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Add extract feature to update-binary

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This commit is contained in:
topjohnwu 2018-05-13 14:26:28 +08:00
parent c3c78428c4
commit 9b445d89a1
1 changed files with 34 additions and 25 deletions
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59
scripts/update_binary.sh
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@ -1,31 +1,40 @@
# EX_ARM, EX_X86, BB_ARM, and BB_X86 should be generated in build.py
dirname_wrap() {
getdir() {
case "$1" in
*/*) dir=${1%/*}; [ -z $dir ] && echo "/" || echo $dir ;;
*) echo "." ;;
esac
}
[ "$1" = "indep" ] && INDEP=true || INDEP=false
$INDEP && TMPDIR="`dirname_wrap "${BASH_SOURCE:-$0}"`" || TMPDIR=/dev/tmp
INSTALLER=$TMPDIR/install; BBDIR=$TMPDIR/bin
EXBIN=$BBDIR/b64xz; BBBIN=$BBDIR/busybox
$INDEP || rm -rf $TMPDIR 2>/dev/null;
mkdir -p $BBDIR 2>/dev/null
touch $EXBIN; touch $BBBIN; chmod 755 $EXBIN $BBBIN
echo -ne $EX_ARM > $EXBIN
if $EXBIN --test 2>/dev/null; then
echo $BB_ARM | $EXBIN > $BBBIN
else
echo -ne $EX_X86 > $EXBIN
echo $BB_X86 | $EXBIN > $BBBIN
fi
$BBBIN --install -s $TMPDIR/bin
export PATH=$BBDIR:$PATH
if $INDEP; then
shift
exec sh "$@"
else
mkdir -p $INSTALLER
unzip -o "$3" -d $INSTALLER
exec sh $INSTALLER/META-INF/com/google/android/updater-script $@
fi
extract_bb() {
EXBIN=$BBDIR/b64xz; BBBIN=$BBDIR/busybox
touch $EXBIN; touch $BBBIN; chmod 755 $EXBIN $BBBIN
echo -ne $EX_ARM > $EXBIN
if $EXBIN --test 2>/dev/null; then
echo $BB_ARM | $EXBIN > $BBBIN
else
echo -ne $EX_X86 > $EXBIN
echo $BB_X86 | $EXBIN > $BBBIN
fi
rm $EXBIN
}
setup_bb() {
BBDIR=$TMPDIR/bin; mkdir -p $BBDIR 2>/dev/null
extract_bb
$BBBIN --install -s $BBDIR
export PATH=$BBDIR:$PATH
}
case "$1" in
"extract")
[ -z "$2" ] && BBDIR=. || BBDIR="$2"
extract_bb
;;
"indep")
TMPDIR="`getdir "${BASH_SOURCE:-$0}"`"; setup_bb
shift; exec sh "$@"
;;
*)
TMPDIR=/dev/tmp; rm -rf $TMPDIR 2>/dev/null; setup_bb
INSTALLER=$TMPDIR/install; mkdir -p $INSTALLER; unzip -o "$3" -d $INSTALLER
exec sh $INSTALLER/META-INF/com/google/android/updater-script $@
;;
esac