diff options
| -rwxr-xr-x | util/chromeos/crosfirmware.sh | 82 |
1 files changed, 38 insertions, 44 deletions
diff --git a/util/chromeos/crosfirmware.sh b/util/chromeos/crosfirmware.sh index 455e7b15ff..3d0f0612f8 100755 --- a/util/chromeos/crosfirmware.sh +++ b/util/chromeos/crosfirmware.sh @@ -28,93 +28,88 @@ exit_if_dependencies_are_missing() { exit_if_uninstalled "unzip" "unzip" } -get_inventory() -{ +get_inventory() { _conf=$1 _url=https://dl.google.com/dl/edgedl/chromeos/recovery/recovery.conf echo "Downloading recovery image inventory..." - curl -s "$_url" > $_conf + curl -s "$_url" >$_conf } -download_image() -{ +download_image() { _url=$1 _file=$2 echo "Downloading recovery image" - curl "$_url" > "$_file.zip" + curl "$_url" >"$_file.zip" echo "Decompressing recovery image" unzip -q "$_file.zip" rm "$_file.zip" } -extract_partition() -{ +extract_partition() { NAME=$1 FILE=$2 ROOTFS=$3 _bs=1024 echo "Extracting ROOT-A partition" - ROOTP=$( printf "unit\nB\nprint\nquit\n" | \ - parted $FILE 2>/dev/null | grep $NAME ) + ROOTP=$(printf "unit\nB\nprint\nquit\n" | + parted $FILE 2>/dev/null | grep $NAME) if [ "$ROOTP" == "" ]; then # Automatic extraction failed, likely due to parted detecting # overlapping partitions. Fall back to using fdisk and assume # ROOT-A is partition #3 echo "(Extracting via parted failed; falling back to fdisk)" - _ssize=$(printf "p q" | fdisk $FILE | grep "Sector size" | \ + _ssize=$(printf "p q" | fdisk $FILE | grep "Sector size" | cut -f2 -d: | cut -f2 -d ' ') - _start=$(printf "p q" | fdisk $FILE | grep "bin3" | tr -s ' ' | \ + _start=$(printf "p q" | fdisk $FILE | grep "bin3" | tr -s ' ' | cut -f2 -d ' ') - _nsec=$(printf "p q" | fdisk $FILE | grep "bin3" | tr -s ' ' | \ + _nsec=$(printf "p q" | fdisk $FILE | grep "bin3" | tr -s ' ' | cut -f4 -d ' ') START=$(($_ssize * $_start)) SIZE=$(($_ssize * $_nsec)) else - START=$(( $( echo $ROOTP | cut -f2 -d\ | tr -d "B" ) )) - SIZE=$(( $( echo $ROOTP | cut -f4 -d\ | tr -d "B" ) )) + START=$(($(echo $ROOTP | cut -f2 -d\ | tr -d "B"))) + SIZE=$(($(echo $ROOTP | cut -f4 -d\ | tr -d "B"))) fi - dd if=$FILE of=$ROOTFS bs=$_bs skip=$(( $START / $_bs )) \ - count=$(( $SIZE / $_bs )) > /dev/null 2>&1 + dd if=$FILE of=$ROOTFS bs=$_bs skip=$(($START / $_bs)) \ + count=$(($SIZE / $_bs)) >/dev/null 2>&1 } -extract_shellball() -{ +extract_shellball() { ROOTFS=$1 SHELLBALL=$2 echo "Extracting chromeos-firmwareupdate" - printf "cd /usr/sbin\ndump chromeos-firmwareupdate $SHELLBALL\nquit" | \ - debugfs $ROOTFS > /dev/null 2>&1 + printf "cd /usr/sbin\ndump chromeos-firmwareupdate $SHELLBALL\nquit" | + debugfs $ROOTFS >/dev/null 2>&1 } -extract_coreboot() -{ +extract_coreboot() { _shellball=$1 - _unpacked=$( mktemp -d ) + _unpacked=$(mktemp -d) echo "Extracting coreboot image" - if ! sh $_shellball --unpack $_unpacked > /dev/null 2>&1; then - sh $_shellball --sb_extract $_unpacked > /dev/null 2>&1 + if ! sh $_shellball --unpack $_unpacked >/dev/null 2>&1; then + sh $_shellball --sb_extract $_unpacked >/dev/null 2>&1 fi if [ -d $_unpacked/models/ ]; then - _version=$( cat $_unpacked/VERSION | grep -m 1 -e Model.*$_board -A5 \ - | grep "BIOS (RW) version:" | cut -f2 -d: | tr -d \ ) + _version=$(cat $_unpacked/VERSION | grep -m 1 -e Model.*$_board -A5 | + grep "BIOS (RW) version:" | cut -f2 -d: | tr -d \ ) if [ "$_version" == "" ]; then - _version=$( cat $_unpacked/VERSION | grep -m 1 -e Model.*$_board -A5 \ - | grep "BIOS version:" | cut -f2 -d: | tr -d \ ) + _version=$(cat $_unpacked/VERSION | grep -m 1 -e Model.*$_board -A5 | + grep "BIOS version:" | cut -f2 -d: | tr -d \ ) fi - _bios_image=$(grep "IMAGE_MAIN" $_unpacked/models/$_board/setvars.sh \ - | cut -f2 -d\") + _bios_image=$(grep "IMAGE_MAIN" $_unpacked/models/$_board/setvars.sh | + cut -f2 -d\") else - _version=$( cat $_unpacked/VERSION | grep BIOS\ version: | \ - cut -f2 -d: | tr -d \ ) + _version=$(cat $_unpacked/VERSION | grep BIOS\ version: | + cut -f2 -d: | tr -d \ ) _bios_image=bios.bin fi if cp $_unpacked/$_bios_image coreboot-$_version.bin; then @@ -124,8 +119,7 @@ extract_coreboot() rm $_shellball } -do_one_board() -{ +do_one_board() { _board=$1 _url=$2 _file=$3 @@ -148,25 +142,25 @@ BOARD=$1 exit_if_dependencies_are_missing if [ "$BOARD" == "all" ]; then - CONF=$( mktemp ) + CONF=$(mktemp) get_inventory $CONF - grep ^name= $CONF| while read _line; do - name=$( echo $_line | cut -f2 -d= ) + grep ^name= $CONF | while read _line; do + name=$(echo $_line | cut -f2 -d=) echo Processing board $name - eval $( grep -v hwid= $CONF | grep -A11 "$_line" | \ - grep '\(url=\|file=\)' ) - BOARD=$( echo $url | cut -f3 -d_ ) + eval $(grep -v hwid= $CONF | grep -A11 "$_line" | + grep '\(url=\|file=\)') + BOARD=$(echo $url | cut -f3 -d_) do_one_board $BOARD $url $file done rm "$CONF" elif [ "$BOARD" != "" ]; then - CONF=$( mktemp ) + CONF=$(mktemp) get_inventory $CONF echo Processing board $BOARD - eval $( grep -i $BOARD -A8 $CONF | grep '\(url=\|file=\)' ) + eval $(grep -i $BOARD -A8 $CONF | grep '\(url=\|file=\)') do_one_board $BOARD $url $file rm "$CONF" |