2017-05-26 20:26:25 +00:00
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#!/bin/sh
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source_deviceinfo()
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{
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if [ ! -e "/etc/deviceinfo" ]; then
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echo "ERROR: Missing /etc/deviceinfo!"
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exit 1
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fi
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. /etc/deviceinfo
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if [ -z "${deviceinfo_modules_initfs}" ]; then
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echo "WARNING: deviceinfo_modules_initfs is empty!"
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fi
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}
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parse_commandline()
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{
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if [ "$1" != "-o" ]; then
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echo "postmarketos-mkinitfs"
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2017-07-28 18:51:21 +00:00
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echo "usage: $(basename "$0") -o OUTFILE KERNELVERSION"
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2017-05-26 20:26:25 +00:00
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exit 1
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fi
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outfile=$2
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2017-07-28 18:51:21 +00:00
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outfile_extra=$2-extra
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2017-05-26 20:26:25 +00:00
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kernel=$3
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modules_path="/lib/modules/${kernel}"
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}
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create_folders()
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{
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for dir in /bin /sbin /usr/bin /usr/sbin /proc /sys /dev /tmp /lib \
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2017-08-09 21:54:01 +00:00
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/boot /sysroot /etc; do
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2017-05-26 20:26:25 +00:00
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mkdir -p "$tmpdir$dir"
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done
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}
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get_modules_by_globs()
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{
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globs="
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# base.modules
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kernel/drivers/block/loop.ko
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kernel/fs/overlayfs
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# cryptsetup.modules
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kernel/crypto/*
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kernel/arch/*/crypto/*
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kernel/drivers/md/dm-crypt.ko
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# required for modprobe
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modules.*
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"
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for glob in $globs; do
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for file in /lib/modules/$kernel/$glob; do
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if [ -d "$file" ]; then
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2017-07-28 18:51:21 +00:00
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find "$file" -type f
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2017-05-26 20:26:25 +00:00
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elif [ -e "$file" ]; then
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2017-07-28 18:51:21 +00:00
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echo "$file"
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2017-05-26 20:26:25 +00:00
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fi
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done
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done
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}
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# NOTE: This does not work with busybox' modprobe
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# That's why postmarketos-mkinitfs depends on kmod
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get_modules_by_name()
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{
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MODULES="drm_kms_helper drm dm_crypt ext4 \
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${deviceinfo_modules_initfs}"
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modprobe \
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-a \
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--dry-run \
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--show-depends \
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--set-version="$kernel" \
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$MODULES \
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| sort -u \
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| cut -d ' ' -f 2
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}
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get_modules()
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{
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get_modules_by_globs
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get_modules_by_name
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}
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# Get the paths to all binaries and their dependencies
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2017-10-22 21:00:39 +00:00
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BINARIES="/bin/busybox /bin/busybox-extras /usr/sbin/telnetd /sbin/kpartx"
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BINARIES_EXTRA="
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/sbin/cryptsetup
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/sbin/dmsetup
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/usr/sbin/parted
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/sbin/e2fsck
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/usr/sbin/resize2fs
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/usr/bin/osk-sdl
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/usr/lib/libGL.so.1
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/usr/lib/ts/*
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/usr/lib/libts*
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$(find /usr/lib/directfb-* -name '*.so')
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/lib/libz.so.1
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"
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2017-05-26 20:26:25 +00:00
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get_binaries()
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{
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2017-09-18 19:17:30 +00:00
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if [ "${deviceinfo_msm_refresher}" == "true" ]; then
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BINARIES="${BINARIES} /usr/sbin/msm-fb-refresher"
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fi
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2017-05-26 20:26:25 +00:00
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lddtree -l $BINARIES | sort -u
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}
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2017-10-14 18:10:12 +00:00
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# Collect non-binary files for osk-sdl and its dependencies
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# This gets called as $(get_osk_config), so the exit code can be checked/handled.
