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mkosi: Use apt patterns to install dependencies on Debian/Ubuntu

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Instead of parsing the human readable output of apt-cache, let's
use apt patterns to figure out the dependencies.

We also filter out virtual packages as apt will fail and say we need
to install an implementation of the virtual package even if a package
that provides the virtual package is already installed.

(cherry picked from commit 89c579788d)
This commit is contained in:
Daan De Meyer 2024-09-03 15:18:49 +02:00
parent e6feb4fa90
commit 5d48558f4b
1 changed files with 20 additions and 7 deletions
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27
mkosi.conf.d/10-debian-ubuntu/mkosi.prepare
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@ -8,10 +8,23 @@ fi
mapfile -t PACKAGES < <(jq --raw-output .VolatilePackages[] <"$MKOSI_CONFIG")
apt-cache depends "${PACKAGES[@]}" |
grep --invert-match --regexp "<" --regexp "|" | # Remove e.g. <python3:any> and |dbus-broker like results
grep --extended-regexp --invert-match --regexp "$(IFS=\| ; echo "${PACKAGES[*]}")" |
grep --extended-regexp "Depends|Suggests|Recommends" |
sed --quiet 's/.*: //p' | # Get every line with ": " in it and strip it at the same time.
sort --unique |
xargs --delimiter '\n' --no-run-if-empty mkosi-install
PATTERNS=()
# The ?reverse-depends() pattern for some weird reason lists all the packages providing systemd-sysusers
# instead of just excluding it, so we add another pattern to filter out anything that conflicts with
# any other systemd packages so we filter out both opensysusers and systemd-sysusers-standalone. We also
# exclude packages that belong to the systemd source package as we'll install these later. Finally, we
# exclude virtual packages as trying to install these makes apt fail with an error saying we need to install
# a specific implementation even if one is already installed.
COMMON="?not(?virtual), ?not(?reverse-conflicts(?source-package(^systemd$))), ?not(?reverse-breaks(?source-package(^systemd$))), ?not(?source-package(^systemd$))"
for PACKAGE in "${PACKAGES[@]}"; do
# Get all the dependencies of the systemd packages including recommended and suggested dependencies.
PATTERNS+=(
"?and(?reverse-depends(?exact-name($PACKAGE)), $COMMON)"
"?and(?reverse-recommends(?exact-name($PACKAGE)), $COMMON)"
"?and(?reverse-suggests(?exact-name($PACKAGE)), $COMMON)"
)
done
mkosi-install "${PATTERNS[@]}"