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bee/iso/builder/config/hooks/normal/9100-memtest.hook.binary
2026-04-01 08:33:36 +03:00

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#!/bin/sh
# Ensure memtest is present in the final ISO even if live-build's built-in
# memtest stage does not copy the binaries or expose menu entries.
set -e
: "${BEE_REQUIRE_MEMTEST:=0}"
MEMTEST_FILES="memtest86+x64.bin memtest86+x64.efi"
BINARY_BOOT_DIR="binary/boot"
GRUB_CFG="binary/boot/grub/grub.cfg"
ISOLINUX_CFG="binary/isolinux/live.cfg"
log() {
echo "memtest hook: $*"
}
fail_or_warn() {
msg="$1"
if [ "${BEE_REQUIRE_MEMTEST}" = "1" ]; then
log "ERROR: ${msg}"
exit 1
fi
log "WARNING: ${msg}"
return 0
}
copy_memtest_file() {
src="$1"
base="$(basename "$src")"
dst="${BINARY_BOOT_DIR}/${base}"
[ -f "$src" ] || return 1
mkdir -p "${BINARY_BOOT_DIR}"
cp "$src" "$dst"
log "copied ${base} from ${src}"
}
extract_memtest_from_deb() {
deb="$1"
tmpdir="$(mktemp -d)"
log "extracting memtest payload from ${deb}"
dpkg-deb -x "$deb" "$tmpdir"
for f in ${MEMTEST_FILES}; do
if [ -f "${tmpdir}/boot/${f}" ]; then
copy_memtest_file "${tmpdir}/boot/${f}"
fi
done
rm -rf "$tmpdir"
}
ensure_memtest_binaries() {
missing=0
for f in ${MEMTEST_FILES}; do
[ -f "${BINARY_BOOT_DIR}/${f}" ] || missing=1
done
[ "$missing" -eq 1 ] || return 0
for root in chroot/boot /boot; do
for f in ${MEMTEST_FILES}; do
[ -f "${BINARY_BOOT_DIR}/${f}" ] || copy_memtest_file "${root}/${f}" || true
done
done
missing=0
for f in ${MEMTEST_FILES}; do
[ -f "${BINARY_BOOT_DIR}/${f}" ] || missing=1
done
[ "$missing" -eq 1 ] || return 0
for root in cache chroot/var/cache/apt/archives /var/cache/apt/archives; do
[ -d "$root" ] || continue
deb="$(find "$root" -type f \( -name 'memtest86+_*.deb' -o -name 'memtest86+*.deb' \) 2>/dev/null | head -1)"
[ -n "$deb" ] || continue
extract_memtest_from_deb "$deb"
break
done
missing=0
for f in ${MEMTEST_FILES}; do
if [ ! -f "${BINARY_BOOT_DIR}/${f}" ]; then
fail_or_warn "missing ${BINARY_BOOT_DIR}/${f}"
missing=1
fi
done
[ "$missing" -eq 0 ] || return 0
}
ensure_grub_entry() {
[ -f "$GRUB_CFG" ] || {
fail_or_warn "missing ${GRUB_CFG}"
return 0
}
grep -q '### BEE MEMTEST ###' "$GRUB_CFG" && return 0
cat >> "$GRUB_CFG" <<'EOF'
### BEE MEMTEST ###
if [ "${grub_platform}" = "efi" ]; then
menuentry "Memory Test (memtest86+)" {
chainloader /boot/memtest86+x64.efi
}
else
menuentry "Memory Test (memtest86+)" {
linux16 /boot/memtest86+x64.bin
}
fi
### /BEE MEMTEST ###
EOF
log "appended memtest entry to ${GRUB_CFG}"
}
ensure_isolinux_entry() {
[ -f "$ISOLINUX_CFG" ] || {
fail_or_warn "missing ${ISOLINUX_CFG}"
return 0
}
grep -q '### BEE MEMTEST ###' "$ISOLINUX_CFG" && return 0
cat >> "$ISOLINUX_CFG" <<'EOF'
# ### BEE MEMTEST ###
label memtest
menu label ^Memory Test (memtest86+)
linux /boot/memtest86+x64.bin
# ### /BEE MEMTEST ###
EOF
log "appended memtest entry to ${ISOLINUX_CFG}"
}
log "ensuring memtest binaries and menu entries in binary image"
ensure_memtest_binaries
ensure_grub_entry
ensure_isolinux_entry
log "memtest assets ready"