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get_osk_config()
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{
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fontpath=$(awk '/^keyboard-font/{print $3}' /etc/osk.conf)
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if [ ! -f $fontpath ]; then
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exit 1
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fi
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ret="
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/etc/osk.conf
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/etc/ts.conf
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/etc/pointercal
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/etc/fb.modes
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$fontpath
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"
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echo "${ret}"
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}
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2017-07-28 18:51:21 +00:00
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get_binaries_extra()
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{
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tmp1=$(mktemp /tmp/mkinitfs.XXXXXX)
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get_binaries > "$tmp1"
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tmp2=$(mktemp /tmp/mkinitfs.XXXXXX)
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lddtree -l $BINARIES_EXTRA | sort -u > "$tmp2"
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ret=$(comm -13 "$tmp1" "$tmp2")
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rm "$tmp1" "$tmp2"
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echo "${ret}"
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}
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# Copy files to the destination specified
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2017-05-26 20:26:25 +00:00
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# FIXME: this is a performance bottleneck
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# $1: files
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2017-07-28 18:51:21 +00:00
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# $2: destination
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2017-05-26 20:26:25 +00:00
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copy_files()
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{
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for file in $1; do
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2017-08-06 13:12:43 +00:00
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[ -e "$file" ] || continue
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2017-09-20 18:36:22 +00:00
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cp -a --parents "$file" "$2"
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2017-05-26 20:26:25 +00:00
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done
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}
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create_device_nodes()
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{
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2017-07-28 18:51:21 +00:00
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mknod -m 666 "$tmpdir/dev/null" c 1 3
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mknod -m 644 "$tmpdir/dev/random" c 1 8
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mknod -m 644 "$tmpdir/dev/urandom" c 1 9
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2017-05-26 20:26:25 +00:00
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}
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replace_init_variables()
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{
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2017-07-28 18:51:21 +00:00
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sed -i "s:@INITRAMFS_EXTRA@:${outfile_extra}:g" "$tmpdir/init"
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2017-05-26 20:26:25 +00:00
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}
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2017-07-28 18:51:21 +00:00
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# Create a cpio image of the specified folder
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# $1: folder
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# $2: outfile
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2017-05-26 20:26:25 +00:00
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create_cpio_image()
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{
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2017-07-28 18:51:21 +00:00
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cd "$1"
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2017-05-26 20:26:25 +00:00
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find . -print0 \
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| cpio --quiet -o -H newc \
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2017-07-28 18:51:21 +00:00
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| gzip -1 > "$2"
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2017-05-26 20:26:25 +00:00
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}
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2017-06-29 17:51:17 +00:00
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# Legacy u-boot images
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2017-07-25 20:08:35 +00:00
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create_uboot_files()
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2017-06-29 17:51:17 +00:00
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{
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[ "${deviceinfo_generate_legacy_uboot_initfs}" == "true" ] || return
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echo "==> initramfs: creating uInitrd"
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mkimage -A arm -T ramdisk -C none -n uInitrd -d "$outfile" "${outfile/initramfs-/uInitrd-}"
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2017-07-25 20:08:35 +00:00
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echo "==> kernel: creating uImage"
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kernelfile="${outfile/initramfs-/vmlinuz-}"
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if [ -n "${deviceinfo_dtb}" ]; then
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kernelfile="${kernelfile}-dtb"
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fi
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mkimage -A arm -O linux -T kernel -C none -a 80008000 -e 80008000 -n postmarketos -d $kernelfile "${outfile/initramfs-/uImage-}"
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2017-06-29 17:51:17 +00:00
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}
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# Android devices
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create_bootimg()
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{
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[ "${deviceinfo_generate_bootimg}" == "true" ] || return
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echo "==> initramfs: creating boot.img"
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2017-07-19 20:44:12 +00:00
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_base="${deviceinfo_flash_offset_base}"
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[ -z "$_base" ] && _base="0x10000000"
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2017-07-25 20:08:35 +00:00
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kernelfile="${outfile/initramfs-/vmlinuz-}"
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if [ -n "${deviceinfo_dtb}" ]; then
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kernelfile="${kernelfile}-dtb"
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fi
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2017-11-19 14:25:10 +00:00
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_dt=""
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if [ "${deviceinfo_bootimg_qcdt}" == "true" ]; then
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_dt="--dt /boot/dt.img"
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fi
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2017-06-29 17:51:17 +00:00
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mkbootimg \
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2017-07-25 20:08:35 +00:00
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--kernel "${kernelfile}" \
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2017-06-29 17:51:17 +00:00
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--ramdisk "$outfile" \
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2017-07-19 20:44:12 +00:00
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--base "${_base}" \
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2017-06-29 17:51:17 +00:00
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--second_offset "${deviceinfo_flash_offset_second}" \
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--cmdline "${deviceinfo_kernel_cmdline}" \
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--kernel_offset "${deviceinfo_flash_offset_kernel}" \
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--ramdisk_offset "${deviceinfo_flash_offset_ramdisk}" \
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--tags_offset "${deviceinfo_flash_offset_tags}" \
