postgresql packages in the removal blacklist making it hard to upgrade

[jon chambers]

PostGIS and PGRouting are in the removal blacklist, making it hard to upgrade from 18.04 LTS to 20.04 LTS

dist-upgrade main.log:

2020-12-10 11:51:35,686 DEBUG blacklist expr '^postgresql-.*[0-9]\.[0-9].*' matches 'postgresql-10-postgis-2.4'
2020-12-10 11:51:35,686 DEBUG The package 'postgresql-10-postgis-2.4' is marked for removal but it's in the removal blacklist
2020-12-10 11:51:50,878 ERROR Dist-upgrade failed: 'The package 'postgresql-10-postgis-2.4' is marked for removal but it is in the removal blacklist.'
2020-12-10 11:51:50,885 DEBUG abort called
2020-12-10 11:51:50,887 DEBUG openCache()
2020-12-10 11:51:53,377 DEBUG Comparing 4.15.0-126 with
2020-12-10 11:51:53,381 DEBUG Comparing 5.3.0-61 with 4.15.0-126
2020-12-10 11:51:53,382 DEBUG Comparing 5.4.0-54 with 5.3.0-61
2020-12-10 11:51:53,382 DEBUG Comparing 5.4.0-56 with 5.4.0-54
2020-12-10 11:51:53,596 DEBUG /openCache(), new cache size 100643

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.

[Bo Guo (bo-guo)]

It has been over a year and half since the bug is reported and confirmed. Any progress? The bug holds us back on upgrading a few PostgreSQL/Postgis servers.