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mkarchiso: support %ARCHISO_UUID% variable in boot loader configuration

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It will be replaced with the ISO's modification date in UTC, i.e.
its "UUID".

This allows to replace `archisolabel=%ARCHISO_LABEL%` with
`archisodevice=UUID=%ARCHISO_UUID%` in boot loader configurations.

Related to #202
This commit is contained in:
nl6720 2023-03-16 09:22:57 +02:00
parent b468327442
commit 094afd169a
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GPG key ID: 5CE88535E188D369
1 changed files with 9 additions and 5 deletions
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14
archiso/mkarchiso
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@ -29,6 +29,7 @@ gpg_key=""
gpg_sender=""
iso_name=""
iso_label=""
iso_uuid=""
iso_publisher=""
iso_application=""
iso_version=""
@ -446,6 +447,7 @@ _make_bootmode_bios.syslinux.mbr() {
install -d -m 0755 -- "${isofs_dir}/boot/syslinux"
for _cfg in "${profile}/syslinux/"*.cfg; do
sed "s|%ARCHISO_LABEL%|${iso_label}|g;
s|%ARCHISO_UUID%|${iso_uuid}|g;
s|%INSTALL_DIR%|${install_dir}|g;
s|%ARCH%|${arch}|g" \
"${_cfg}" > "${isofs_dir}/boot/syslinux/${_cfg##*/}"
@ -558,21 +560,20 @@ _make_common_bootmode_grub_copy_to_isofs() {
# Prepare GRUB configuration files
_make_common_bootmode_grub_cfg(){
local _cfg archiso_uuid search_filename
local _cfg search_filename
install -d -- "${work_dir}/grub"
# Precalculate the ISO's modification date in UTC, i.e. its "UUID"
TZ=UTC printf -v archiso_uuid '%(%F-%H-%M-%S-00)T' "$SOURCE_DATE_EPOCH"
# Create a /boot/grub/YYYY-mm-dd-HH-MM-SS-00.uuid file on ISO 9660. GRUB will search for it to find the ISO
# volume. This is similar to what grub-mkrescue does, except it places the file in /.disk/, but we opt to use a
# directory that does not start with a dot to avoid it being accidentally missed when copying the ISO's contents.
: > "${work_dir}/grub/${archiso_uuid}.uuid"
search_filename="/boot/grub/${archiso_uuid}.uuid"
: > "${work_dir}/grub/${iso_uuid}.uuid"
search_filename="/boot/grub/${iso_uuid}.uuid"
# Fill GRUB configuration files
for _cfg in "${profile}/grub/"*'.cfg'; do
sed "s|%ARCHISO_LABEL%|${iso_label}|g;
s|%ARCHISO_UUID%|${iso_uuid}|g;
s|%INSTALL_DIR%|${install_dir}|g;
s|%ARCH%|${arch}|g;
s|%ARCHISO_SEARCH_FILENAME%|${search_filename}|g" \
@ -821,6 +822,7 @@ _make_bootmode_uefi-x64.systemd-boot.esp() {
mcopy -i "${efibootimg}" "${profile}/efiboot/loader/loader.conf" ::/loader/
for _conf in "${profile}/efiboot/loader/entries/"*".conf"; do
sed "s|%ARCHISO_LABEL%|${iso_label}|g;
s|%ARCHISO_UUID%|${iso_uuid}|g;
s|%INSTALL_DIR%|${install_dir}|g;
s|%ARCH%|${arch}|g" \
"${_conf}" | mcopy -i "${efibootimg}" - "::/loader/entries/${_conf##*/}"
@ -1660,6 +1662,8 @@ _set_overrides() {
# Set variables that do not have overrides
[[ -n "$airootfs_image_type" ]] || airootfs_image_type="squashfs"
[[ -n "$iso_name" ]] || iso_name="${app_name}"
# Precalculate the ISO's modification date in UTC, i.e. its "UUID"
TZ=UTC printf -v iso_uuid '%(%F-%H-%M-%S-00)T' "$SOURCE_DATE_EPOCH"
}
_export_gpg_publickey() {