Bug#983421: init-system-helpers: please respect DPKG_ROOT when checking for /usr/sbin/policy-rc.d

[Michael Biebl]

Am 24.09.2021 um 08:15 schrieb Johannes Schauer Marin Rodrigues:
> Hi Martin, Felipe & Michael,
> 
> Quoting Johannes Schauer Marin Rodrigues (2021-08-20 21:33:00)
>> Quoting Johannes 'josch' Schauer (2021-02-24 00:14:16)
>>> if dpkg (since 1.18.5) is run with --force-script-chrootless, it sets the
>>> variable DPKG_ROOT to the directory into which dpkg will install the
>>> requested packages. This is useful for bootstrapping, creating chroots for
>>> foreign architectures where utilities from inside the chroot cannot be
>>> executed, avoiding dependency loops between postinst scripts, installation
>>> without requiring superuser privileges and for creating installations that do
>>> not even contain dpkg. See
>>> https://wiki.debian.org/Teams/Dpkg/Spec/InstallBootstrap for more
>>> information.
>>>
>>> Currently, when maintainer scripts are run, /usr/sbin/policy-rc.d is
>>> checked to avoid starting services. But instead, the scripts should
>>> check "$DPKG_ROOT/usr/sbin/policy-rc.d". In normal situations, the
>>> $DPKG_ROOT variable is empty, so this will work as usual. But if dpkg is
>>> run with --root and --force-script-chrootless then /usr/sbin/policy-rc.d from
>>> the new root directory will be used.
>>
>> for your convenience, I have created a merge request on salsa which implements
>> the changes that make DPKG_ROOT work in our testing environment.
>>
>> https://salsa.debian.org/debian/init-system-helpers/-/merge_requests/12
> 
> would you mind me applying the above merge request and doing an NMU of
> init-system-helpers?
> 

Didn't have time yet to look at this. Sorry.
 From a cursory glance it feels inelegant having to sprinkle env vars 
across everything. This also feels like it could get easily broken when 
changes are made. So I'm not too enthusiastic tbh.




-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature
Type: application/pgp-signature
Size: 840 bytes
Desc: OpenPGP digital signature
URL: <http://alioth-lists.debian.net/pipermail/pkg-systemd-maintainers/attachments/20210924/0f1deeac/attachment.sig>