Re: [PATCH] dpkg: Configure sbuild for schroot

["'Jan Kiszka' via isar-users" <isar-users@googlegroups.com>]

On 15.04.26 15:56, Moessbauer, Felix (FT RPD CED OES-DE) wrote:
> On Wed, 2026-04-15 at 14:50 +0200, 'Jan Kiszka' via isar-users wrote:
>> From: Jan Kiszka <jan.kiszka@siemens.com>
>>
>> This is what at least the trixie version of sbuild strongly recommends
>> and also what the forky version will require.
>>
>> $chroot_mode is known to sbuild buster at least. It remains unclear when
>> $schroot was introduced, but it was very likely ignored before that. So
>> this changes is backward-compatible with older builders.
>>
>> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
>> ---
>>
>> Tested with a local experimental kas-isar forky container.
>>
>>  meta/classes-recipe/dpkg.bbclass | 2 ++
>>  1 file changed, 2 insertions(+)
>>
>> diff --git a/meta/classes-recipe/dpkg.bbclass b/meta/classes-recipe/dpkg.bbclass
>> index c1c38184..24eb0f7e 100644
>> --- a/meta/classes-recipe/dpkg.bbclass
>> +++ b/meta/classes-recipe/dpkg.bbclass
>> @@ -106,6 +106,8 @@ dpkg_runbuild() {
>>  
>>      echo '$apt_keep_downloaded_packages = 1;' >> ${SBUILD_CONFIG}
>>      echo '$stalled_pkg_timeout = ${DPKG_BUILD_TIMEOUT};' >> ${SBUILD_CONFIG}
>> +    echo '$chroot_mode = "schroot";' >> ${SBUILD_CONFIG}
>> +    echo '$schroot = "schroot";' >> ${SBUILD_CONFIG}
> 
> This should not be required (since [1]), as we select the chroot mode
> when calling sbuild [2]. That's also compatible with the rootless
> series where we just select unshare.
> 
> [1]https://github.com/ilbers/isar/commit/fec8600fea2ca741373c9e3e4f3d41f147dfbb09
> 

Indeed, I tested with an older Isar baseline and didn't notice this
switch while forward-porting. Let me double-check with 1.0-rc1 again if
the issue under forky is gone.

Jan

> [2]
> https://github.com/ilbers/isar/blob/master/meta/classes-recipe/dpkg.bbclass#L112
> 
> Felix
> 
>>  
>>      DSC_FILE=$(find ${WORKDIR} -maxdepth 1 -name "${DEBIAN_SOURCE}_*.dsc" -print)
>>  
>> -- 
>> 2.47.3
>>
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