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base-files: automatically handle paths and symlinks for RAMFS_COPY_BIN

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Depending on busybox applet selection, paths of basic utiilties may differ,
and may not work as symlinks to busybox. Simply using whatever binary is
found in PATH and detecting symlinks automatically is more robust and
easier to maintain.

The list of binaries is also slightly cleaned up and duplicates are
removed.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
This commit is contained in:
Matthias Schiffer 2017-07-10 18:37:25 +02:00
parent f464da623d
commit 438dcbfe74
No known key found for this signature in database
GPG key ID: 16EF3F64CB201D9C
10 changed files with 40 additions and 46 deletions
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27
package/base-files/files/lib/upgrade/common.sh
View file

@ -6,28 +6,33 @@ RAM_ROOT=/tmp/root
libs() { ldd $* 2>/dev/null | sed -r 's/(.* => )?(.*) .*/\2/'; }
install_file() { # <file> [ <file> ... ]
local target dest dir
for file in "$@"; do
if [ -L "$file" ]; then
target="$(readlink -f "$file")"
dest="$RAM_ROOT/$file"
[ -f $file -a ! -f $dest ] && {
dir="$(dirname $dest)"
[ ! -f "$dest" ] && {
dir="$(dirname "$dest")"
mkdir -p "$dir"
cp $file $dest
ln -s "$target" "$dest"
}
file="$target"
fi
dest="$RAM_ROOT/$file"
[ -f "$file" -a ! -f "$dest" ] && {
dir="$(dirname "$dest")"
mkdir -p "$dir"
cp "$file" "$dest"
}
done
}
install_bin() { # <file> [ <symlink> ... ]
install_bin() {
local src files
src=$1
files=$1
[ -x "$src" ] && files="$src $(libs $src)"
install_file $files
shift
for link in "$@"; do {
dest="$RAM_ROOT/$link"
dir="$(dirname $dest)"
mkdir -p "$dir"
[ -f "$dest" ] || ln -s $src $dest
}; done
}
run_hooks() {

43
package/base-files/files/lib/upgrade/stage2
View file

@ -17,6 +17,9 @@ export VERBOSE=1
export CONFFILES=/tmp/sysupgrade.conffiles
export CONF_TAR=/tmp/sysupgrade.tgz
RAMFS_COPY_BIN= # extra programs for temporary ramfs root
RAMFS_COPY_DATA= # extra data files
[ -f "$CONF_TAR" ] || export SAVE_CONFIG=0
[ -f /tmp/sysupgrade.always.overwrite.bootdisk.partmap ] && export SAVE_PARTITIONS=0
@ -41,32 +44,20 @@ supivot() { # <new_root> <old_root>
}
switch_to_ramfs() {
install_bin /bin/busybox /bin/ash /bin/sh /bin/mount /bin/umount \
/sbin/pivot_root /sbin/reboot /bin/sync /bin/dd /bin/grep \
/bin/cp /bin/mv /bin/tar /usr/bin/md5sum "/usr/bin/[" /bin/dd \
/bin/vi /bin/ls /bin/cat /usr/bin/awk /usr/bin/hexdump \
/bin/sleep /bin/zcat /usr/bin/bzcat /usr/bin/printf /usr/bin/wc \
/bin/cut /usr/bin/printf /bin/sync /bin/mkdir /bin/rmdir \
/bin/rm /usr/bin/basename /bin/kill /bin/chmod /usr/bin/find \
/bin/mknod /bin/touch /bin/sed
install_bin /sbin/mtd
install_bin /sbin/mount_root
install_bin /sbin/snapshot
install_bin /sbin/snapshot_tool
install_bin /usr/sbin/ubiupdatevol
install_bin /usr/sbin/ubiattach
install_bin /usr/sbin/ubiblock
install_bin /usr/sbin/ubiformat
install_bin /usr/sbin/ubidetach
install_bin /usr/sbin/ubirsvol
install_bin /usr/sbin/ubirmvol
install_bin /usr/sbin/ubimkvol
install_bin /usr/sbin/partx
install_bin /usr/sbin/losetup
install_bin /usr/sbin/mkfs.ext4
for file in $RAMFS_COPY_BIN; do
install_bin ${file//:/ }
for binary in \
/bin/busybox /bin/ash /bin/sh /bin/mount /bin/umount \
pivot_root mount_root reboot sync kill sleep \
md5sum hexdump cat zcat bzcat dd tar \
ls basename find cp mv rm mkdir rmdir mknod touch chmod \
'[' printf wc grep awk sed cut \
mtd partx losetup mkfs.ext4 \
ubiupdatevol ubiattach ubiblock ubiformat \
ubidetach ubirsvol ubirmvol ubimkvol \
snapshot snapshot_tool \
$RAMFS_COPY_BIN
do
local file="$(which "$binary" 2>/dev/null)"
[ -n "$file" ] && install_bin "$file"
done
install_file /etc/resolv.conf /lib/*.sh /lib/functions/*.sh /lib/upgrade/*.sh $RAMFS_COPY_DATA

