[Pkg-roundcube-maintainers] Bug#981716: roundcube-core: /usr/share/roundcube/bin/cleandb.sh aborts with php 7.4

[Russell Coker]

Package: roundcube
Version: 1.4.10+dfsg.2-1
Severity: normal

# /usr/bin/php7.4 /usr/share/roundcube/bin/cleandb.sh
PHP Fatal error:  Uncaught Error: Call to undefined function mb_internal_encoding() in /usr/share/roundcube/program/lib/Roundcube/bootstrap.php:86
Stack trace:
#0 /usr/share/roundcube/program/include/iniset.php(66): require_once()
#1 /usr/share/roundcube/program/include/clisetup.php(25): require_once('/usr/share/roun...')
#2 /usr/share/roundcube/bin/cleandb.sh(22): require('/usr/share/roun...')
#3 {main}
  thrown in /usr/share/roundcube/program/lib/Roundcube/bootstrap.php on line 86
# /usr/bin/php7.3 /usr/share/roundcube/bin/cleandb.sh
0 records deleted from 'contactgroupmembers'
0 records deleted from 'contacts'
0 records deleted from 'contactgroupmembers'
0 records deleted from 'contactgroups'
0 records deleted from 'identities'

It works with PHP 7.3 but not 7.4.  As an upgrade to bullseye upgrades from 7.3 to 7.4
this should work.

-- System Information:
Debian Release: 10.7
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.10.0-2-amd64 (SMP w/2 CPU threads)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: SELinux: enabled - Mode: Enforcing - Policy name: default

Versions of packages roundcube-core depends on:
ii  dbconfig-common                 2.0.11+deb10u1
ii  debconf [debconf-2.0]           1.5.71
ii  dpkg                            1.19.7
ii  libjs-bootstrap4                4.3.1+dfsg2-1
ii  libjs-codemirror                5.59.2+~cs0.23.109-1
ii  libjs-jquery                    3.3.1~dfsg-3
ii  libjs-jquery-minicolors         2.2.6+dfsg-3
ii  libjs-jquery-ui                 1.12.1+dfsg-5
ii  libjs-jstimezonedetect          1.0.6-2
ii  libmagic1                       1:5.35-4+deb10u1
ii  php                             2:7.4+76
ii  php-auth-sasl                   1.0.6-3
ii  php-common                      2:69
ii  php-intl                        2:7.3+69
ii  php-mail-mime                   1.10.2-0.1
ii  php-masterminds-html5           2.7.4+dfsg-2~bpo10+1
ii  php-mbstring                    2:7.3+69
ii  php-net-sieve                   1.4.1-1
ii  php-net-smtp                    1.8.0-1
ii  php-net-socket                  1.0.14-2
ii  php-pear                        1:1.10.6+submodules+notgz-1.1+deb10u1
ii  php7.3 [php]                    7.3.19-1~deb10u1
ii  php7.3-cli [php-cli]            7.3.19-1~deb10u1
ii  php7.3-intl [php-intl]          7.3.19-1~deb10u1
ii  php7.3-json [php-json]          7.3.19-1~deb10u1
ii  php7.3-mbstring [php-mbstring]  7.3.19-1~deb10u1
ii  php7.4 [php]                    7.4.14-1
ii  php7.4-cli [php-cli]            7.4.14-1
ii  php7.4-json [php-json]          7.4.14-1
ii  roundcube-mysql                 1.4.10+dfsg.2-1
ii  roundcube-sqlite3               1.4.10+dfsg.2-1~bpo10+1
ii  ucf                             3.0038+nmu1

Versions of packages roundcube-core recommends:
ii  apache2 [httpd-cgi]   2.4.46-4
ii  php-fpm               2:7.4+76
ii  php-gd                2:7.3+69
pn  php-pspell            <none>
ii  php7.3-fpm [php-fpm]  7.3.19-1~deb10u1
ii  php7.3-gd [php-gd]    7.3.19-1~deb10u1
ii  php7.4-fpm [php-fpm]  7.4.14-1

Versions of packages roundcube-core suggests:
pn  php-crypt-gpg             <none>
pn  php-mkopinsky-zxcvbn-php  <none>
pn  php-net-ldap3             <none>
pn  roundcube-plugins         <none>

Versions of packages roundcube depends on:
ii  dpkg  1.19.7

-- Configuration Files:
/etc/cron.d/roundcube-core changed [not included]

-- debconf information excluded