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--pagesize "${deviceinfo_flash_pagesize}" \
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2017-11-19 14:25:10 +00:00
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${_dt} \
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2017-06-29 17:51:17 +00:00
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-o "${outfile/initramfs-/boot.img-}"
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2018-01-13 20:38:29 +00:00
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if [ "${deviceinfo_bootimg_blobpack}" == "true" ]; then
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echo "==> initramfs: creating blob"
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blobpack "${outfile/initramfs-/blob-}" LNX "${outfile/initramfs-/boot.img-}"
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fi
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2017-06-29 17:51:17 +00:00
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}
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2017-07-23 12:50:40 +00:00
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# Create splash screens
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2017-09-24 14:24:56 +00:00
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# $1: "false" to skip clearing the cache if one image is missing
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2017-07-23 12:50:40 +00:00
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generate_splash_screens()
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{
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2017-09-24 14:24:56 +00:00
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[ "$1" != "false" ] && clean="true" || clean="false"
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splash_version=$(apk info -v | grep postmarketos-splash)
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2017-10-02 22:39:09 +00:00
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if [ -z "$splash_version" ]; then
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# If package is not installed yet, use latest version from repository
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splash_version=$(apk search -x postmarketos-splash)
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fi
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2017-09-24 14:24:56 +00:00
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splash_config="/etc/postmarketos/splash.ini"
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splash_config_hash=$(md5sum "$splash_config")
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splash_width=${deviceinfo_screen_width:-720}
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splash_height=${deviceinfo_screen_height:-1280}
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splash_cache_dir="/var/cache/postmarketos-splashes"
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# Overwrite $@ to easily iterate over the splash screens. Format:
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# $1: splash_name
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# $2: text
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# $3: arguments
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2017-10-14 18:10:12 +00:00
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set -- "splash-loading" "Loading..." "--center" \
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2017-09-24 14:24:56 +00:00
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"splash-noboot" "boot partition not found\\nhttps://postmarketos.org/troubleshooting" "--center" \
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"splash-noinitramfsextra" "initramfs-extra not found\\nhttps://postmarketos.org/troubleshooting" "--center" \
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"splash-nosystem" "system partition not found\\nhttps://postmarketos.org/troubleshooting" "--center" \
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2017-12-23 19:22:28 +00:00
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"splash-mounterror" "unable to mount root partition\\nhttps://postmarketos.org/troubleshooting" "--center" \
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"splash-debug-shell" "WARNING\\ndebug-shell is active\\nhttps://postmarketos.org/debug-shell" "--center"
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2017-09-24 14:24:56 +00:00
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# Ensure cache folder exists
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mkdir -p "${splash_cache_dir}"
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# Loop through the splash screens definitions
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while [ $# -gt 2 ]
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do
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splash_name=$1
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splash_text=$2
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splash_args=$3
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2017-10-14 18:10:12 +00:00
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2017-09-24 14:24:56 +00:00
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# Compute hash using the following values concatenated:
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# - postmarketos-splash package version
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# - splash config file
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# - device resolution
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# - text to be displayed
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splash_hash_string="${splash_version}#${splash_config_hash}#${splash_width}#${splash_height}#${splash_text}"
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splash_hash="$(echo "${splash_hash_string}" | md5sum | awk '{ print $1 }')"
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if ! [ -e "${splash_cache_dir}/${splash_name}_${splash_hash}.ppm.gz" ]; then
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# If a cached file is missing, clear the whole cache and start again skipping this step
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if [ "$clean" = "true" ]; then
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rm -f ${splash_cache_dir}/*
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generate_splash_screens false
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return
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fi
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2017-07-28 18:51:21 +00:00
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2017-09-24 14:24:56 +00:00
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# shellcheck disable=SC2086
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pmos-make-splash --text="${splash_text}" $splash_args --config "${splash_config}" \
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"$splash_width" "$splash_height" "${splash_cache_dir}/${splash_name}_${splash_hash}.ppm"
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gzip "${splash_cache_dir}/${splash_name}_${splash_hash}.ppm"
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fi
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2017-07-23 12:50:40 +00:00
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2017-09-24 14:24:56 +00:00
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cp "${splash_cache_dir}/${splash_name}_${splash_hash}.ppm.gz" "${tmpdir}/${splash_name}.ppm.gz"
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2017-08-03 16:01:00 +00:00
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2017-09-24 14:24:56 +00:00
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shift 3 # move to the next 3 arguments
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done
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2017-07-23 12:50:40 +00:00
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}
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2017-06-29 17:51:17 +00:00
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2017-07-25 20:08:35 +00:00
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# Append the correct device tree to the linux image file
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append_device_tree()
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{
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[ -n "${deviceinfo_dtb}" ] || return
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dtb="/usr/share/dtb/${deviceinfo_dtb}.dtb"
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kernel="${outfile/initramfs-/vmlinuz-}"
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echo "==> kernel: appending device-tree ${deviceinfo_dtb}"
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cat $kernel $dtb > "${kernel}-dtb"
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}
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2017-10-22 21:00:39 +00:00
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# Create the initramfs-extra archive
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# $1: outfile
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generate_initramfs_extra()
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{
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echo "==> initramfs: creating $1"
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osk_conf="$(get_osk_config)"
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if [ $? -eq 1 ]; then
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echo "ERROR: Font specified in /etc/osk.conf does not exist!"
