account similar to insserv, which doesn't clean up old
symlinks from /etc/rc?.d when the LSB header changes.

It's not clear, if we can handle that in i-s-h in a clean way, but in
any case, Michael Stapelbert currently doesn't have enough to look into
this.

I'd therefore suggest to remove this symlink manually on upgrades.

A simple

if dpkg --compare-versions "$2" lt "1.7.4-3" ; then
    rm -f /etc/systemd/system/multi-user.target.wants/cups.path
fi

should do the trick.


Cheers,
Michael

-- System Information:
Debian Release: jessie/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (200, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 3.14-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages cups-daemon depends on:
ii  adduser              3.113+nmu3
ii  bc                   1.06.95-9
ii  dpkg                 1.17.10
ii  init-system-helpers  1.19
ii  libavahi-client3     0.6.31-4
ii  libavahi-common3     0.6.31-4
ii  libc6                2.19-7
ii  libcups2             1.7.4-2
ii  libcupsmime1         1.7.4-2
ii  libdbus-1-3          1.8.6-1
ii  libgnutls-deb0-28    3.2.16-1
ii  libgssapi-krb5-2     1.12.1+dfsg-5
ii  libpam0g             1.1.8-3
ii  libpaper1            1.1.24+nmu3
ii  libsystemd-daemon0   208-6
ii  lsb-base             4.1+Debian13
ii  procps               1:3.3.9-7
ii  ssl-cert             1.0.34

Versions of packages cups-daemon recommends:
ii  avahi-daemon  0.6.31-4
ii  colord        1.2.1-1
ii  cups-browsed  1.0.54-3+b1

Versions of packages cups-daemon suggests:
ii  cups                             1.7.4-2
ii  cups-bsd                         1.7.4-2
ii  cups-client                      1.7.4-2
ii  cups-common                      1.7.4-2
ii  cups-filters [foomatic-filters]  1.0.54-3+b1
pn  cups-pdf                         <none>
ii  cups-ppdc                        1.7.4-2
ii  cups-server-common               1.7.4-2
ii  foomatic-db                      20140325-1
ii  ghostscript                      9.05~dfsg-8.1
pn  hplip                            <none>
ii  poppler-utils                    0.26.3-1
ii  printer-driver-gutenprint        5.2.10-3
pn  printer-driver-hpcups            <none>
ii  smbclient                        2:4.1.9+dfsg-2
ii  udev                             208-6

-- no debconf information