PXE package install for preseed slightly broken on 19 and 19.1

[sokoow]

Hi All,

I noticed that something must have changed in mint 19/.1/bionic when it comes to install scripts and package install through preseed.

So, here's what I'm trying to do:

tasksel tasksel/first multiselect ubuntu-minimal
d-i pkgsel/include string openssh-server python-yaml bzr git python3-software-properties software-properties-common standard^

and in casper.log, I'm getting:

debconf (developer): <-- SET pkgsel/include openssh-server python-yaml bzr git python3-software-properties software-properties-common standard^
debconf (developer): --> 10 pkgsel/include doesn't exist
debconf (developer): <-- REGISTER debian-installer/dummy pkgsel/include
debconf (developer): --> 0
debconf (developer): <-- SET pkgsel/include openssh-server python-yaml bzr git python3-software-properties software-properties-common standard^
debconf (developer): --> 0 value set
debconf (developer): <-- SUBST pkgsel/include ID pkgsel/include
debconf (developer): --> 0
debconf (developer): <-- FSET pkgsel/include seen true
debconf (developer): --> 0 true
debconf (developer): <-- SET base-installer/includes git
debconf (developer): --> 10 base-installer/includes doesn't exist
debconf (developer): <-- REGISTER debian-installer/dummy base-installer/includes
debconf (developer): --> 0
debconf (developer): <-- SET base-installer/includes git
debconf (developer): --> 0 value set
debconf (developer): <-- SUBST base-installer/includes ID base-installer/includes
debconf (developer): --> 0
debconf (developer): <-- FSET base-installer/includes seen true
debconf (developer): --> 0 true

and package is not being installed :/

I also tried following ways:

d-i base-installer/includes string git


debconf (developer): <-- SET base-installer/includes git
debconf (developer): --> 10 base-installer/includes doesn't exist
debconf (developer): <-- REGISTER debian-installer/dummy base-installer/includes
debconf (developer): --> 0
debconf (developer): <-- SET base-installer/includes git
debconf (developer): --> 0 value set
debconf (developer): <-- SUBST base-installer/includes ID base-installer/includes
debconf (developer): --> 0
debconf (developer): <-- FSET base-installer/includes seen true
debconf (developer): --> 0 true

ubiquity ubiquity/success_command string in-target apt-get install -y git vim ssh
ubiquity ubiquity/late_command string in-target apt-get install -y git vim ssh
d-i preseed/late_command string apt-install -y git

None of them seems to be working now. What's the correct way of doing this ? I didn't check it on vanilla bionic yet.

Cheers