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Implement cache for initramfs-extra (#796)

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Partially implements:
<https://github.com/postmarketOS/pmbootstrap/issues/411>
This commit is contained in:
drebrez 2017-10-22 23:00:39 +02:00 committed by Oliver Smith
parent 9b4807d874
commit 95b694bda3
2 changed files with 55 additions and 34 deletions
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4
main/postmarketos-mkinitfs/APKBUILD
View file

@ -1,5 +1,5 @@
pkgname=postmarketos-mkinitfs
pkgver=0.5.1
pkgver=0.5.2
pkgrel=0
pkgdesc="Tool to generate initramfs images for postmarketOS"
url="https://github.com/postmarketOS"
@ -23,4 +23,4 @@ package() {
}
sha512sums="e1849a13ee696e76dc6c734eda984bcc6a6e2e3d8a62a4df0778a8e338dc0bf9d967fa263ae6e57c14a0cb516c6004c6e251262a1711ad47f1ce4c622727a1d7 init.sh.in
d6eb7c1cd5ddf110996db1523db68a9cf13b980f25dc60a7bfc79d7c911558f46487708299bd84499ef04f61e129ab0b8186e4b1761c1479c6fec0f92232e001 init_functions.sh
3948f1f49a6d9b9817dbc4ac14f2609b10e9bd6f819b6556477d400bae0226dc64cb2702ca7afd75c10aa8917fe82622b39cbf5df94412df9bcd97d84687e245 mkinitfs.sh"
1048ebb20e2534c9ac3c259443b89323e09f87a68eab9f1c8b8c42130bf9fe2ea99cdca32be0595c65e827007c4171be047441156dd03e1d81c0554f947828f8 mkinitfs.sh"

85
main/postmarketos-mkinitfs/mkinitfs.sh
View file

@ -84,9 +84,22 @@ get_modules()
}
# Get the paths to all binaries and their dependencies
BINARIES="/bin/busybox /bin/busybox-extras /usr/sbin/telnetd /sbin/kpartx"
BINARIES_EXTRA="
/sbin/cryptsetup
/sbin/dmsetup
/usr/sbin/parted
/sbin/e2fsck
/usr/sbin/resize2fs
/usr/bin/osk-sdl
/usr/lib/libGL.so.1
/usr/lib/ts/*
/usr/lib/libts*
$(find /usr/lib/directfb-* -name '*.so')
/lib/libz.so.1
"
get_binaries()
{
BINARIES="/bin/busybox /bin/busybox-extras /usr/sbin/telnetd /sbin/kpartx"
if [ "${deviceinfo_msm_refresher}" == "true" ]; then
BINARIES="${BINARIES} /usr/sbin/msm-fb-refresher"
fi
@ -113,19 +126,6 @@ get_osk_config()
get_binaries_extra()
{
BINARIES_EXTRA="
/sbin/cryptsetup
/sbin/dmsetup
/usr/sbin/parted
/sbin/e2fsck
/usr/sbin/resize2fs
/usr/bin/osk-sdl
/usr/lib/libGL.so.1
/usr/lib/ts/*
/usr/lib/libts*
$(find /usr/lib/directfb-* -name '*.so')
/lib/libz.so.1
"
tmp1=$(mktemp /tmp/mkinitfs.XXXXXX)
get_binaries > "$tmp1"
tmp2=$(mktemp /tmp/mkinitfs.XXXXXX)
@ -287,6 +287,44 @@ append_device_tree()
cat $kernel $dtb > "${kernel}-dtb"
}
# Create the initramfs-extra archive
# $1: outfile
generate_initramfs_extra()
{
echo "==> initramfs: creating $1"
osk_conf="$(get_osk_config)"
if [ $? -eq 1 ]; then
echo "ERROR: Font specified in /etc/osk.conf does not exist!"
exit 1
fi
# Ensure cache folder exists
mkinitfs_cache_dir="/var/cache/postmarketos-mkinitfs"
mkdir -p "$mkinitfs_cache_dir"
# Generate cache output filename (initfs_extra_cache) by hashing all input files
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"
}
# initialize
source_deviceinfo
parse_commandline "$1" "$2" "$3"
@ -322,23 +360,6 @@ create_bootimg
rm -rf "$tmpdir"
# initialize initramfs-extra
echo "==> initramfs: creating $outfile_extra"
tmpdir_extra=$(mktemp -d /tmp/mkinitfs.XXXXXX)
# set up initfs-extra in temp folder
mkdir -p "$tmpdir_extra"
copy_files "$(get_binaries_extra)" "$tmpdir_extra"
osk_conf="$(get_osk_config)"
if [ $? -eq 1 ]; then
echo "ERROR: Font specified in /etc/osk.conf does not exist!"
exit 1
fi
copy_files "$osk_conf" "$tmpdir_extra"
# finish up
create_cpio_image "$tmpdir_extra" "$outfile_extra"
rm -rf "$tmpdir_extra"
generate_initramfs_extra "$outfile_extra"
exit 0