2
package/base-files/files/sbin/sysupgrade
View file

@ -4,8 +4,6 @@
. /lib/functions/system.sh
# initialize defaults
RAMFS_COPY_BIN="" # extra programs for temporary ramfs root
RAMFS_COPY_DATA="" # extra data files
export MTD_CONFIG_ARGS=""
export INTERACTIVE=0
export VERBOSE=1

2
target/linux/ar71xx/base-files/lib/upgrade/platform.sh
View file

@ -7,7 +7,7 @@
PART_NAME=firmware
RAMFS_COPY_DATA=/lib/ar71xx.sh
[ -x /usr/sbin/nandwrite ] && RAMFS_COPY_BIN=/usr/sbin/nandwrite
RAMFS_COPY_BIN='nandwrite'
CI_BLKSZ=65536
CI_LDADR=0x80060000

2
target/linux/bcm53xx/base-files/lib/upgrade/platform.sh
View file

@ -1,4 +1,4 @@
RAMFS_COPY_BIN='/usr/bin/osafeloader /usr/bin/oseama'
RAMFS_COPY_BIN='osafeloader oseama'
PART_NAME=firmware

2
target/linux/ipq806x/base-files/lib/upgrade/platform.sh
View file

@ -3,7 +3,7 @@
PART_NAME=firmware
REQUIRE_IMAGE_METADATA=1
RAMFS_COPY_BIN='/usr/sbin/fw_printenv /usr/sbin/fw_setenv'
RAMFS_COPY_BIN='fw_printenv fw_setenv'
RAMFS_COPY_DATA='/etc/fw_env.config /var/lock/fw_printenv.lock'
platform_check_image() {

2
target/linux/kirkwood/base-files/lib/upgrade/platform.sh
View file

@ -1,6 +1,6 @@
. /lib/kirkwood.sh
RAMFS_COPY_BIN='/usr/sbin/fw_printenv /usr/sbin/fw_setenv'
RAMFS_COPY_BIN='fw_printenv fw_setenv'
RAMFS_COPY_DATA='/etc/fw_env.config /var/lock/fw_printenv.lock'
platform_check_image() {

2
target/linux/mvebu/base-files/lib/upgrade/platform.sh
View file

@ -5,7 +5,7 @@
. /lib/mvebu.sh
RAMFS_COPY_BIN='/usr/sbin/fw_printenv /usr/sbin/fw_setenv'
RAMFS_COPY_BIN='fw_printenv fw_setenv'
RAMFS_COPY_DATA='/lib/mvebu.sh /etc/fw_env.config /var/lock/fw_printenv.lock'
REQUIRE_IMAGE_METADATA=1

2
target/linux/pistachio/base-files/lib/upgrade/platform.sh
View file

@ -6,7 +6,7 @@
# See /LICENSE for more information.
#
RAMFS_COPY_BIN="/usr/sbin/fw_printenv /usr/sbin/fw_setenv /bin/mkdir /bin/dmesg /bin/sed /bin/grep"
RAMFS_COPY_BIN='fw_printenv fw_setenv dmesg'
RAMFS_COPY_DATA="/etc/fw_env.config"
REQUIRE_IMAGE_METADATA=0

2
target/linux/rb532/base-files/lib/upgrade/platform.sh
View file

@ -1,5 +1,5 @@
REQUIRE_IMAGE_METADATA=1
RAMFS_COPY_BIN=/usr/sbin/nandwrite
RAMFS_COPY_BIN='nandwrite'
CI_KERNPART=none
platform_check_image() {