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-rw-r--r--package/base-files/files/lib/upgrade/common.sh27
-rwxr-xr-xpackage/base-files/files/lib/upgrade/stage243
-rwxr-xr-xpackage/base-files/files/sbin/sysupgrade2
3 files changed, 33 insertions, 39 deletions
diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
index c8b71015c2..428ec735d6 100644
--- a/package/base-files/files/lib/upgrade/common.sh
+++ b/package/base-files/files/lib/upgrade/common.sh
@@ -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/$file"
+ [ ! -f "$dest" ] && {
+ dir="$(dirname "$dest")"
+ mkdir -p "$dir"
+ ln -s "$target" "$dest"
+ }
+ file="$target"
+ fi
dest="$RAM_ROOT/$file"
- [ -f $file -a ! -f $dest ] && {
- dir="$(dirname $dest)"
+ [ -f "$file" -a ! -f "$dest" ] && {
+ dir="$(dirname "$dest")"
mkdir -p "$dir"
- cp $file $dest
+ cp "$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 $dest
- }; done
}
run_hooks() {
diff --git a/package/base-files/files/lib/upgrade/stage2 b/package/base-files/files/lib/upgrade/stage2
index 9d12cc801c..5a439f1201 100755
--- a/package/base-files/files/lib/upgrade/stage2
+++ b/package/base-files/files/lib/upgrade/stage2
@@ -17,6 +17,9 @@ export VERBOSE=1
export CONFFILES=/tmp/sysupgrade.conffiles
export CONF_TAR=/tmp/sysupgrade.tgz
+RAMFS_COPY_BIN= # extra programs for temporary ramfs root
+RAMFS_COPY_DATA= # extra data files
+
[ -f "$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
diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
index 809e789f9f..359f21f51c 100755
--- a/package/base-files/files/sbin/sysupgrade
+++ b/package/base-files/files/sbin/sysupgrade
@@ -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