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exit 1
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fi
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# Ensure cache folder exists
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mkinitfs_cache_dir="/var/cache/postmarketos-mkinitfs"
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mkdir -p "$mkinitfs_cache_dir"
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# Generate cache output filename (initfs_extra_cache) by hashing all input files
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initfs_extra_files=$(echo "$BINARIES_EXTRA$osk_conf" | xargs -0 -I{} sh -c 'ls $1 2>/dev/null' -- {} | sort -u)
|
|
|
|
initfs_extra_files_hashes="$(md5sum $initfs_extra_files)"
|
|
|
|
initfs_extra_hash="$(echo "$initfs_extra_files_hashes" | md5sum | awk '{ print $1 }')"
|
|
|
|
initfs_extra_cache="$mkinitfs_cache_dir/$(basename $1)_${initfs_extra_hash}"
|
|
|
|
|
|
|
|
if ! [ -e "$initfs_extra_cache" ]; then
|
|
|
|
# If a cached file is missing, clear the whole cache and create it
|
|
|
|
rm -f ${mkinitfs_cache_dir}/*
|
|
|
|
|
|
|
|
# Set up initramfs-extra in temp folder
|
|
|
|
tmpdir_extra=$(mktemp -d /tmp/mkinitfs.XXXXXX)
|
|
|
|
mkdir -p "$tmpdir_extra"
|
|
|
|
copy_files "$(get_binaries_extra)" "$tmpdir_extra"
|
|
|
|
copy_files "$osk_conf" "$tmpdir_extra"
|
|
|
|
create_cpio_image "$tmpdir_extra" "$initfs_extra_cache"
|
|
|
|
rm -rf "$tmpdir_extra"
|
|
|
|
fi
|
|
|
|
|
|
|
|
cp "$initfs_extra_cache" "$1"
|
|
|
|
}
|
|
|
|
|
2017-05-26 20:26:25 +00:00
|
|
|
# initialize
|
|
|
|
source_deviceinfo
|
2017-07-28 18:51:21 +00:00
|
|
|
parse_commandline "$1" "$2" "$3"
|
2017-05-26 20:26:25 +00:00
|
|
|
echo "==> initramfs: creating $outfile"
|
|
|
|
tmpdir=$(mktemp -d /tmp/mkinitfs.XXXXXX)
|
|
|
|
|
2017-09-18 19:17:30 +00:00
|
|
|
if [ "${deviceinfo_msm_refresher}" == "true" ] && ! [ -e /usr/sbin/msm-fb-refresher ]; then
|
|
|
|
echo "ERROR: Please add msm-fb-refresher as dependency to your device package,"
|
|
|
|
echo "or set msm_refresher to false in your deviceinfo!"
|
|
|
|
exit 1
|
|
|
|
fi
|
|
|
|
|
2017-05-26 20:26:25 +00:00
|
|
|
# set up initfs in temp folder
|
|
|
|
create_folders
|
2017-07-28 18:51:21 +00:00
|
|
|
copy_files "$(get_modules)" "$tmpdir"
|
|
|
|
copy_files "$(get_binaries)" "$tmpdir"
|
2017-09-20 18:36:22 +00:00
|
|
|
copy_files "/etc/deviceinfo" "$tmpdir"
|
2017-07-28 18:51:21 +00:00
|
|
|
copy_files "/etc/postmarketos-mkinitfs/hooks/*.sh" "$tmpdir"
|
2017-05-26 20:26:25 +00:00
|
|
|
create_device_nodes
|
|
|
|
ln -s "/bin/busybox" "$tmpdir/bin/sh"
|
|
|
|
install -Dm755 "/usr/share/postmarketos-mkinitfs/init.sh.in" \
|
|
|
|
"$tmpdir/init"
|
|
|
|
install -Dm755 "/usr/share/postmarketos-mkinitfs/init_functions.sh" \
|
|
|
|
"$tmpdir/init_functions.sh"
|
|
|
|
|
|
|
|
# finish up
|
2017-07-23 12:50:40 +00:00
|
|
|
generate_splash_screens
|
2017-05-26 20:26:25 +00:00
|
|
|
replace_init_variables
|
2017-07-28 18:51:21 +00:00
|
|
|
create_cpio_image "$tmpdir" "$outfile"
|
2017-07-25 20:08:35 +00:00
|
|
|
append_device_tree
|
|
|
|
create_uboot_files
|
2017-06-29 17:51:17 +00:00
|
|
|
create_bootimg
|
2017-06-09 23:41:01 +00:00
|
|
|
|
2017-05-26 20:26:25 +00:00
|
|
|
rm -rf "$tmpdir"
|
2017-07-28 18:51:21 +00:00
|
|
|
|
2017-10-22 21:00:39 +00:00
|
|
|
generate_initramfs_extra "$outfile_extra"
|
2017-07-28 18:51:21 +00:00
|
|
|
|
2017-05-26 20:26:25 +00:00
|
|
|
exit 0
|