ubuntu: delay display manager until snapd seeding completes

Add systemd drop-in to wait for snapd seeding completion before starting the
display manager. This improves the user experience as users now wait in
Plymouth for the installer to finish being seeded, instead of in GDM with only
the wallpaper visible. When GDM starts, the installer launches with minimal
delay.
This commit is contained in:
Matthew Hagemann 2026-02-05 13:25:28 +02:00
parent ddbf8bf828
commit 7cbabf55d5
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# When booting the live ISO, snapd seeding takes a while to complete, which
# can cause GDM to start before the Ubuntu installer is seeded and ready to be
# launched. This leads to a confusing delay between the user leaving Plymouth
# and seeing the desktop wallpaper and the installer launching.
# This drop-in delays display-manager.service until snapd seeding completes, so
# the installer launches within seconds of Plymouth disappearing.
[Unit]
After=snapd.seeded.service