preserve chroot configuration in config.php.

[kamalmjt]

Hello, I am using Nextcloud on a PHP-FPM with chroot, and I am having trouble maintaining the directory configuration of Nextcloud. That is, with each update, the parameters in the config.php file get messed up.

` 'tempdirectory' => ((php_sapi_name() != 'cli') ? getcwd() . '/../../../tmp/' : '/home/nextcloud.website.com/tmp/'),
'datadirectory' => ((php_sapi_name() != 'cli') ? getcwd() . '/../../../nextclouddata/' : '/home/nextcloud.website.com/nextclouddata/'),
'logfile' => ((php_sapi_name() != 'cli') ? getcwd() . '/../../../nextclouddata/nextcloud.log' : '/home/nextcloud.website.com/nextclouddata/nextcloud.log'),

`

That is, with each update, these parameters are overwritten by the values ​​returned by the function.

My chroot environment looks like this:

`Full directory tree out of chroot: (chroot = /home/nextcloud.website.com)
/home/
├── nextcloud.website.com
│ ├── dev
│ │ ├── null
│ │ ├── random
│ │ ├── urandom
│ │ └── zero
│ ├── etc
│ │ ├── hosts
│ │ ├── resolv.conf
│ │ └── ssl
│ ├── lib
│ │ └── x86_64-linux-gnu
│ ├── nextclouddata (Nexcloud User data)
│ │ ├── appdata_oc1ip557q2ir
│ │ ├── audit.log
│ │ ├── audit.log.1
│ │ ├── User0
│ │ ├── User6
│ │ ├── files_external
│ │ ├── flow.log
│ │ ├── flow.log.1
│ │ ├── User4
│ │ ├── User1
│ │ ├── index.html
│ │ ├── User2
│ │ ├── nextcloud.log
│ │ ├── nextcloud.log.1
│ │ ├── tmp
│ │ ├── updater.log
│ │ ├── updater-oc1ip557q2ir
│ │ └── User3
│ ├── tmp
│ ├── update
│ │ ├── actualizar.sh
│ │ ├── latest.zip
│ │ ├── nextcloud -> ../../nextcloud.website.com/www/nextcloud
│ │ ├── nextcloud-28.0.6.zip.1
│ │ └── old
│ ├── usr
│ │ ├── bin
│ │ ├── lib
│ │ └── share
│ └── www
│ └── nextcloud (web root)

Full directory tree inside chroot:
/
├── dev
│ ├── null
│ ├── random
│ ├── urandom
│ └── zero
├── etc
│ ├── hosts
│ ├── resolv.conf
│ └── ssl
├── lib
│ └── x86_64-linux-gnu
├── nextclouddata (Nexcloud User data)
│ ├── appdata_oc1ip557q2ir
│ ├── audit.log
│ ├── audit.log.1
│ ├── User0
│ ├── User6
│ ├── files_external
│ ├── flow.log
│ ├── flow.log.1
│ ├── User4
│ ├── User1
│ ├── index.html
│ ├── User2
│ ├── nextcloud.log
│ ├── nextcloud.log.1
│ ├── tmp
│ ├── updater.log
│ ├── updater-oc1ip557q2ir
│ └── User3
├── tmp
├── update
│ ├── actualizar.sh
│ ├── latest.zip
│ ├── nextcloud -> ../../nextcloud.website.com/www/nextcloud
│ ├── nextcloud-28.0.6.zip.1
│ └── old
├── usr
│ ├── bin
│ ├── lib
│ └── share
└── www
└── nextcloud (web root)
`

PHP-FPM pool config:
[nextcloud.website.com]
;Privilges config
user = nextcloud.website.com
group = www-data
listen = /run/php/php-nextcloud.website.com.sock
listen.owner = nextcloud.website.com
listen.group = nextcloud.website.com
listen.mode = 0660
listen.acl_users = www-data,nextcloud.website.com
listen.acl_groups = nextcloud.website.com,www-data

;rendimiento
pm = dynamic
pm.max_children = 10
pm.start_servers = 2
pm.min_spare_servers = 1
pm.max_spare_servers = 5
pm.max_requests = 0

;Chroot config
chdir = /
chroot = /home/nextcloud.website.com
php_admin_value[doc_root] = /www

env[HOSTNAME] = $HOSTNAME
env[PATH] = /usr/local/bin:/usr/bin:/bin
; env[PATH] = /usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
env[TMP] = /tmp
env[TMPDIR] = /tmp
env[TEMP] = /tmp
clear_env = no

;hardened PHP settings
php_flag[display_errors] = off
php_admin_value[error_log] = /var/log/php8.1-nextcloud.website.com.log
php_admin_flag[log_errors] = on
php_admin_value[sendmail_path] = /usr/sbin/sendmail -t -i -f www@nextcloud.website.com
php_admin_value[memory_limit] = 1G
php_admin_value[disable_functions] = "passthru, show_source, shell_exec, system, pcntl_exec, popen, pclose, proc_nice, proc_terminate, proc_get_status, proc_close, leak, apache_child_terminate, posix_kill, posix_mkfifo, posix_setpgid, posix_setsid, posix_setuid, escapeshellcmd, exec"
php_admin_value[open_basedir] = "/home/nextcloud.website.com/www:/home/nextcloud.website.com/tmp:/usr/share/php:/tmp:/dev/random:/dev/urandom:/www:/nextclouddata:/tmp"
php_admin_value[expose_php] = Off
php_admin_value[sys_temp_dir] = /tmp/
php_admin_value[upload_tmp_dir] = /tmp/

[kesselb]

See #10904 (comment)

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