tfld/snap-pac-uki
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Cleaned up creation script

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This commit is contained in:
Adrian Wannenmacher 2020-09-25 17:02:10 +02:00
parent f1ff8615b6
commit 64ad4e635e
Signed by: tfld
GPG Key ID: 19D986ECB1E492D5
1 changed files with 12 additions and 11 deletions
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23
scripts/snap-pac-uki_create.fish
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@ -2,13 +2,11 @@
# get id and type of last snapshot
set -l config "root"
set -l snapshots (snapper -c $config --jsonout ls | jq -c ".$config")
set -l last (echo $snapshots | jq -c "last")
set -l id (echo $last | jq ".number")
set -l type (echo $last | jq ".type")
set -l snapshot (snapper -c $config --jsonout ls | jq -c ".$config | last")
set -l id (echo $snapshot | jq ".number")
if not contains $type '"pre"' '"post"'
echo "Last snapshot has type \"$type\", therefore no UKI is created."
if not contains (echo $snapshot | jq -r ".type") "pre" "post"
echo "==> last snapshot type is neither 'pre' nor 'post'; no UKI creation"
exit
end
@ -17,15 +15,16 @@ end
set -l ukis (ls /boot/EFI/Linux/ | grep "snap-pac-uki-[1-9][0-9]*\.efi" | grep -o '[1-9][0-9]*')
if contains $id $ukis
echo "UKI already exists"
echo "==> UKI already exists; no UKI creation"
exit
end
# prepare uki creation
mkdir -p "/tmp/snap-pac-uki/$id"
rm -rf "/tmp/snap-pac-uki/$id/*"
cd "/tmp/snap-pac-uki/$id"
set -l buildpath "/tmp/snap-pac-uki/$id"
mkdir -p $buildpath
rm -rf "$buildpath/*"
cd $buildpath
sed "s/BUILD_ID=.*/BUILD_ID=\"Snapshot $id\"/" </usr/lib/os-release >./os-release
@ -36,10 +35,12 @@ grep options /boot/loader/entries/00-arch.conf | \
# create uki
set -l ukipath "/boot/EFI/Linux/snap-pac-uki-$id.efi"
objcopy \
--add-section .osrel="./os-release" --change-section-vma .osrel=0x20000 \
--add-section .cmdline="./kernel-parameters" --change-section-vma .cmdline=0x30000 \
--add-section .splash="/usr/share/systemd/bootctl/splash-arch.bmp" --change-section-vma .splash=0x40000 \
--add-section .linux="/boot/vmlinuz-linux" --change-section-vma .linux=0x2000000 \
--add-section .initrd="/boot/initramfs-linux.img" --change-section-vma .initrd=0x3000000 \
"/usr/lib/systemd/boot/efi/linuxx64.efi.stub" "/boot/EFI/Linux/snap-pac-uki-$id.efi"
"/usr/lib/systemd/boot/efi/linuxx64.efi.stub" $ukipath
echo "==> created UKI: $ukipath"