[Debconf-devel] Fwd: Packaging problem with debconf

[Damien HENRY - MytinyDC.com]

Hi,

I m trying to build one package for matrix-synapse arm64, for 1 day, i m 
looking for and no responses on "google".

*Env : debian stretch (tried on amd64 and arm64 same result)
*

I ve this code :

*file /DEBIAN/config*

# Database
db_input critical matrix/DATABASES || true
db_go
db_get matrix/DATABASES
if [ "$RET"= "Postgresql"]; then
# Ip ou fqdn postgresql server
db_input critical matrix/POSTGRESIP || true
db_go
# Port postgresql service
db_input critical matrix/POSTGRESPORT || true
db_go
fi

**when i use dpkg-reconfigure, it seems RET is always empty and the 
processs never enter in the condition.**

*debug traces :*

debconf (developer): <-- INPUT critical matrix/DATABASES
debconf (developer): --> 0 question will be asked
debconf (developer): <-- GO
debconf (developer): --> 0 ok
debconf (developer): <-- GET matrix/DATABASES
debconf (developer): --> 0 Postgresql
debconf (developer): starting /var/lib/dpkg/info/synapse-matrix.postinst 
configure 0.99.3
debconf (developer): <-- GET matrix/DATABASES
debconf (developer): --> 0 Postgresql

**
**

**I change the code to check RET value : *dpkg-reconfigure with set|grep 
-E "^RET=" after db_get*

# Database
db_input critical matrix/DATABASES || true
db_go
db_get matrix/DATABASES
set|grep -E "^RET="
if [ "$RET"= "Postgresql"]; then
# Ip ou fqdn postgresql server
db_input critical matrix/POSTGRESIP || true
db_go
# Port postgresql service
db_input critical matrix/POSTGRESPORT || true
db_go
fi

debconf (developer): <-- INPUT critical matrix/DATABASES
debconf (developer): --> 0 question will be asked
debconf (developer): <-- GO
debconf (developer): --> 0 ok
debconf (developer): <-- GET matrix/DATABASES
debconf (developer): --> 0 Postgresql
RET='Postgresql'
debconf (developer): starting /var/lib/dpkg/info/synapse-matrix.postinst 
configure 0.99.3
debconf (developer): <-- GET matrix/DATABASES
debconf (developer): --> 0 Postgresql

*Variable RET is set with the correct value but go directly to postinst*

*and the same in postinst file, if i try a condition before reading with 
db_get, RET is always empty...
*

*I ve tried with /bin/sh /bin/bash
*

*Have you got an idea ?*

*Best regards.*


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