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Enhance unminimize to transform into a base image for ubuntu-cpc

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The unminimize script previously just restored the system documentation
and translations, man pages, and installed ubuntu-minimal and ubuntu-standard
packages to provide the familiar Ubuntu minimal system. But such an image
never became an equivalent of base image.

Upon investigation and looking at how the base image is constructed -
https://git.launchpad.net/livecd-rootfs/tree/live-build/auto/config#n1108 -
we use the following things:
 - minimal task
 - standard task
 - cloud-image task (which involves ubuntu-server)
 - ubuntu-minimal package
 - server task if arch != amd64

OTOH, in the unminimize script, we use the following:
(https://git.launchpad.net/livecd-rootfs/tree/live-build/auto/build#n286)
 - ubuntu-minimal package
 - ubuntu-standard package

So upon running some tests, it was found that if we install ubuntu-server
(with --fix-policy flag), we get the resulting image equivalent to that
of a base image.

cf: https://warthogs.atlassian.net/browse/CPC-3033
This commit is contained in:
Utkarsh Gupta 2023-09-06 15:12:43 +05:30
parent e5646cd530
commit 4400dd37c6
1 changed files with 12 additions and 0 deletions
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12
live-build/auto/build
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@ -292,6 +292,18 @@ if dpkg-query --show --showformat='${db:Status-Status}\n' ubuntu-server 2> /dev/
DEBIAN_FRONTEND=noninteractive apt-get install -y landscape-common
fi
EOF
if [ "$PROJECT" = "ubuntu-cpc" ]; then
# we'd like to transform a minimized image to a base image
# when unminimize is run.
cat >> chroot/usr/local/sbin/unminimize <<'EOF'
# even if ubuntu-server is installed, we should re-install it with --fix-policy --install-recommends
# to ensure all the Recommends of dependencies of ubuntu-server are installed, which aids in transforming
# this minimized image to an equivalent base image.
DEBIAN_FRONTEND=noninteractive apt-get --reinstall --fix-policy --install-recommends install -y ubuntu-server
EOF
fi
if [ "$PROJECT" = "ubuntu-cpc" ] || [ "$PROJECT" = "ubuntu-server" ]; then
cat >> chroot/usr/local/sbin/unminimize <<'EOF'