38 lines
1.1 KiB
Bash
38 lines
1.1 KiB
Bash
#!/bin/sh
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set -eu
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destdir="$(readlink -e "$1")"
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kver=$(rpm --root "${destdir}" -q --qf '%{VERSION}-%{RELEASE}.%{ARCH}' kernel)
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printf 'Building initramfs image for kernel %s\n' "${kver}"
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cd "${destdir}"
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mkdir -p boot dev proc sys tmp
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mountpoint -q dev || mount -o bind /dev dev
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mountpoint -q proc || mount -t proc proc proc
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mountpoint -q sys || mount -t sysfs sysfs sys
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mountpoint -q tmp || mount -t tmpfs tmpfs tmp
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echo 'Copying kernel image to /boot/ ...' >&2
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cp -a "${destdir}"/lib/modules/"${kver}"/vmlinuz \
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"${destdir}"/boot/
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echo 'Running depmod ...' >&2
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chroot "${destdir}" depmod -a "${kver}"
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echo 'Building initramfs image ...' 2>&1
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chroot "${destdir}" dracut \
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--no-hostonly \
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--modules 'nbd udev-rules dracut-systemd shutdown' \
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--drivers 'genet nbd squashfs' \
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--force-drivers 'bcm2835_wdt i2c_bcm2835 rtc_pcf85063' \
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--force \
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/boot/initramfs.img \
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"${kver}"
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echo 'Fixing boot file pemissions ...' 2>&1
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find "${destdir}"/boot \
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-type d -exec chmod a+rx {} + \
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-or \
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-type f -exec chmod a+r {} +
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umount tmp sys proc dev
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