71 lines
1.6 KiB
Bash
71 lines
1.6 KiB
Bash
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#!/usr/bin/env bash
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unpack_image() {
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set -o errexit -o nounset -o pipefail
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ZIP_FILE=$1
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IMG_FILE=$2
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echo "$ZIP_FILE/$IMG_FILE"
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unzip $ZIP_FILE $IMG_FILE > /dev/null
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NAME=$(basename $IMG_FILE ".img")
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MNT="${NAME}_mnt"
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mkdir $MNT
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mount --read-only $IMG_FILE $MNT
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cp -a $MNT $NAME
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umount $MNT
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rm --dir $MNT
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rm $IMG_FILE
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}
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export -f unpack_image
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unpack_factory_zip() {
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set -o errexit -o nounset -o pipefail
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cd "$(dirname "$(realpath $1)")"
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OUTER_ZIP_FILE="$(basename $1)"
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IMAGE_ZIP_PATH=$(zipinfo -l -1 $OUTER_ZIP_FILE "*/image-*")
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IMAGE_ZIP_DIR_NAME=$(dirname $IMAGE_ZIP_PATH)
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IMAGE_ZIP_FILE_NAME=$(basename $IMAGE_ZIP_PATH)
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echo "$IMAGE_ZIP_PATH"
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OUT_DIR="unpacked"
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[[ -d $OUT_DIR ]] || {
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mkdir $OUT_DIR
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chown $SUDO_UID:$SUDO_GID $OUT_DIR
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}
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unzip -d $OUT_DIR $OUTER_ZIP_FILE $IMAGE_ZIP_PATH > /dev/null
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cd "$OUT_DIR/$IMAGE_ZIP_DIR_NAME"
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zipinfo -l -1 $IMAGE_ZIP_FILE_NAME | grep -E '^(system|system_ext|product|vendor|odm).img$|dlkm.img$' | \
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parallel -u unpack_image $IMAGE_ZIP_FILE_NAME
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rm $IMAGE_ZIP_FILE_NAME
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chmod -R u+w .
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chown -R $SUDO_UID:$SUDO_GID .
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}
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export -f unpack_factory_zip
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[[ -f $1 && $1 =~ .zip$ ]] || {
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echo "This script extracts and unpacks file system images from factory zip files."
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echo "Specify one or more factory zip file paths."
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exit 1
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}
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[[ $UID -eq 0 && -n $SUDO_UID && -n $SUDO_GID ]] || {
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echo "This script needs to be started through sudo to mount file system images and correctly set ownership of unpacked files."
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exit 1
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}
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parallel -u unpack_factory_zip ::: "$@"
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