Looking at the diff in
http://launchpadlibrarian.net/497631450/grub2_2.04-1ubuntu26_2.04-1ubuntu26.4.diff.gz
I see that this appears to be a new change during the SRU cycle,
specifically:
"""
diff -Nru grub2-2.04/debian/grub-multi-install
grub2-2.04/debian/grub-multi-install
--- grub2-2.04/debian/grub-multi-install 2020-04-15 11:31:27.000000000
+0000
+++ grub2-2.04/debian/grub-multi-install 2020-09-08 10:23:00.000000000
+0000
@@ -8,6 +8,13 @@
. /usr/share/debconf/confmodule
+# shamelessly stolen from ucf:
+#
+# Load our templates, just in case our template has
+# not been loaded or the Debconf DB lost or corrupted
+# since then.
+db_x_loadtemplatefile "$(dpkg-query --control-path grub-common templates)"
grub-common
+
###############################################################################
# COPY FROM POSTINST
###############################################################################
@@ -373,7 +380,7 @@
continue
fi
else
- break # noninteractive
+ exit 1 # noninteractive
fi
fi
@@ -395,7 +402,7 @@
db_fset grub-efi/install_devices_empty seen false
fi
else
- break # noninteractive
+ exit 1 # noninteractive
fi
else
break
"""
The new "exit 1" will break stable users that have answered the "grub-
efi/install_devices_empty" question already with the answer "yes"
because for those the question will be skipped (as it was already asked)
and hence the if goes into the "exit 1" condition and the postinst
fails.
** Summary changed:
- grub-multi-install fails with exit 1 when question
grub-efi/install_devices_empty is skipped
+ [regression-in-stable] grub-multi-install fails with exit 1 when question
grub-efi/install_devices_empty is skipped
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https://bugs.launchpad.net/bugs/1896608
Title:
[regression-in-stable] grub-multi-install fails with exit 1 when
question grub-efi/install_devices_empty is skipped
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