[pkg-php-pear] Bug#1070423: php-composer-pcre: missing Breaks+Replaces: composer (<< 2.2)

[Andreas Beckmann]

Package: php-composer-pcre
Version: 3.1.0-1
Severity: serious
User: debian-qa at lists.debian.org
Usertags: piuparts fileconflict
Control: affects -1 + src:composer

Hi,

during a test with piuparts I noticed your package fails to upgrade from
'bullseye'.
It installed fine in 'bullseye', then the upgrade to 'bookworm' fails
because it tries to overwrite other packages files without declaring a
Breaks+Replaces relation.

See policy 7.6 at
https://www.debian.org/doc/debian-policy/ch-relationships.html#overwriting-files-and-replacing-packages-replaces

This was observed during an upgrade test of the composer package.

From the attached log (scroll to the bottom...):

  Selecting previously unselected package php-composer-pcre.
  Preparing to unpack .../06-php-composer-pcre_3.1.0-1_all.deb ...
  Unpacking php-composer-pcre (3.1.0-1) ...
  dpkg: error processing archive /tmp/apt-dpkg-install-BF4xWr/06-php-composer-pcre_3.1.0-1_all.deb (--unpack):
   trying to overwrite '/usr/share/php/Composer/Pcre/MatchAllResult.php', which is also in package composer 2.0.9-2+deb11u2

This is a recent regression, most probably caused by this change in
bullseye-pu:

 composer (2.0.9-2+deb11u2) bullseye; urgency=medium
 .
   [ David Prévot ]
   * Force system dependencies loading
   * Import Pcre

I'd suggest to use "(<< 2.2)" as the version constraint as that seems to
be the first composer version adding a (build-)dependency on
php-composer-pcre (and thus no longer needing an embedded copy).
(bookworm has composer 2.5.5.)


cheers,

Andreas
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