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fix: fix var used before declaration in snap_validate_seed

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Fix use of variable declared in conditional branch and used in parent
scope in snap_validate_seed. This would affect binary for images without
kernel and using "set -u". (LP: #2037338)
This commit is contained in:
Simon Poirier 2023-09-25 19:31:58 -04:00
parent 3f0ac95248
commit f3114e7fb5
1 changed files with 2 additions and 1 deletions
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live-build/functions
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@ -767,9 +767,10 @@ snap_preseed() {
snap_validate_seed() {
local CHROOT_ROOT=$1
local kern_major_min=undefined
if [ -e ${CHROOT_ROOT}/boot/vmlinuz ]; then
local kern_major_min=$(readlink --canonicalize --no-newline ${CHROOT_ROOT}/boot/vmlinuz | grep --extended-regexp --only-matching --max-count 1 '[0-9]+\.[0-9]+')
kern_major_min=$(readlink --canonicalize --no-newline ${CHROOT_ROOT}/boot/vmlinuz | grep --extended-regexp --only-matching --max-count 1 '[0-9]+\.[0-9]+')
if [ -d /usr/share/livecd-rootfs/live-build/apparmor/${kern_major_min} ]; then
# if an Ubuntu version has different kernel apparmor features between LTS and HWE kernels
# a snap pre-seeding issue can occur, where the incorrect apparmor features are reported